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https://issues.apache.org/jira/browse/FLINK-1952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14516818#comment-14516818
]
Robert Metzger commented on FLINK-1952:
---------------------------------------
Also, I saw this error, maybe its helpful
{code}
Could not prepare the execution graph
org.apache.flink.runtime.executiongraph.ExecutionGraph@17646800 for archiving.
java.lang.IllegalStateException: SlotSharingGroup cannot clear task assignment,
group still has allocated resources.
at
org.apache.flink.runtime.jobmanager.scheduler.SlotSharingGroup.clearTaskAssignment(SlotSharingGroup.java:76)
at
org.apache.flink.runtime.executiongraph.ExecutionJobVertex.prepareForArchiving(ExecutionJobVertex.java:400)
at
org.apache.flink.runtime.executiongraph.ExecutionGraph.prepareForArchiving(ExecutionGraph.java:771)
at
org.apache.flink.runtime.jobmanager.JobManager.org$apache$flink$runtime$jobmanager$JobManager$$removeJob(JobManager.scala:675)
at
org.apache.flink.runtime.jobmanager.JobManager$$anonfun$receiveWithLogMessages$1.applyOrElse(JobManager.scala:329)
at
scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33)
at
scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33)
at
scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25)
at
org.apache.flink.yarn.ApplicationMasterActor$$anonfun$receiveYarnMessages$1.applyOrElse(ApplicationMasterActor.scala:99)
at scala.PartialFunction$OrElse.apply(PartialFunction.scala:162)
at
org.apache.flink.runtime.ActorLogMessages$$anon$1.apply(ActorLogMessages.scala:37)
at
org.apache.flink.runtime.ActorLogMessages$$anon$1.apply(ActorLogMessages.scala:30)
at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:118)
at
org.apache.flink.runtime.ActorLogMessages$$anon$1.applyOrElse(ActorLogMessages.scala:30)
at akka.actor.Actor$class.aroundReceive(Actor.scala:465)
at
org.apache.flink.runtime.jobmanager.JobManager.aroundReceive(JobManager.scala:94)
at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)
at akka.actor.ActorCell.invoke(ActorCell.scala:487)
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:254)
at akka.dispatch.Mailbox.run(Mailbox.scala:221)
at akka.dispatch.Mailbox.exec(Mailbox.scala:231)
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)
{code}
> Cannot run ConnectedComponents example: Could not allocate a slot on instance
> -----------------------------------------------------------------------------
>
> Key: FLINK-1952
> URL: https://issues.apache.org/jira/browse/FLINK-1952
> Project: Flink
> Issue Type: Bug
> Components: Scheduler
> Affects Versions: 0.9
> Reporter: Robert Metzger
>
> Steps to reproduce
> {code}
> ./bin/yarn-session.sh -n 350
> {code}
> ... wait until they are connected ...
> {code}
> Number of connected TaskManagers changed to 266. Slots available: 266
> Number of connected TaskManagers changed to 323. Slots available: 323
> Number of connected TaskManagers changed to 334. Slots available: 334
> Number of connected TaskManagers changed to 343. Slots available: 343
> Number of connected TaskManagers changed to 350. Slots available: 350
> {code}
> Start CC
> {code}
> ./bin/flink run -p 350
> ./examples/flink-java-examples-0.9-SNAPSHOT-ConnectedComponents.jar
> {code}
> ---> it runs
> Run KMeans, let it fail with
> {code}
> Failed to deploy the task Map (Map at main(KMeans.java:100)) (1/350) -
> execution #0 to slot SimpleSlot (2)(2)(0) - 182b7661ca9547a84591de940c47a200
> - ALLOCATED/ALIVE: java.io.IOException: Insufficient number of network
> buffers: required 350, but only 254 available. The total number of network
> buffers is currently set to 2048. You can increase this number by setting the
> configuration key 'taskmanager.network.numberOfBuffers'.
> {code}
> ... as expected.
> (I've waited for 10 minutes between the two submissions)
> Starting CC now will fail:
> {code}
> ./bin/flink run -p 350
> ./examples/flink-java-examples-0.9-SNAPSHOT-ConnectedComponents.jar
> {code}
> Error message(s):
> {code}
> Caused by: java.lang.IllegalStateException: Could not schedule consumer
> vertex IterationHead(WorksetIteration (Unnamed Delta Iteration)) (19/350)
> at
> org.apache.flink.runtime.executiongraph.Execution$3.call(Execution.java:479)
> at
> org.apache.flink.runtime.executiongraph.Execution$3.call(Execution.java:469)
> at akka.dispatch.Futures$$anonfun$future$1.apply(Future.scala:94)
> at
> scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24)
> at
> scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24)
> at
> scala.concurrent.impl.ExecutionContextImpl$$anon$3.exec(ExecutionContextImpl.scala:107)
> ... 4 more
> Caused by:
> org.apache.flink.runtime.jobmanager.scheduler.NoResourceAvailableException:
> Could not allocate a slot on instance 4a6d761cb084c32310ece1f849556faf @
> cloud-19 - 1 slots - URL:
> akka.tcp://[email protected]:51400/user/taskmanager, as required by the
> co-location constraint.
> at
> org.apache.flink.runtime.jobmanager.scheduler.Scheduler.scheduleTask(Scheduler.java:247)
> at
> org.apache.flink.runtime.jobmanager.scheduler.Scheduler.scheduleImmediately(Scheduler.java:110)
> at
> org.apache.flink.runtime.executiongraph.Execution.scheduleForExecution(Execution.java:262)
> at
> org.apache.flink.runtime.executiongraph.ExecutionVertex.scheduleForExecution(ExecutionVertex.java:436)
> at
> org.apache.flink.runtime.executiongraph.Execution$3.call(Execution.java:475)
> ... 9 more
> {code}
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