[ 
https://issues.apache.org/jira/browse/FLINK-20331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Roman Khachatryan reassigned FLINK-20331:
-----------------------------------------

    Assignee: Roman Khachatryan

> UnalignedCheckpointITCase.execute failed with "Sequence number for checkpoint 
> 20 is not known (it was likely been overwritten by a newer checkpoint 21)"
> --------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-20331
>                 URL: https://issues.apache.org/jira/browse/FLINK-20331
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Checkpointing
>    Affects Versions: 1.12.0
>            Reporter: Dian Fu
>            Assignee: Roman Khachatryan
>            Priority: Blocker
>              Labels: test-stability
>             Fix For: 1.12.0
>
>
> https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=10059&view=logs&j=119bbba7-f5e3-5e08-e72d-09f1529665de&t=7dc1f5a9-54e1-502e-8b02-c7df69073cfc
> {code}
> 2020-11-24T22:42:17.6704402Z [ERROR] execute[parallel pipeline with mixed 
> channels, p = 
> 20](org.apache.flink.test.checkpointing.UnalignedCheckpointITCase)  Time 
> elapsed: 7.901 s  <<< ERROR!
> 2020-11-24T22:42:17.6706095Z 
> org.apache.flink.runtime.client.JobExecutionException: Job execution failed.
> 2020-11-24T22:42:17.6707450Z  at 
> org.apache.flink.runtime.jobmaster.JobResult.toJobExecutionResult(JobResult.java:147)
> 2020-11-24T22:42:17.6708569Z  at 
> org.apache.flink.runtime.minicluster.MiniClusterJobClient.lambda$getJobExecutionResult$2(MiniClusterJobClient.java:119)
> 2020-11-24T22:42:17.6709626Z  at 
> java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:616)
> 2020-11-24T22:42:17.6710452Z  at 
> java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:591)
> 2020-11-24T22:42:17.6711271Z  at 
> java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488)
> 2020-11-24T22:42:17.6713170Z  at 
> java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1975)
> 2020-11-24T22:42:17.6713974Z  at 
> org.apache.flink.runtime.rpc.akka.AkkaInvocationHandler.lambda$invokeRpc$0(AkkaInvocationHandler.java:229)
> 2020-11-24T22:42:17.6714517Z  at 
> java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:774)
> 2020-11-24T22:42:17.6715372Z  at 
> java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:750)
> 2020-11-24T22:42:17.6715871Z  at 
> java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488)
> 2020-11-24T22:42:17.6716514Z  at 
> java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1975)
> 2020-11-24T22:42:17.6718475Z  at 
> org.apache.flink.runtime.concurrent.FutureUtils$1.onComplete(FutureUtils.java:996)
> 2020-11-24T22:42:17.6719322Z  at 
> akka.dispatch.OnComplete.internal(Future.scala:264)
> 2020-11-24T22:42:17.6719887Z  at 
> akka.dispatch.OnComplete.internal(Future.scala:261)
> 2020-11-24T22:42:17.6720271Z  at 
> akka.dispatch.japi$CallbackBridge.apply(Future.scala:191)
> 2020-11-24T22:42:17.6720645Z  at 
> akka.dispatch.japi$CallbackBridge.apply(Future.scala:188)
> 2020-11-24T22:42:17.6721114Z  at 
> scala.concurrent.impl.CallbackRunnable.run(Promise.scala:36)
> 2020-11-24T22:42:17.6721585Z  at 
> org.apache.flink.runtime.concurrent.Executors$DirectExecutionContext.execute(Executors.java:74)
> 2020-11-24T22:42:17.6722078Z  at 
> scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:44)
> 2020-11-24T22:42:17.6722738Z  at 
> scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:252)
> 2020-11-24T22:42:17.6723183Z  at 
> akka.pattern.PromiseActorRef.$bang(AskSupport.scala:572)
> 2020-11-24T22:42:17.6723862Z  at 
> akka.pattern.PipeToSupport$PipeableFuture$$anonfun$pipeTo$1.applyOrElse(PipeToSupport.scala:22)
> 2020-11-24T22:42:17.6724435Z  at 
> akka.pattern.PipeToSupport$PipeableFuture$$anonfun$pipeTo$1.applyOrElse(PipeToSupport.scala:21)
> 2020-11-24T22:42:17.6724914Z  at 
> scala.concurrent.Future$$anonfun$andThen$1.apply(Future.scala:436)
> 2020-11-24T22:42:17.6725323Z  at 
> scala.concurrent.Future$$anonfun$andThen$1.apply(Future.scala:435)
> 2020-11-24T22:42:17.6725866Z  at 
> scala.concurrent.impl.CallbackRunnable.run(Promise.scala:36)
> 2020-11-24T22:42:17.6726313Z  at 
> akka.dispatch.BatchingExecutor$AbstractBatch.processBatch(BatchingExecutor.scala:55)
> 2020-11-24T22:42:17.6726829Z  at 
> akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply$mcV$sp(BatchingExecutor.scala:91)
> 2020-11-24T22:42:17.6727376Z  at 
> akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply(BatchingExecutor.scala:91)
> 2020-11-24T22:42:17.6727891Z  at 
> akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply(BatchingExecutor.scala:91)
> 2020-11-24T22:42:17.6728400Z  at 
> scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:72)
> 2020-11-24T22:42:17.6728855Z  at 
> akka.dispatch.BatchingExecutor$BlockableBatch.run(BatchingExecutor.scala:90)
> 2020-11-24T22:42:17.6729390Z  at 
> akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:40)
> 2020-11-24T22:42:17.6729853Z  at 
> akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(ForkJoinExecutorConfigurator.scala:44)
> 2020-11-24T22:42:17.6730345Z  at 
> akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
> 2020-11-24T22:42:17.6730781Z  at 
> akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
> 2020-11-24T22:42:17.6731212Z  at 
> akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> 2020-11-24T22:42:17.6731657Z  at 
> akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> 2020-11-24T22:42:17.6732230Z Caused by: 
> org.apache.flink.runtime.JobException: Recovery is suppressed by 
> FixedDelayRestartBackoffTimeStrategy(maxNumberRestartAttempts=5, 
> backoffTimeMS=100)
> 2020-11-24T22:42:17.6733094Z  at 
> org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.handleFailure(ExecutionFailureHandler.java:116)
> 2020-11-24T22:42:17.6733759Z  at 
> org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.getFailureHandlingResult(ExecutionFailureHandler.java:78)
> 2020-11-24T22:42:17.6734418Z  at 
> org.apache.flink.runtime.scheduler.DefaultScheduler.handleTaskFailure(DefaultScheduler.java:224)
> 2020-11-24T22:42:17.6734964Z  at 
> org.apache.flink.runtime.scheduler.DefaultScheduler.maybeHandleTaskFailure(DefaultScheduler.java:217)
> 2020-11-24T22:42:17.6735683Z  at 
> org.apache.flink.runtime.scheduler.DefaultScheduler.updateTaskExecutionStateInternal(DefaultScheduler.java:208)
> 2020-11-24T22:42:17.6736231Z  at 
> org.apache.flink.runtime.scheduler.SchedulerBase.updateTaskExecutionState(SchedulerBase.java:533)
> 2020-11-24T22:42:17.6736756Z  at 
> org.apache.flink.runtime.scheduler.SchedulerNG.updateTaskExecutionState(SchedulerNG.java:89)
> 2020-11-24T22:42:17.6737270Z  at 
> org.apache.flink.runtime.jobmaster.JobMaster.updateTaskExecutionState(JobMaster.java:419)
> 2020-11-24T22:42:17.6737684Z  at 
> sun.reflect.GeneratedMethodAccessor16.invoke(Unknown Source)
> 2020-11-24T22:42:17.6738114Z  at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 2020-11-24T22:42:17.6738542Z  at 
> java.lang.reflect.Method.invoke(Method.java:498)
> 2020-11-24T22:42:17.6738960Z  at 
> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcInvocation(AkkaRpcActor.java:286)
> 2020-11-24T22:42:17.6739537Z  at 
> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:201)
> 2020-11-24T22:42:17.6740059Z  at 
> org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:74)
> 2020-11-24T22:42:17.6740560Z  at 
> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:154)
> 2020-11-24T22:42:17.6741004Z  at 
> akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26)
> 2020-11-24T22:42:17.6741489Z  at 
> akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21)
> 2020-11-24T22:42:17.6741882Z  at 
> scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123)
> 2020-11-24T22:42:17.6742302Z  at 
> akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:21)
> 2020-11-24T22:42:17.6743029Z  at 
> scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:170)
> 2020-11-24T22:42:17.6743601Z  at 
> scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)
> 2020-11-24T22:42:17.6744206Z  at 
> scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)
> 2020-11-24T22:42:17.6744642Z  at 
> akka.actor.Actor$class.aroundReceive(Actor.scala:517)
> 2020-11-24T22:42:17.6745047Z  at 
> akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:225)
> 2020-11-24T22:42:17.6745450Z  at 
> akka.actor.ActorCell.receiveMessage(ActorCell.scala:592)
> 2020-11-24T22:42:17.6745807Z  at 
> akka.actor.ActorCell.invoke(ActorCell.scala:561)
> 2020-11-24T22:42:17.6746184Z  at 
> akka.dispatch.Mailbox.processMailbox(Mailbox.scala:258)
> 2020-11-24T22:42:17.6746540Z  at akka.dispatch.Mailbox.run(Mailbox.scala:225)
> 2020-11-24T22:42:17.6746880Z  at akka.dispatch.Mailbox.exec(Mailbox.scala:235)
> 2020-11-24T22:42:17.6747244Z  ... 4 more
> 2020-11-24T22:42:17.6747712Z Caused by: java.lang.IllegalStateException: 
> Sequence number for checkpoint 20 is not known (it was likely been 
> overwritten by a newer checkpoint 21)
> 2020-11-24T22:42:17.6748244Z  at 
> org.apache.flink.util.Preconditions.checkState(Preconditions.java:220)
> 2020-11-24T22:42:17.6749007Z  at 
> org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.getInflightBuffersUnsafe(RemoteInputChannel.java:542)
> 2020-11-24T22:42:17.6750046Z  at 
> org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.checkpointStarted(RemoteInputChannel.java:514)
> 2020-11-24T22:42:17.6750982Z  at 
> org.apache.flink.runtime.io.network.partition.consumer.IndexedInputGate.checkpointStarted(IndexedInputGate.java:35)
> 2020-11-24T22:42:17.6751825Z  at 
> org.apache.flink.streaming.runtime.io.UnalignedController.preProcessFirstBarrier(UnalignedController.java:54)
> 2020-11-24T22:42:17.6752730Z  at 
> org.apache.flink.streaming.runtime.io.AlternatingController.preProcessFirstBarrier(AlternatingController.java:57)
> 2020-11-24T22:42:17.6753372Z  at 
> org.apache.flink.streaming.runtime.io.SingleCheckpointBarrierHandler.processBarrier(SingleCheckpointBarrierHandler.java:121)
> 2020-11-24T22:42:17.6754237Z  at 
> org.apache.flink.streaming.runtime.io.CheckpointedInputGate.handleEvent(CheckpointedInputGate.java:174)
> 2020-11-24T22:42:17.6754995Z  at 
> org.apache.flink.streaming.runtime.io.CheckpointedInputGate.pollNext(CheckpointedInputGate.java:151)
> 2020-11-24T22:42:17.6755929Z  at 
> org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.emitNext(StreamTaskNetworkInput.java:157)
> 2020-11-24T22:42:17.6756494Z  at 
> org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:67)
> 2020-11-24T22:42:17.6757294Z  at 
> org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:372)
> 2020-11-24T22:42:17.6757944Z  at 
> org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:186)
> 2020-11-24T22:42:17.6758714Z  at 
> org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:575)
> 2020-11-24T22:42:17.6759583Z  at 
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:539)
> 2020-11-24T22:42:17.6760205Z  at 
> org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:722)
> 2020-11-24T22:42:17.6760774Z  at 
> org.apache.flink.runtime.taskmanager.Task.run(Task.java:547)
> 2020-11-24T22:42:17.6761323Z  at java.lang.Thread.run(Thread.java:748)
> {code}



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