00:10:01.893 [AMQP Connection 8.153.111.6:5672] ERROR c.r.c.i.ForgivingExceptionHandler - [log,119] - An unexpected connection driver error occured java.net.SocketException: Operation timed out at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:330) at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355) at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808) at java.base/java.net.Socket$SocketInputStream.read(Socket.java:966) at java.base/java.io.BufferedInputStream.fill(BufferedInputStream.java:244) at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:263) at java.base/java.io.DataInputStream.readUnsignedByte(DataInputStream.java:294) at com.rabbitmq.client.impl.Frame.readFrom(Frame.java:91) at com.rabbitmq.client.impl.SocketFrameHandler.readFrame(SocketFrameHandler.java:184) at com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:665) at java.base/java.lang.Thread.run(Thread.java:842) 08:43:28.628 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com: nodename nor servname provided, or not known at java.base/java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method) at java.base/java.net.InetAddress$PlatformNameService.lookupAllHostAddr(InetAddress.java:933) at java.base/java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1543) at java.base/java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:852) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:28.630 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:29.136 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:29.648 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:30.161 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:30.671 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:31.175 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:31.682 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:32.192 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:32.704 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:33.216 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:33.729 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:34.238 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:34.749 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:35.253 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:35.761 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:36.271 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:36.778 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:37.284 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:37.795 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:38.306 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:38.813 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com: nodename nor servname provided, or not known at java.base/java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method) at java.base/java.net.InetAddress$PlatformNameService.lookupAllHostAddr(InetAddress.java:933) at java.base/java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1543) at java.base/java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:852) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:39.318 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:39.828 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:40.337 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:40.849 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:41.353 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:41.861 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:42.373 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:42.881 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:43.393 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:43.901 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:44.414 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:44.923 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:45.435 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:45.943 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:46.452 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:46.965 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:47.469 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:47.978 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:48.483 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:48.994 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com: nodename nor servname provided, or not known at java.base/java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method) at java.base/java.net.InetAddress$PlatformNameService.lookupAllHostAddr(InetAddress.java:933) at java.base/java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1543) at java.base/java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:852) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:49.501 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:50.013 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:50.522 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:51.026 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:51.539 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:43:52.050 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:59:56.860 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:59:57.387 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:59:57.897 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:59:58.409 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:59:58.912 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:59:59.421 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 08:59:59.926 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:00:00.439 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:00:00.948 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:00:01.461 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:00:01.966 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:16:08.234 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:16:08.745 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:16:09.252 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com: nodename nor servname provided, or not known at java.base/java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method) at java.base/java.net.InetAddress$PlatformNameService.lookupAllHostAddr(InetAddress.java:933) at java.base/java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1543) at java.base/java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:852) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:16:09.759 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:16:10.272 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:16:10.785 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:16:11.291 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:16:11.796 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:16:12.302 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:16:12.811 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:30.539 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:31.041 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:31.549 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:32.060 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:32.571 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:33.080 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:33.591 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:34.095 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:34.604 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:35.116 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:35.626 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:36.138 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:36.643 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com: nodename nor servname provided, or not known at java.base/java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method) at java.base/java.net.InetAddress$PlatformNameService.lookupAllHostAddr(InetAddress.java:933) at java.base/java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1543) at java.base/java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:852) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:37.155 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:37.666 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:38.173 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:38.685 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:39.197 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:39.707 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:40.216 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:40.726 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:41.229 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:41.738 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:42.245 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:42.752 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:43.255 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:43.759 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:44.267 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:44.772 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:45.282 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:45.790 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted 09:18:46.293 [Druid-ConnectionPool-Create-585235939] ERROR c.a.d.p.DruidDataSource - [run,2879] - create connection SQLException, url: jdbc:mysql://rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com:3306/test_lajiao?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:453) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:118) at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:232) at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:112) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1702) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1792) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2877) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at jdk.internal.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) at com.mysql.cj.NativeSession.connect(NativeSession.java:144) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823) ... 9 common frames omitted Caused by: java.net.UnknownHostException: rm-bp1xm9g05f6q1v4l00o.mysql.rds.aliyuncs.com at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:132) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ... 12 common frames omitted