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Bug
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Resolution: Done
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Major
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None
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None
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False
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None
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False
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The connection used by the blocking snapshot is the same connection used by the initial snapshot. For the blocking snapshot uses cases, due to its nature to be repeated multiple times, a CommunicationsException can occurs.
com.mysql.cj.jdbc.exceptions.CommunicationsException: The last packet successfully received from the server was 347,014,899 milliseconds ago. The last packet sent successfully to the server was 347,014,906 milliseconds ago. is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem. 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 io.debezium.relational.RelationalSnapshotChangeEventSource.createSnapshotConnection(RelationalSnapshotChangeEventSource.java:228) at io.debezium.relational.RelationalSnapshotChangeEventSource.doExecute(RelationalSnapshotChangeEventSource.java:127) at io.debezium.pipeline.source.AbstractSnapshotChangeEventSource.execute(AbstractSnapshotChangeEventSource.java:92) at io.debezium.pipeline.ChangeEventSourceCoordinator.doSnapshot(ChangeEventSourceCoordinator.java:253) at io.debezium.pipeline.ChangeEventSourceCoordinator.lambda$doBlockingSnapshot$7(ChangeEventSourceCoordinator.java:218) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:840) Caused by: com.mysql.cj.exceptions.CJCommunicationsException: The last packet successfully received from the server was 347,014,899 milliseconds ago. The last packet sent successfully to the server was 347,014,906 milliseconds ago. is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem. at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java: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.send(NativeProtocol.java:629) at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:684) 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) ... 10 common frames omitted Caused by: java.net.SocketException: Connection reset by peer at java.base/sun.nio.ch.NioSocketImpl.implWrite(NioSocketImpl.java:425) at java.base/sun.nio.ch.NioSocketImpl.write(NioSocketImpl.java:445) at java.base/sun.nio.ch.NioSocketImpl$2.write(NioSocketImpl.java:831) at java.base/java.net.Socket$SocketOutputStream.write(Socket.java:1035) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142) at com.mysql.cj.protocol.a.SimplePacketSender.send(SimplePacketSender.java:57) at com.mysql.cj.protocol.a.TimeTrackingPacketSender.send(TimeTrackingPacketSender.java:52) at com.mysql.cj.protocol.a.NativeProtocol.send(NativeProtocol.java:620) ... 15 common frames omitted
- links to
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RHEA-2024:139598 Red Hat build of Debezium 2.5.4 release