oracle cdc问题：java.sql.SQLException: ORA-01321: No Logminer Dictionary for requested start SCN

[MonsterChenzhuo]

2022-07-28 09:39:30
com.ververica.cdc.connectors.shaded.org.apache.kafka.connect.errors.ConnectException: An exception occurred in the change event producer. This connector will be stopped.
at io.debezium.pipeline.ErrorHandler.setProducerThrowable(ErrorHandler.java:42)
at io.debezium.connector.oracle.logminer.LogMinerStreamingChangeEventSource.execute(LogMinerStreamingChangeEventSource.java:243)
at io.debezium.connector.oracle.logminer.LogMinerStreamingChangeEventSource.execute(LogMinerStreamingChangeEventSource.java:63)
at io.debezium.pipeline.ChangeEventSourceCoordinator.streamEvents(ChangeEventSourceCoordinator.java:160)
at io.debezium.pipeline.ChangeEventSourceCoordinator.lambda$start$0(ChangeEventSourceCoordinator.java:122)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.sql.SQLException: ORA-01321: No Logminer Dictionary for requested start SCN
ORA-06512: at line 1
ORA-06512: at "SYS.DBMS_LOGMNR", line 58
ORA-06512: at line 1

at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:509)
at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:461)
at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:1104)
at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:550)
at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:268)
at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:655)
at oracle.jdbc.driver.T4CCallableStatement.doOall8(T4CCallableStatement.java:265)
at oracle.jdbc.driver.T4CCallableStatement.doOall8(T4CCallableStatement.java:86)
at oracle.jdbc.driver.T4CCallableStatement.executeForRows(T4CCallableStatement.java:965)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1205)
at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3666)
at oracle.jdbc.driver.T4CCallableStatement.executeInternal(T4CCallableStatement.java:1358)
at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:3778)
at oracle.jdbc.driver.OracleCallableStatement.execute(OracleCallableStatement.java:4251)
at oracle.jdbc.driver.OraclePreparedStatementWrapper.execute(OraclePreparedStatementWrapper.java:1081)
at io.debezium.connector.oracle.logminer.LogMinerHelper.executeCallableStatement(LogMinerHelper.java:705)
at io.debezium.connector.oracle.logminer.LogMinerHelper.startLogMining(LogMinerHelper.java:237)
at io.debezium.connector.oracle.logminer.LogMinerStreamingChangeEventSource.execute(LogMinerStreamingChangeEventSource.java:193)
... 8 more

Caused by: Error : 1321, Position : 0, Sql = BEGIN sys.dbms_logmnr.start_logmnr(startScn => '6344942138407', endScn => '6344942237407', OPTIONS => DBMS_LOGMNR.DICT_FROM_REDO_LOGS + DBMS_LOGMNR.DDL_DICT_TRACKING + DBMS_LOGMNR.NO_ROWID_IN_STMT);END;, OriginalSql = BEGIN sys.dbms_logmnr.start_logmnr(startScn => '6344942138407', endScn => '6344942237407', OPTIONS => DBMS_LOGMNR.DICT_FROM_REDO_LOGS + DBMS_LOGMNR.DDL_DICT_TRACKING + DBMS_LOGMNR.NO_ROWID_IN_STMT);END;, Error Msg = ORA-01321: No Logminer Dictionary for requested start SCN
ORA-06512: at line 1
ORA-06512: at "SYS.DBMS_LOGMNR", line 58
ORA-06512: at line 1

at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:513)
... 25 more

请问这个是什么原因导致的，如何进行解决