[jira] [Commented] (FLINK-29234) Dead lock in DefaultLeaderElectionService

["Xintong Song (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-29234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17620883#comment-17620883 ] 

Xintong Song commented on FLINK-29234:
--------------------------------------

Looks like a valid bug to me. [~Weijie Guo], could you please take a look?

> Dead lock in DefaultLeaderElectionService
> -----------------------------------------
>
>                 Key: FLINK-29234
>                 URL: https://issues.apache.org/jira/browse/FLINK-29234
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Coordination
>    Affects Versions: 1.13.5, 1.14.5, 1.15.2
>            Reporter: Yu Wang
>            Assignee: Weijie Guo
>            Priority: Critical
>
> Jobmanager stop working because the deadlock in DefaultLeaderElectionService.
> The log stopped at
> {code:java}
> org.apache.flink.runtime.leaderelection.DefaultLeaderElectionService [] - Stopping DefaultLeaderElectionService. {code}
> Which may similar to this ticket https://issues.apache.org/jira/browse/FLINK-20008
> Here is the jstack info
> {code:java}
> Found one Java-level deadlock: ============================= "flink-akka.actor.default-dispatcher-18": waiting to lock monitor 0x00007f15c7eae3a8 (object 0x0000000678d395e8, a java.lang.Object), which is held by "main-EventThread" "main-EventThread": waiting to lock monitor 0x00007f15a3811258 (object 0x0000000678cf1be0, a java.lang.Object), which is held by "flink-akka.actor.default-dispatcher-18" Java stack information for the threads listed above: =================================================== "flink-akka.actor.default-dispatcher-18": at 
> org.apache.flink.runtime.leaderelection.DefaultLeaderElectionService.stop(DefaultLeaderElectionService.java:104) - waiting to lock <0x0000000678d395e8> (a java.lang.Object) at org.apache.flink.runtime.jobmaster.JobMasterServiceLeadershipRunner.lambda$closeAsync$0(JobMasterServiceLeadershipRunner.java:147) at org.apache.flink.runtime.jobmaster.JobMasterServiceLeadershipRunner$$Lambda$735/1742012752.run(Unknown Source) at org.apache.flink.runtime.concurrent.FutureUtils.lambda$runAfterwardsAsync$18(FutureUtils.java:687) at org.apache.flink.runtime.concurrent.FutureUtils$$Lambda$736/6716561.accept(Unknown Source) at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:774) at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:750) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at org.apache.flink.runtime.concurrent.DirectExecutorService.execute(DirectExecutorService.java:217) at java.util.concurrent.CompletableFuture$UniCompletion.claim(CompletableFuture.java:543) at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:765) at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:750) at java.util.concurrent.CompletableFuture.uniWhenCompleteStage(CompletableFuture.java:795) at java.util.concurrent.CompletableFuture.whenCompleteAsync(CompletableFuture.java:2163) at org.apache.flink.runtime.concurrent.FutureUtils.runAfterwardsAsync(FutureUtils.java:684) at org.apache.flink.runtime.concurrent.FutureUtils.runAfterwards(FutureUtils.java:651) at org.apache.flink.runtime.jobmaster.JobMasterServiceLeadershipRunner.closeAsync(JobMasterServiceLeadershipRunner.java:143) - locked <0x0000000678cf1be0> (a java.lang.Object) at org.apache.flink.runtime.dispatcher.Dispatcher.terminateJob(Dispatcher.java:807) at org.apache.flink.runtime.dispatcher.Dispatcher.terminateRunningJobs(Dispatcher.java:799) at org.apache.flink.runtime.dispatcher.Dispatcher.terminateRunningJobsAndGetTerminationFuture(Dispatcher.java:812) at org.apache.flink.runtime.dispatcher.Dispatcher.onStop(Dispatcher.java:268) at org.apache.flink.runtime.rpc.RpcEndpoint.internalCallOnStop(RpcEndpoint.java:214) at org.apache.flink.runtime.rpc.akka.AkkaRpcActor$StartedState.terminate(AkkaRpcActor.java:563) at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleControlMessage(AkkaRpcActor.java:186) at org.apache.flink.runtime.rpc.akka.AkkaRpcActor$$Lambda$444/1289054037.apply(Unknown Source) at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26) at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21) at scala.PartialFunction.applyOrElse(PartialFunction.scala:123) at scala.PartialFunction.applyOrElse$(PartialFunction.scala:122) at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:21) at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171) at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172) at akka.actor.Actor.aroundReceive(Actor.scala:517) at akka.actor.Actor.aroundReceive$(Actor.scala:515) at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:225) at akka.actor.ActorCell.receiveMessage(ActorCell.scala:592) at akka.actor.ActorCell.invoke(ActorCell.scala:561) at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:258) at akka.dispatch.Mailbox.run(Mailbox.scala:225) at akka.dispatch.Mailbox.exec(Mailbox.scala:235) at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) at akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) at akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) 
> "main-EventThread": at org.apache.flink.runtime.jobmaster.JobMasterServiceLeadershipRunner.runIfStateRunning(JobMasterServiceLeadershipRunner.java:468) - waiting to lock <0x0000000678cf1be0> (a java.lang.Object) at org.apache.flink.runtime.jobmaster.JobMasterServiceLeadershipRunner.grantLeadership(JobMasterServiceLeadershipRunner.java:248) at org.apache.flink.runtime.leaderelection.DefaultLeaderElectionService.onGrantLeadership(DefaultLeaderElectionService.java:211) - locked <0x0000000678d395e8> (a java.lang.Object) at org.apache.flink.runtime.leaderelection.ZooKeeperLeaderElectionDriver.isLeader(ZooKeeperLeaderElectionDriver.java:166) at org.apache.flink.shaded.curator4.org.apache.curator.framework.recipes.leader.LeaderLatch$9.apply(LeaderLatch.java:693) at org.apache.flink.shaded.curator4.org.apache.curator.framework.recipes.leader.LeaderLatch$9.apply(LeaderLatch.java:689) at org.apache.flink.shaded.curator4.org.apache.curator.framework.listen.ListenerContainer$1.run(ListenerContainer.java:100) at org.apache.flink.shaded.curator4.org.apache.curator.shaded.com.google.common.util.concurrent.DirectExecutor.execute(DirectExecutor.java:30) at org.apache.flink.shaded.curator4.org.apache.curator.framework.listen.ListenerContainer.forEach(ListenerContainer.java:92) at org.apache.flink.shaded.curator4.org.apache.curator.framework.recipes.leader.LeaderLatch.setLeadership(LeaderLatch.java:688) - locked <0x0000000678d39788> (a org.apache.flink.shaded.curator4.org.apache.curator.framework.recipes.leader.LeaderLatch) at org.apache.flink.shaded.curator4.org.apache.curator.framework.recipes.leader.LeaderLatch.checkLeadership(LeaderLatch.java:567) at org.apache.flink.shaded.curator4.org.apache.curator.framework.recipes.leader.LeaderLatch.access$700(LeaderLatch.java:65) at org.apache.flink.shaded.curator4.org.apache.curator.framework.recipes.leader.LeaderLatch$7.processResult(LeaderLatch.java:618) at org.apache.flink.shaded.curator4.org.apache.curator.framework.imps.CuratorFrameworkImpl.sendToBackgroundCallback(CuratorFrameworkImpl.java:883) at org.apache.flink.shaded.curator4.org.apache.curator.framework.imps.CuratorFrameworkImpl.processBackgroundOperation(CuratorFrameworkImpl.java:653) at org.apache.flink.shaded.curator4.org.apache.curator.framework.imps.WatcherRemovalFacade.processBackgroundOperation(WatcherRemovalFacade.java:152) at org.apache.flink.shaded.curator4.org.apache.curator.framework.imps.GetChildrenBuilderImpl$2.processResult(GetChildrenBuilderImpl.java:187) at org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:601) at org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:508) {code}



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