[jira] [Created] (FLINK-19985) job went into zombie state after ZK session timeout

[Shang Yuanchun (Jira)]

Lu Niu created FLINK-19985:
------------------------------

             Summary: job went into zombie state after ZK session timeout
                 Key: FLINK-19985
                 URL: https://issues.apache.org/jira/browse/FLINK-19985
             Project: Flink
          Issue Type: Bug
    Affects Versions: 1.9.1
            Reporter: Lu Niu


Recently we had an issue that one flink job went into zombie state after ZK session timeout. What happened seemingly was:
 # ZK session timeout (JobManager HA is enabled) and reconnect, the JobManager is no longer the leader now:
 #
{code:java}
org.apache.flink.util.FlinkException: JobManager is no longer the leader.org.apache.flink.util.FlinkException: JobManager is no longer the leader. at org.apache.flink.runtime.jobmaster.JobManagerRunner.revokeJobMasterLeadership(JobManagerRunner.java:391) at org.apache.flink.runtime.jobmaster.JobManagerRunner.lambda$revokeLeadership$5(JobManagerRunner.java:377) at java.util.concurrent.CompletableFuture.uniComposeStage(CompletableFuture.java:981) at java.util.concurrent.CompletableFuture.thenCompose(CompletableFuture.java:2124) at org.apache.flink.runtime.jobmaster.JobManagerRunner.revokeLeadership(JobManagerRunner.java:374) at org.apache.flink.runtime.leaderelection.ZooKeeperLeaderElectionService.notLeader(ZooKeeperLeaderElectionService.java:247) at org.apache.flink.shaded.curator.org.apache.curator.framework.recipes.leader.LeaderLatch$8.apply(LeaderLatch.java:640) at org.apache.flink.shaded.curator.org.apache.curator.framework.recipes.leader.LeaderLatch$8.apply(LeaderLatch.java:636) at org.apache.flink.shaded.curator.org.apache.curator.framework.listen.ListenerContainer$1.run(ListenerContainer.java:93) at org.apache.flink.shaded.curator.org.apache.curator.shaded.com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:297) at org.apache.flink.shaded.curator.org.apache.curator.framework.listen.ListenerContainer.forEach(ListenerContainer.java:85) at org.apache.flink.shaded.curator.org.apache.curator.framework.recipes.leader.LeaderLatch.setLeadership(LeaderLatch.java:635) at org.apache.flink.shaded.curator.org.apache.curator.framework.recipes.leader.LeaderLatch.handleStateChange(LeaderLatch.java:623) at org.apache.flink.shaded.curator.org.apache.curator.framework.recipes.leader.LeaderLatch.access$000(LeaderLatch.java:64) at org.apache.flink.shaded.curator.org.apache.curator.framework.recipes.leader.LeaderLatch$1.stateChanged(LeaderLatch.java:82) at org.apache.flink.shaded.curator.org.apache.curator.framework.state.ConnectionStateManager$2.apply(ConnectionStateManager.java:259) at org.apache.flink.shaded.curator.org.apache.curator.framework.state.ConnectionStateManager$2.apply(ConnectionStateManager.java:255) at org.apache.flink.shaded.curator.org.apache.curator.framework.listen.ListenerContainer$1.run(ListenerContainer.java:93) at org.apache.flink.shaded.curator.org.apache.curator.shaded.com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:297) at org.apache.flink.shaded.curator.org.apache.curator.framework.listen.ListenerContainer.forEach(ListenerContainer.java:85) at org.apache.flink.shaded.curator.org.apache.curator.framework.state.ConnectionStateManager.processEvents(ConnectionStateManager.java:253) at org.apache.flink.shaded.curator.org.apache.curator.framework.state.ConnectionStateManager.access$000(ConnectionStateManager.java:43) at org.apache.flink.shaded.curator.org.apache.curator.framework.state.ConnectionStateManager$1.call(ConnectionStateManager.java:111) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)
{code}

2. For some reason, the JobManager failed to register itself as the leader, leading the whole job into SUSPENDED and then CANCELED mode. exception was: 
 #
{code:java}
2020-11-04 18:42:43,523 ERROR org.apache.flink.runtime.rest.handler.job.JobDetailsHandler   - Unhandled exception.
org.apache.flink.runtime.rpc.exceptions.FencingTokenException: Fencing token mismatch: Ignoring message LocalFencedMessage(826fbfb893e4dbce095f5f1b1d75426b, LocalRpcInvocation(requestJob(JobID, Time))) because the fencing token 826fbfb893e4dbce095f5f1b1d75426b did not match the expected fencing token b42ecc60ee45cf65209ab2c2da88473a.
        at org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:81)
        at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:152)
        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$class.aroundReceive(Actor.scala:517)
        at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:225)
        at akka.actor.ActorCell.receiveMessage(ActorCell.scala:592)
        at akka.actor.ActorCell.invoke(ActorCell.scala:561)
        at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:258)
        at akka.dispatch.Mailbox.run(Mailbox.scala:225)
        at akka.dispatch.Mailbox.exec(Mailbox.scala:235)
        at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
        at akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
        at akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
        at akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
{code}

related logs:

[https://gist.github.com/qqibrow/27e5c3bce0b2830809bbfd0da8a0f91c]

 



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