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https://issues.apache.org/jira/browse/FLINK-8902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Gary Yao updated FLINK-8902:
----------------------------
Labels: flip6 (was: )
> Re-scaling job sporadically fails with KeeperException
> ------------------------------------------------------
>
> Key: FLINK-8902
> URL: https://issues.apache.org/jira/browse/FLINK-8902
> Project: Flink
> Issue Type: Bug
> Components: Distributed Coordination
> Affects Versions: 1.5.0, 1.6.0
> Environment: Commit: 80020cb
> Hadoop: 2.8.3
> YARN
>
> Reporter: Gary Yao
> Priority: Blocker
> Labels: flip6
> Fix For: 1.5.0
>
>
> *Description*
> Re-scaling a job with {{bin/flink modify -p <new_parallelism>}} sporadically
> fails with a {{KeeperException}}
> *Steps to reproduce*
> # Submit job to Flink cluster running on YARN (session mode).
> # Re-scale job (5-20 times)
> *Stacktrace (client)*
> {noformat}
> 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
> {noformat}
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