[jira] [Created] (FLINK-8813) AutoParallellismITCase fails with Flip6

["Chesnay Schepler (JIRA)" <ji...@apache.org>]

Chesnay Schepler created FLINK-8813:
---------------------------------------

             Summary: AutoParallellismITCase fails with Flip6
                 Key: FLINK-8813
                 URL: https://issues.apache.org/jira/browse/FLINK-8813
             Project: Flink
          Issue Type: Bug
          Components: JobManager, Tests
    Affects Versions: 1.5.0
            Reporter: Chesnay Schepler
             Fix For: 1.5.0


The {{AutoParallelismITCase}} fails when running against flip6. ([https://travis-ci.org/zentol/flink/jobs/347373854)]

It appears that the {{JobMaster}} does not properly handle {{ExecutionConfig#PARALLELISM_AUTO_MAX}}.

 

Exception:
{code:java}

Caused by: org.apache.flink.runtime.client.JobSubmissionException: Could not start JobManager.
	at org.apache.flink.runtime.dispatcher.Dispatcher.submitJob(Dispatcher.java:287)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcInvocation(AkkaRpcActor.java:210)
	at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:154)
	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$WorkQueue.runTask(ForkJoinPool.java:1339)
	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
Caused by: org.apache.flink.runtime.client.JobExecutionException: Could not set up JobManager
	at org.apache.flink.runtime.jobmaster.JobManagerRunner.<init>(JobManagerRunner.java:181)
	at org.apache.flink.runtime.dispatcher.Dispatcher$DefaultJobManagerRunnerFactory.createJobManagerRunner(Dispatcher.java:747)
	at org.apache.flink.runtime.dispatcher.Dispatcher.submitJob(Dispatcher.java:243)
	... 20 more
Caused by: java.lang.IllegalArgumentException: The parallelism must be at least one.
	at org.apache.flink.runtime.jobgraph.JobVertex.setParallelism(JobVertex.java:290)
	at org.apache.flink.runtime.executiongraph.ExecutionGraphBuilder.buildGraph(ExecutionGraphBuilder.java:162)
	at org.apache.flink.runtime.jobmaster.JobMaster.<init>(JobMaster.java:295)
	at org.apache.flink.runtime.jobmaster.JobManagerRunner.<init>(JobManagerRunner.java:170)
	... 22 more{code}
 

The likely culprit is this call to {{ExecutionGraphBuilder#buildGraph}} in the {{JobMaster}} constructor:
{code:java}
this.executionGraph = ExecutionGraphBuilder.buildGraph(
   null,
   jobGraph,
   jobMasterConfiguration.getConfiguration(),
   scheduledExecutorService,
   scheduledExecutorService,
   slotPool.getSlotProvider(),
   userCodeLoader,
   highAvailabilityServices.getCheckpointRecoveryFactory(),
   rpcTimeout,
   restartStrategy,
   jobMetricGroup,
   -1, // parallelismForAutoMax
   blobServer,
   jobMasterConfiguration.getSlotRequestTimeout(),
   log);{code}



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