[2024-02-02 17:16:23.535] [ERROR] [sourceTask-3] [clearResultSet error]
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 1,200,137 milliseconds ago.  The last packet sent successfully to the server was 600,099 milliseconds ago.
	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.jdbc.Util.handleNewInstance(Util.java:425)
	at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990)
	at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3562)
	at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3462)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3905)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2530)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2683)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2491)
	at com.mysql.jdbc.StatementImpl.executeSimpleNonQuery(StatementImpl.java:1465)
	at com.mysql.jdbc.RowDataDynamic.close(RowDataDynamic.java:178)
	at com.mysql.jdbc.ResultSetImpl.realClose(ResultSetImpl.java:6680)
	at com.mysql.jdbc.ResultSetImpl.close(ResultSetImpl.java:851)
	at com.alibaba.druid.pool.DruidPooledResultSet.close(DruidPooledResultSet.java:86)
	at com.alibaba.druid.pool.DruidPooledStatement.clearResultSet(DruidPooledStatement.java:206)
	at com.alibaba.druid.pool.DruidPooledStatement.close(DruidPooledStatement.java:514)
	at com.alibaba.druid.pool.DruidPooledPreparedStatement.closeInternal(DruidPooledPreparedStatement.java:209)
	at com.alibaba.druid.pool.DruidPooledConnection.closePoolableStatement(DruidPooledConnection.java:205)
	at com.alibaba.druid.pool.DruidPooledPreparedStatement.close(DruidPooledPreparedStatement.java:201)
	at com.alibaba.druid.util.JdbcUtils.close(JdbcUtils.java:98)
	at com.alibaba.druid.pool.DruidConnectionHolder.reset(DruidConnectionHolder.java:323)
	at com.alibaba.druid.pool.DruidDataSource.recycle(DruidDataSource.java:1949)
	at com.alibaba.druid.pool.DruidPooledConnection.recycle(DruidPooledConnection.java:351)
	at com.alibaba.druid.pool.DruidPooledConnection.close(DruidPooledConnection.java:288)
	at com.oceanbase.oms.connector.common.util.CommonUtil.swallowErrorClose(CommonUtil.java:80)
	at com.oceanbase.oms.dataflow.common.stream.StreamRecordFetcher.clear(StreamRecordFetcher.java:49)
	at com.oceanbase.oms.dataflow.common.stream.StreamRecordBatchBuilder.hasNext(StreamRecordBatchBuilder.java:70)
	at com.oceanbase.oms.dataflow.common.stream.StreamRecordBatchBuilder.next(StreamRecordBatchBuilder.java:89)
	at com.oceanbase.oms.dataflow.common.stream.StreamRecordBatchBuilder.next(StreamRecordBatchBuilder.java:19)
	at com.oceanbase.connector.framework.threadmanager.sourcetask.ConditionedSourceConnectorTask.pollQueryConditionWithRetry(ConditionedSourceConnectorTask.java:117)
	at com.oceanbase.connector.framework.threadmanager.sourcetask.ConditionedSourceConnectorTask.run(ConditionedSourceConnectorTask.java:68)
	at java.lang.Thread.run(Thread.java:853)
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 com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:101)
	at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:144)
	at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:174)
	at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3011)
	at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3472)
	... 28 common frames omitted