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  1. Flink
  2. FLINK-20781

UnalignedCheckpointITCase failure caused by NullPointerException

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      UnalignedCheckpointITCase fails due to NullPointerException (e.g. in this build):

      [ERROR] Tests run: 10, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 152.186 s <<< FAILURE! - in org.apache.flink.test.checkpointing.UnalignedCheckpointITCase
      [ERROR] execute[Parallel cogroup, p = 10](org.apache.flink.test.checkpointing.UnalignedCheckpointITCase)  Time elapsed: 34.869 s  <<< ERROR!
      org.apache.flink.runtime.client.JobExecutionException: Job execution failed.
      	at org.apache.flink.runtime.jobmaster.JobResult.toJobExecutionResult(JobResult.java:147)
      	at org.apache.flink.runtime.minicluster.MiniClusterJobClient.lambda$getJobExecutionResult$2(MiniClusterJobClient.java:119)
      	at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:616)
      	at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:591)
      	at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488)
      	at java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1975)
      	at org.apache.flink.runtime.rpc.akka.AkkaInvocationHandler.lambda$invokeRpc$0(AkkaInvocationHandler.java:229)
      	at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:774)
      	at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:750)
      	at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488)
      	at java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1975)
      	at org.apache.flink.runtime.concurrent.FutureUtils$1.onComplete(FutureUtils.java:996)
      	at akka.dispatch.OnComplete.internal(Future.scala:264)
      	at akka.dispatch.OnComplete.internal(Future.scala:261)
      	at akka.dispatch.japi$CallbackBridge.apply(Future.scala:191)
      	at akka.dispatch.japi$CallbackBridge.apply(Future.scala:188)
      	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:36)
      	at org.apache.flink.runtime.concurrent.Executors$DirectExecutionContext.execute(Executors.java:74)
      	at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:44)
      	at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:252)
      	at akka.pattern.PromiseActorRef.$bang(AskSupport.scala:572)
      	at akka.pattern.PipeToSupport$PipeableFuture$$anonfun$pipeTo$1.applyOrElse(PipeToSupport.scala:22)
      	at akka.pattern.PipeToSupport$PipeableFuture$$anonfun$pipeTo$1.applyOrElse(PipeToSupport.scala:21)
      	at scala.concurrent.Future$$anonfun$andThen$1.apply(Future.scala:436)
      	at scala.concurrent.Future$$anonfun$andThen$1.apply(Future.scala:435)
      	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:36)
      	at akka.dispatch.BatchingExecutor$AbstractBatch.processBatch(BatchingExecutor.scala:55)
      	at akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply$mcV$sp(BatchingExecutor.scala:91)
      	at akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply(BatchingExecutor.scala:91)
      	at akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply(BatchingExecutor.scala:91)
      	at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:72)
      	at akka.dispatch.BatchingExecutor$BlockableBatch.run(BatchingExecutor.scala:90)
      	at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:40)
      	at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(ForkJoinExecutorConfigurator.scala:44)
      	at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
      	at akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
      	at akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
      	at akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
      Caused by: org.apache.flink.runtime.JobException: Recovery is suppressed by FixedDelayRestartBackoffTimeStrategy(maxNumberRestartAttempts=5, backoffTimeMS=100)
      	at org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.handleFailure(ExecutionFailureHandler.java:116)
      	at org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.getFailureHandlingResult(ExecutionFailureHandler.java:78)
      	at org.apache.flink.runtime.scheduler.DefaultScheduler.handleTaskFailure(DefaultScheduler.java:221)
      	at org.apache.flink.runtime.scheduler.DefaultScheduler.maybeHandleTaskFailure(DefaultScheduler.java:214)
      	at org.apache.flink.runtime.scheduler.DefaultScheduler.updateTaskExecutionStateInternal(DefaultScheduler.java:205)
      	at org.apache.flink.runtime.scheduler.SchedulerBase.updateTaskExecutionState(SchedulerBase.java:577)
      	at org.apache.flink.runtime.scheduler.SchedulerNG.updateTaskExecutionState(SchedulerNG.java:89)
      	at org.apache.flink.runtime.jobmaster.JobMaster.updateTaskExecutionState(JobMaster.java:420)
      	at sun.reflect.GeneratedMethodAccessor16.invoke(Unknown Source)
      	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      	at java.lang.reflect.Method.invoke(Method.java:498)
      	at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcInvocation(AkkaRpcActor.java:286)
      	at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:201)
      	at org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:74)
      	at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:154)
      	at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26)
      	at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21)
      	at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123)
      	at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:21)
      	at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:170)
      	at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)
      	at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)
      	at akka.actor.Actor$class.aroundReceive(Actor.scala:517)
      	at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:225)
      	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:592)
      	at akka.actor.ActorCell.invoke(ActorCell.scala:561)
      	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:258)
      	at akka.dispatch.Mailbox.run(Mailbox.scala:225)
      	at akka.dispatch.Mailbox.exec(Mailbox.scala:235)
      	... 4 more
      Caused by: java.lang.NullPointerException
      	at org.apache.flink.streaming.api.operators.SourceOperator.notifyCheckpointAborted(SourceOperator.java:299)
      	at org.apache.flink.streaming.runtime.tasks.SubtaskCheckpointCoordinatorImpl.notifyCheckpointAborted(SubtaskCheckpointCoordinatorImpl.java:311)
      	at org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$notifyCheckpointAbortAsync$12(StreamTask.java:968)
      	at org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$notifyCheckpointOperation$13(StreamTask.java:977)
      	at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.runThrowing(StreamTaskActionExecutor.java:47)
      	at org.apache.flink.streaming.runtime.tasks.mailbox.Mail.run(Mail.java:78)
      	at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxExecutorImpl.tryYield(MailboxExecutorImpl.java:91)
      	at org.apache.flink.streaming.runtime.tasks.StreamOperatorWrapper.quiesceTimeServiceAndCloseOperator(StreamOperatorWrapper.java:155)
      	at org.apache.flink.streaming.runtime.tasks.StreamOperatorWrapper.close(StreamOperatorWrapper.java:130)
      	at org.apache.flink.streaming.runtime.tasks.OperatorChain.closeOperators(OperatorChain.java:412)
      	at org.apache.flink.streaming.runtime.tasks.StreamTask.afterInvoke(StreamTask.java:585)
      	at org.apache.flink.streaming.runtime.tasks.SourceOperatorStreamTask.afterInvoke(SourceOperatorStreamTask.java:128)
      	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:547)
      	at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:722)
      	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:547)
      	at java.lang.Thread.run(Thread.java:748) 

      This might be caused by work related to FLINK-20492 due to 168124f setting sourceReader to null.

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              • Assignee:
                becket_qin Jiangjie Qin
                Reporter:
                mapohl Matthias
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                • Created:
                  Updated:
                  Resolved: