Debezium Oracle connector stops with the error org.apache.kafka.connect.errors.ConnectException: An exception occurred in the change event producer

Issue

• Debezium Oracle connector stops with the following exception in the log:

  Trace: 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:180)
  at io.debezium.connector.oracle.logminer.LogMinerStreamingChangeEventSource.execute(LogMinerStreamingChangeEventSource.java:58)
  at io.debezium.pipeline.ChangeEventSourceCoordinator.streamEvents(ChangeEventSourceCoordinator.java:166)
  at io.debezium.pipeline.ChangeEventSourceCoordinator.lambda$start$0(ChangeEventSourceCoordinator.java:127)
  at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
  at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
  at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
  at java.base/java.lang.Thread.run(Thread.java:834)
  Caused by: java.lang.NullPointerException
  at         io.debezium.connector.oracle.logminer.LogMinerStreamingChangeEventSource.checkTableColumnNameLengths(LogMinerStreamingChangeEventSource.java:572)
  at io.debezium.connector.oracle.logminer.LogMinerStreamingChangeEventSource.checkDatabaseAndTableState(LogMinerStreamingChangeEventSource.java:548)
  at io.debezium.connector.oracle.logminer.LogMinerStreamingChangeEventSource.execute(LogMinerStreamingChangeEventSource.java:119)