I am seeing this weird issue where I do a save point with cancel on a job
on k8s and it hangs for 5 minutes ( no INFO logs ) and then exits with code
of 2.
2019-04-23 17:36:31,372 INFO
org.apache.flink.runtime.jobmaster.MiniDispatcherRestEndpoint - Shutting
down rest endpoint.
2019-04-23 17:36:31,374 INFO
org.apache.flink.runtime.leaderretrieval.ZooKeeperLeaderRetrievalService -
Stopping ZooKeeperLeaderRetrievalService /leader/resource_manager_lock.
2019-04-23 17:36:31,377 INFO
org.apache.flink.runtime.jobmaster.slotpool.SlotPoolImpl - Suspending
SlotPool.
2019-04-23 17:36:31,378 DEBUG org.apache.flink.runtime.jobmaster.JobMaster
- Close ResourceManager connection
181a4fd61044033a2ea32e384096247f.
org.apache.flink.util.FlinkException: JobManager is shutting down.
at org.apache.flink.runtime.jobmaster.JobMaster.onStop(JobMaster.java:365)
at
org.apache.flink.runtime.rpc.akka.AkkaRpcActor$StartedState.terminate(AkkaRpcActor.java:504)
at
org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleControlMessage(AkkaRpcActor.java:170)
at
org.apache.flink.runtime.rpc.akka.AkkaRpcActor.onReceive(AkkaRpcActor.java:142)
at
org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.onReceive(FencedAkkaRpcActor.java:40)
at
akka.actor.UntypedActor$$anonfun$receive$1.applyOrElse(UntypedActor.scala:165)
at akka.actor.Actor$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$WorkQueue.runTask(ForkJoinPool.java:1339)
at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
at
scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
2019-04-23 17:36:31,381 INFO
org.apache.flink.runtime.jobmaster.slotpool.SlotPoolImpl - Stopping
SlotPool.
2019-04-23 17:36:31,381 INFO
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager -
Disconnect job manager a41a5dceae5ad3664ff1f0b79f3e47ef
@akka.tcp://flink@kafka-to-prometheus:6123/user/jobmanager_0 for job
00000000000000000000000000000000 from the resource manager.
2019-04-23 17:36:31,385 INFO
org.apache.flink.runtime.leaderelection.ZooKeeperLeaderElectionService -
Stopping ZooKeeperLeaderElectionService
ZooKeeperLeaderElectionService{leaderPath='/leader/00000000000000000000000000000000/job_manager_lock'}.
and after 5 minutes ..
019-04-23 17:41:32,187 DEBUG
org.apache.flink.shaded.netty4.io.netty.buffer.PoolThreadCache - Freed 8
thread-local buffer(s) from thread: Finalizer
2019-04-23 17:41:32,198 INFO
org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopped
Akka RPC service.
2019-04-23 17:41:32,200 INFO
org.apache.flink.runtime.entrypoint.ClusterEntrypoint
- Terminating cluster entrypoint process
StandaloneJobClusterEntryPoint with exit code 2.
java.util.concurrent.TimeoutException
at
org.apache.flink.runtime.concurrent.FutureUtils$Timeout.run(FutureUtils.java:942)
at
org.apache.flink.runtime.concurrent.DirectExecutorService.execute(DirectExecutorService.java:211)
at
org.apache.flink.runtime.concurrent.FutureUtils.lambda$orTimeout$11(FutureUtils.java:360)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
In the interim, I get this at a regular clip
2019-04-23 17:37:02,452 DEBUG
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Release
TaskExecutor 3752235c49428b94a0520f04266973eb because it exceeded the idle
timeout.
2019-04-23 17:37:02,453 DEBUG
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager -
Worker 68c5fbd67ac2bbe6fc35ed068ce1c4b1 could not be stopped.
Any ideas as to whether it is this inability to shut down the Worker that
is causing this issue ?
Regards.
