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  1. Flink
  2. FLINK-8902

Re-scaling job sporadically fails with KeeperException

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Critical
    • Resolution: Not A Problem
    • Affects Version/s: 1.5.0, 1.6.0
    • Fix Version/s: None
    • Component/s: Runtime / Coordination
    • Labels:
    • Environment:

      Commit: 80020cb

      Hadoop: 2.8.3

      YARN

       

      Description

      Description
      Re-scaling a job with bin/flink modify -p <new_parallelism> sporadically fails with a KeeperException

      Steps to reproduce

      1. Submit job to Flink cluster with flip6 enabled running on YARN (session mode).
      2. Re-scale job (5-20 times)

      Stacktrace (client)

      org.apache.flink.util.FlinkException: Could not rescale job 61e2e99db2e959ebd94e40f9c5e816bc.
      	at org.apache.flink.client.cli.CliFrontend.lambda$modify$8(CliFrontend.java:766)
      	at org.apache.flink.client.cli.CliFrontend.runClusterAction(CliFrontend.java:954)
      	at org.apache.flink.client.cli.CliFrontend.modify(CliFrontend.java:757)
      	at org.apache.flink.client.cli.CliFrontend.parseParameters(CliFrontend.java:1037)
      	at org.apache.flink.client.cli.CliFrontend.lambda$main$9(CliFrontend.java:1095)
      	at java.security.AccessController.doPrivileged(Native Method)
      	at javax.security.auth.Subject.doAs(Subject.java:422)
      	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1836)
      	at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
      	at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1095)
      Caused by: java.util.concurrent.CompletionException: org.apache.flink.runtime.jobmaster.exceptions.JobModificationException: Could not restore from temporary rescaling savepoint. This might indicate that the savepoint hdfs://172.31.33.72:9000/flinkha/savepoints/savepoint-61e2e9-fdb3d05a0035 got corrupted. Deleting this savepoint as a precaution.
      	at org.apache.flink.runtime.jobmaster.JobMaster.lambda$rescaleOperators$3(JobMaster.java:525)
      	at java.util.concurrent.CompletableFuture.uniHandle(CompletableFuture.java:822)
      	at java.util.concurrent.CompletableFuture$UniHandle.tryFire(CompletableFuture.java:797)
      	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
      	at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRunAsync(AkkaRpcActor.java:295)
      	at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:150)
      	at org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleMessage(FencedAkkaRpcActor.java:66)
      	at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.lambda$onReceive$1(AkkaRpcActor.java:132)
      	at akka.actor.ActorCell$$anonfun$become$1.applyOrElse(ActorCell.scala:544)
      	at akka.actor.Actor$class.aroundReceive(Actor.scala:502)
      	at akka.actor.UntypedActor.aroundReceive(UntypedActor.scala:95)
      	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526)
      	at akka.actor.ActorCell.invoke(ActorCell.scala:495)
      	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257)
      	at akka.dispatch.Mailbox.run(Mailbox.scala:224)
      	at akka.dispatch.Mailbox.exec(Mailbox.scala:234)
      	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
      	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
      	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
      	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
      Caused by: org.apache.flink.runtime.jobmaster.exceptions.JobModificationException: Could not restore from temporary rescaling savepoint. This might indicate that the savepoint hdfs://172.31.33.72:9000/flinkha/savepoints/savepoint-61e2e9-fdb3d05a0035 got corrupted. Deleting this savepoint as a precaution.
      	at org.apache.flink.runtime.jobmaster.JobMaster.lambda$restoreExecutionGraphFromRescalingSavepoint$17(JobMaster.java:1317)
      	at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:602)
      	at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577)
      	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
      	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
      	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
      	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
      	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
      	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      	at java.lang.Thread.run(Thread.java:748)
      Caused by: java.util.ConcurrentModificationException: ZooKeeper unexpectedly modified
      	at org.apache.flink.runtime.zookeeper.ZooKeeperStateHandleStore.addAndLock(ZooKeeperStateHandleStore.java:168)
      	at org.apache.flink.runtime.checkpoint.ZooKeeperCompletedCheckpointStore.addCheckpoint(ZooKeeperCompletedCheckpointStore.java:233)
      	at org.apache.flink.runtime.checkpoint.CheckpointCoordinator.restoreSavepoint(CheckpointCoordinator.java:1088)
      	at org.apache.flink.runtime.jobmaster.JobMaster.tryRestoreExecutionGraphFromSavepoint(JobMaster.java:1161)
      	at org.apache.flink.runtime.jobmaster.JobMaster.lambda$restoreExecutionGraphFromRescalingSavepoint$17(JobMaster.java:1297)
      	... 10 more
      Caused by: org.apache.flink.shaded.zookeeper.org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode = NodeExists
      	at org.apache.flink.shaded.zookeeper.org.apache.zookeeper.KeeperException.create(KeeperException.java:119)
      	at org.apache.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper.multiInternal(ZooKeeper.java:1006)
      	at org.apache.flink.shaded.zookeeper.org.apache.zookeeper.ZooKeeper.multi(ZooKeeper.java:910)
      	at org.apache.flink.shaded.curator.org.apache.curator.framework.imps.CuratorTransactionImpl.doOperation(CuratorTransactionImpl.java:159)
      	at org.apache.flink.shaded.curator.org.apache.curator.framework.imps.CuratorTransactionImpl.access$200(CuratorTransactionImpl.java:44)
      	at org.apache.flink.shaded.curator.org.apache.curator.framework.imps.CuratorTransactionImpl$2.call(CuratorTransactionImpl.java:129)
      	at org.apache.flink.shaded.curator.org.apache.curator.framework.imps.CuratorTransactionImpl$2.call(CuratorTransactionImpl.java:125)
      	at org.apache.flink.shaded.curator.org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:109)
      	at org.apache.flink.shaded.curator.org.apache.curator.framework.imps.CuratorTransactionImpl.commit(CuratorTransactionImpl.java:122)
      	at org.apache.flink.runtime.zookeeper.ZooKeeperStateHandleStore.addAndLock(ZooKeeperStateHandleStore.java:162)
      	... 14 more
      

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              • Assignee:
                azagrebin Andrey Zagrebin
                Reporter:
                gjy Gary Yao
              • Votes:
                2 Vote for this issue
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                Dates

                • Created:
                  Updated:
                  Resolved: