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https://issues.apache.org/jira/browse/FLINK-20781?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17259340#comment-17259340
]
Huang Xingbo commented on FLINK-20781:
--------------------------------------
[https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=11654&view=logs&j=5c8e7682-d68f-54d1-16a2-a09310218a49&t=f508e270-48d6-5f1e-3138-42a17e0714f0]
> UnalignedCheckpointITCase failure caused by NullPointerException
> ----------------------------------------------------------------
>
> Key: FLINK-20781
> URL: https://issues.apache.org/jira/browse/FLINK-20781
> Project: Flink
> Issue Type: Bug
> Affects Versions: 1.12.0, 1.13.0
> Reporter: Matthias
> Assignee: Jiangjie Qin
> Priority: Critical
> Labels: pull-request-available, test-stability
> Fix For: 1.12.1
>
>
> {{UnalignedCheckpointITCase}} fails due to {{NullPointerException}} (e.g. in
> [this
> build|https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=11083&view=logs&j=59c257d0-c525-593b-261d-e96a86f1926b&t=b93980e3-753f-5433-6a19-13747adae66a&l=8798]):
> {code:java}
> [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) {code}
> This might be caused by work related to FLINK-20492 due to
> [168124f|https://github.com/apache/flink/commit/168124f99c75e873adc81437c700f85f703e2248#diff-eba14821fb3e96f6f20e3116ceab893c2f18cff605b177dad485aadc43ac4f56R240]
> setting {{sourceReader}} to {{null}}.
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