[Bug] [zeta] When restore the job, because the reader has not been registered, the split is assigned first and the task is abnormal

[liugddx]

close #4764

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• I had searched in the issues and found no similar issues.

What happened

When restore the job, because the reader has not been registered, the split is assigned first and the task is abnormal

SeaTunnel Version

dev

SeaTunnel Config

-

Running Command

-

Error Exception

java.lang.NullPointerException
	at org.apache.seatunnel.connectors.seatunnel.kafka.source.KafkaSourceSplitEnumerator.listOffsets(KafkaSourceSplitEnumerator.java:327)
	at org.apache.seatunnel.connectors.seatunnel.kafka.source.KafkaSourceSplitEnumerator.convertToNextSplit(KafkaSourceSplitEnumerator.java:191)
	at org.apache.seatunnel.connectors.seatunnel.kafka.source.KafkaSourceSplitEnumerator.addSplitsBack(KafkaSourceSplitEnumerator.java:182)
	at org.apache.seatunnel.engine.server.task.SourceSplitEnumeratorTask.addSplitsBack(SourceSplitEnumeratorTask.java:186)
	at org.apache.seatunnel.engine.server.task.operation.source.RestoredSplitOperation.lambda$run$1(RestoredSplitOperation.java:98)
	at org.apache.seatunnel.common.utils.RetryUtils.retryWithException(RetryUtils.java:48)
	at org.apache.seatunnel.engine.server.task.operation.source.RestoredSplitOperation.run(RestoredSplitOperation.java:82)
	at com.hazelcast.spi.impl.operationservice.Operation.call(Operation.java:189)
	at com.hazelcast.spi.impl.operationservice.impl.OperationRunnerImpl.call(OperationRunnerImpl.java:273)
	at com.hazelcast.spi.impl.operationservice.impl.OperationRunnerImpl.run(OperationRunnerImpl.java:248)
	at com.hazelcast.spi.impl.operationservice.impl.OperationRunnerImpl.run(OperationRunnerImpl.java:213)
	at com.hazelcast.spi.impl.operationexecutor.impl.OperationExecutorImpl.run(OperationExecutorImpl.java:411)
	at com.hazelcast.spi.impl.operationexecutor.impl.OperationExecutorImpl.runOrExecute(OperationExecutorImpl.java:438)
	at com.hazelcast.spi.impl.operationservice.impl.Invocation.doInvokeLocal(Invocation.java:601)
	at com.hazelcast.spi.impl.operationservice.impl.Invocation.doInvoke(Invocation.java:580)
	at com.hazelcast.spi.impl.operationservice.impl.Invocation.invoke0(Invocation.java:541)
	at com.hazelcast.spi.impl.operationservice.impl.Invocation.invoke(Invocation.java:241)
	at com.hazelcast.spi.impl.operationservice.impl.InvocationBuilderImpl.invoke(InvocationBuilderImpl.java:61)
	at org.apache.seatunnel.engine.server.utils.NodeEngineUtil.sendOperationToMemberNode(NodeEngineUtil.java:51)
	at org.apache.seatunnel.engine.server.execution.TaskExecutionContext.sendToMember(TaskExecutionContext.java:47)
	at org.apache.seatunnel.engine.server.task.flow.SourceFlowLifeCycle.restoreState(SourceFlowLifeCycle.java:253)
	at org.apache.seatunnel.engine.server.task.SeaTunnelTask.lambda$restoreState$14(SeaTunnelTask.java:383)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
	at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
	at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
	at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1384)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)

Flink or Spark Version

No response

Java or Scala Version

No response

Screenshots

No response

Are you willing to submit PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct

[liugddx]

Cannot call assignSplit in the addSplitsBack method.

[liugddx]

cannot call assignSplit() in the open() method

[github-actions]

This issue has been automatically marked as stale because it has not had recent activity for 30 days. It will be closed in next 7 days if no further activity occurs.