2025-04-25 10:52:13.980 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:14.022 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:14.532 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:15.039 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:15.543 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:16.058 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:16.573 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:17.077 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:17.579 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:18.095 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:18.598 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:19.101 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:19.610 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:20.116 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:20.625 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:21.135 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:21.641 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:22.147 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:22.654 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:23.158 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:23.663 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:24.171 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:24.678 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:25.183 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:25.692 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 10:52:26.194 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 13:28:33.092 [JobExecutor[org.camunda.bpm.engine.spring.components.jobexecutor.SpringJobExecutor]] ERROR com.alibaba.druid.pool.DruidDataSource - discard connection com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,968 milliseconds ago. The last packet sent successfully to the server was 78,970 milliseconds ago. 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.setAutoCommit(ConnectionImpl.java:2022) at com.alibaba.druid.pool.DruidPooledConnection.setAutoCommit(DruidPooledConnection.java:713) at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:287) at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:400) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373) at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:137) at org.camunda.bpm.engine.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:71) at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) at org.camunda.bpm.engine.impl.interceptor.CommandCounterInterceptor.execute(CommandCounterInterceptor.java:35) at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) at org.camunda.bpm.engine.impl.interceptor.ExceptionCodeInterceptor.execute(ExceptionCodeInterceptor.java:55) at org.camunda.bpm.engine.impl.jobexecutor.SequentialJobAcquisitionRunnable.acquireJobs(SequentialJobAcquisitionRunnable.java:164) at org.camunda.bpm.engine.impl.jobexecutor.SequentialJobAcquisitionRunnable.run(SequentialJobAcquisitionRunnable.java:80) at java.lang.Thread.run(Thread.java:748) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet successfully received from the server was 78,968 milliseconds ago. The last packet sent successfully to the server was 78,970 milliseconds ago. at sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582) at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762) at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701) at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050) at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997) at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658) at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2005) ... 13 common frames omitted Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) at java.net.SocketInputStream.read(SocketInputStream.java:171) at java.net.SocketInputStream.read(SocketInputStream.java:141) at sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:466) at sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:460) at sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:69) at sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1147) at sun.security.ssl.SSLSocketImpl.access$300(SSLSocketImpl.java:74) at sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:834) at java.io.FilterInputStream.read(FilterInputStream.java:133) at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64) at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81) at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63) at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45) at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52) at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41) at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54) at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44) at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576) ... 19 common frames omitted 2025-04-25 13:28:33.116 [JobExecutor[org.camunda.bpm.engine.spring.components.jobexecutor.SpringJobExecutor]] ERROR org.camunda.bpm.engine.jobexecutor - ENGINE-14019 Exception during job acquisition Could not open JDBC Connection for transaction; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,968 milliseconds ago. The last packet sent successfully to the server was 78,970 milliseconds ago. org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,968 milliseconds ago. The last packet sent successfully to the server was 78,970 milliseconds ago. at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:309) at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:400) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373) at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:137) at org.camunda.bpm.engine.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:71) at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) at org.camunda.bpm.engine.impl.interceptor.CommandCounterInterceptor.execute(CommandCounterInterceptor.java:35) at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) at org.camunda.bpm.engine.impl.interceptor.ExceptionCodeInterceptor.execute(ExceptionCodeInterceptor.java:55) at org.camunda.bpm.engine.impl.jobexecutor.SequentialJobAcquisitionRunnable.acquireJobs(SequentialJobAcquisitionRunnable.java:164) at org.camunda.bpm.engine.impl.jobexecutor.SequentialJobAcquisitionRunnable.run(SequentialJobAcquisitionRunnable.java:80) at java.lang.Thread.run(Thread.java:748) Caused by: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,968 milliseconds ago. The last packet sent successfully to the server was 78,970 milliseconds ago. 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.setAutoCommit(ConnectionImpl.java:2022) at com.alibaba.druid.pool.DruidPooledConnection.setAutoCommit(DruidPooledConnection.java:713) at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:287) ... 11 common frames omitted Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet successfully received from the server was 78,968 milliseconds ago. The last packet sent successfully to the server was 78,970 milliseconds ago. at sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582) at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762) at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701) at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050) at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997) at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658) at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2005) ... 13 common frames omitted Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) at java.net.SocketInputStream.read(SocketInputStream.java:171) at java.net.SocketInputStream.read(SocketInputStream.java:141) at sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:466) at sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:460) at sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:69) at sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1147) at sun.security.ssl.SSLSocketImpl.access$300(SSLSocketImpl.java:74) at sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:834) at java.io.FilterInputStream.read(FilterInputStream.java:133) at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64) at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81) at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63) at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45) at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52) at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41) at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54) at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44) at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576) ... 19 common frames omitted 2025-04-25 13:29:33.048 [JobExecutor[org.camunda.bpm.engine.spring.components.jobexecutor.SpringJobExecutor]] ERROR com.alibaba.druid.pool.DruidDataSource - discard connection com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet successfully received from the server was 44,452 milliseconds ago. The last packet sent successfully to the server was 44,453 milliseconds ago. 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.setAutoCommit(ConnectionImpl.java:2022) at com.alibaba.druid.pool.DruidPooledConnection.setAutoCommit(DruidPooledConnection.java:713) at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:287) at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:400) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373) at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:137) at org.camunda.bpm.engine.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:71) at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) at org.camunda.bpm.engine.impl.interceptor.CommandCounterInterceptor.execute(CommandCounterInterceptor.java:35) at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) at org.camunda.bpm.engine.impl.interceptor.ExceptionCodeInterceptor.execute(ExceptionCodeInterceptor.java:55) at org.camunda.bpm.engine.impl.jobexecutor.SequentialJobAcquisitionRunnable.acquireJobs(SequentialJobAcquisitionRunnable.java:164) at org.camunda.bpm.engine.impl.jobexecutor.SequentialJobAcquisitionRunnable.run(SequentialJobAcquisitionRunnable.java:80) at java.lang.Thread.run(Thread.java:748) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet successfully received from the server was 44,452 milliseconds ago. The last packet sent successfully to the server was 44,453 milliseconds ago. at sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582) at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762) at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701) at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050) at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997) at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658) at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2005) ... 13 common frames omitted Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) at java.net.SocketInputStream.read(SocketInputStream.java:171) at java.net.SocketInputStream.read(SocketInputStream.java:141) at sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:466) at sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:460) at sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:69) at sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1147) at sun.security.ssl.SSLSocketImpl.access$300(SSLSocketImpl.java:74) at sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:834) at java.io.FilterInputStream.read(FilterInputStream.java:133) at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64) at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81) at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63) at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45) at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52) at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41) at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54) at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44) at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576) ... 19 common frames omitted 2025-04-25 13:29:33.048 [JobExecutor[org.camunda.bpm.engine.spring.components.jobexecutor.SpringJobExecutor]] ERROR org.camunda.bpm.engine.jobexecutor - ENGINE-14019 Exception during job acquisition Could not open JDBC Connection for transaction; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet successfully received from the server was 44,452 milliseconds ago. The last packet sent successfully to the server was 44,453 milliseconds ago. org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet successfully received from the server was 44,452 milliseconds ago. The last packet sent successfully to the server was 44,453 milliseconds ago. at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:309) at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:400) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373) at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:137) at org.camunda.bpm.engine.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:71) at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) at org.camunda.bpm.engine.impl.interceptor.CommandCounterInterceptor.execute(CommandCounterInterceptor.java:35) at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) at org.camunda.bpm.engine.impl.interceptor.ExceptionCodeInterceptor.execute(ExceptionCodeInterceptor.java:55) at org.camunda.bpm.engine.impl.jobexecutor.SequentialJobAcquisitionRunnable.acquireJobs(SequentialJobAcquisitionRunnable.java:164) at org.camunda.bpm.engine.impl.jobexecutor.SequentialJobAcquisitionRunnable.run(SequentialJobAcquisitionRunnable.java:80) at java.lang.Thread.run(Thread.java:748) Caused by: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet successfully received from the server was 44,452 milliseconds ago. The last packet sent successfully to the server was 44,453 milliseconds ago. 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.setAutoCommit(ConnectionImpl.java:2022) at com.alibaba.druid.pool.DruidPooledConnection.setAutoCommit(DruidPooledConnection.java:713) at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:287) ... 11 common frames omitted Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet successfully received from the server was 44,452 milliseconds ago. The last packet sent successfully to the server was 44,453 milliseconds ago. at sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582) at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762) at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701) at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050) at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997) at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658) at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2005) ... 13 common frames omitted Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) at java.net.SocketInputStream.read(SocketInputStream.java:171) at java.net.SocketInputStream.read(SocketInputStream.java:141) at sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:466) at sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:460) at sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:69) at sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1147) at sun.security.ssl.SSLSocketImpl.access$300(SSLSocketImpl.java:74) at sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:834) at java.io.FilterInputStream.read(FilterInputStream.java:133) at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64) at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81) at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63) at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45) at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52) at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41) at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54) at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44) at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576) ... 19 common frames omitted 2025-04-25 15:34:16.137 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 15:34:17.145 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 15:34:17.651 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 15:34:18.160 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 15:34:18.665 [Druid-ConnectionPool-Create-770272954] ERROR com.alibaba.druid.pool.DruidDataSource - create connection SQLException, url: jdbc:mysql://22.40.215.149:3306/sdhxgk_datax_dev?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:815) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1644) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1710) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2779) 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 sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805) ... 6 common frames omitted Caused by: java.net.NoRouteToHostException: No route to host: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:75) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:162) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) at java.net.Socket.connect(Socket.java:606) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 9 common frames omitted 2025-04-25 15:53:34.248 [JobExecutor[org.camunda.bpm.engine.spring.components.jobexecutor.SpringJobExecutor]] ERROR com.alibaba.druid.pool.DruidDataSource - discard connection com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet successfully received from the server was 76,824 milliseconds ago. The last packet sent successfully to the server was 76,825 milliseconds ago. 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.setAutoCommit(ConnectionImpl.java:2022) at com.alibaba.druid.pool.DruidPooledConnection.setAutoCommit(DruidPooledConnection.java:713) at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:287) at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:400) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373) at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:137) at org.camunda.bpm.engine.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:71) at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) at org.camunda.bpm.engine.impl.interceptor.CommandCounterInterceptor.execute(CommandCounterInterceptor.java:35) at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) at org.camunda.bpm.engine.impl.interceptor.ExceptionCodeInterceptor.execute(ExceptionCodeInterceptor.java:55) at org.camunda.bpm.engine.impl.jobexecutor.SequentialJobAcquisitionRunnable.acquireJobs(SequentialJobAcquisitionRunnable.java:164) at org.camunda.bpm.engine.impl.jobexecutor.SequentialJobAcquisitionRunnable.run(SequentialJobAcquisitionRunnable.java:80) at java.lang.Thread.run(Thread.java:748) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet successfully received from the server was 76,824 milliseconds ago. The last packet sent successfully to the server was 76,825 milliseconds ago. at sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582) at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762) at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701) at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050) at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997) at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658) at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2005) ... 13 common frames omitted Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) at java.net.SocketInputStream.read(SocketInputStream.java:171) at java.net.SocketInputStream.read(SocketInputStream.java:141) at sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:466) at sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:460) at sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:69) at sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1147) at sun.security.ssl.SSLSocketImpl.access$300(SSLSocketImpl.java:74) at sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:834) at java.io.FilterInputStream.read(FilterInputStream.java:133) at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64) at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81) at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63) at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45) at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52) at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41) at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54) at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44) at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576) ... 19 common frames omitted 2025-04-25 15:53:34.249 [JobExecutor[org.camunda.bpm.engine.spring.components.jobexecutor.SpringJobExecutor]] ERROR org.camunda.bpm.engine.jobexecutor - ENGINE-14019 Exception during job acquisition Could not open JDBC Connection for transaction; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet successfully received from the server was 76,824 milliseconds ago. The last packet sent successfully to the server was 76,825 milliseconds ago. org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet successfully received from the server was 76,824 milliseconds ago. The last packet sent successfully to the server was 76,825 milliseconds ago. at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:309) at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:400) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373) at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:137) at org.camunda.bpm.engine.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:71) at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:70) at org.camunda.bpm.engine.impl.interceptor.CommandCounterInterceptor.execute(CommandCounterInterceptor.java:35) at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33) at org.camunda.bpm.engine.impl.interceptor.ExceptionCodeInterceptor.execute(ExceptionCodeInterceptor.java:55) at org.camunda.bpm.engine.impl.jobexecutor.SequentialJobAcquisitionRunnable.acquireJobs(SequentialJobAcquisitionRunnable.java:164) at org.camunda.bpm.engine.impl.jobexecutor.SequentialJobAcquisitionRunnable.run(SequentialJobAcquisitionRunnable.java:80) at java.lang.Thread.run(Thread.java:748) Caused by: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet successfully received from the server was 76,824 milliseconds ago. The last packet sent successfully to the server was 76,825 milliseconds ago. 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.setAutoCommit(ConnectionImpl.java:2022) at com.alibaba.druid.pool.DruidPooledConnection.setAutoCommit(DruidPooledConnection.java:713) at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:287) ... 11 common frames omitted Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet successfully received from the server was 76,824 milliseconds ago. The last packet sent successfully to the server was 76,825 milliseconds ago. at sun.reflect.GeneratedConstructorAccessor121.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582) at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762) at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701) at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050) at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997) at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658) at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2005) ... 13 common frames omitted Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) at java.net.SocketInputStream.read(SocketInputStream.java:171) at java.net.SocketInputStream.read(SocketInputStream.java:141) at sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:466) at sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:460) at sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:69) at sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1147) at sun.security.ssl.SSLSocketImpl.access$300(SSLSocketImpl.java:74) at sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:834) at java.io.FilterInputStream.read(FilterInputStream.java:133) at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64) at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81) at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63) at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45) at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52) at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41) at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54) at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44) at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576) ... 19 common frames omitted