[jira] [Commented] (FLINK-6997) SavepointITCase fails in master branch sometimes

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

    [ https://issues.apache.org/jira/browse/FLINK-6997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16545624#comment-16545624 ] 

Chesnay Schepler commented on FLINK-6997:
-----------------------------------------

Tried reproducing this locally but failed to do so in several hundred runs for both legacy/new mode.

At this point I'm inclined to close this as {{Cannot reproduce}}. In any case we should look into improving the error message to specify which task wasn't running and in which state it was.

> SavepointITCase fails in master branch sometimes
> ------------------------------------------------
>
>                 Key: FLINK-6997
>                 URL: https://issues.apache.org/jira/browse/FLINK-6997
>             Project: Flink
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 1.3.0, 1.5.0
>            Reporter: Ted Yu
>            Priority: Critical
>              Labels: test-stability
>             Fix For: 1.5.2, 1.6.0
>
>
> I got the following test failure (with commit a0b781461bcf8c2f1d00b93464995f03eda589f1)
> {code}
> testSavepointForJobWithIteration(org.apache.flink.test.checkpointing.SavepointITCase)  Time elapsed: 8.129 sec  <<< ERROR!
> java.io.IOException: java.lang.Exception: Failed to complete savepoint
>   at org.apache.flink.runtime.testingUtils.TestingCluster.triggerSavepoint(TestingCluster.scala:342)
>   at org.apache.flink.runtime.testingUtils.TestingCluster.triggerSavepoint(TestingCluster.scala:316)
>   at org.apache.flink.test.checkpointing.SavepointITCase.testSavepointForJobWithIteration(SavepointITCase.java:827)
> Caused by: java.lang.Exception: Failed to complete savepoint
>   at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anon$7.apply(JobManager.scala:821)
>   at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anon$7.apply(JobManager.scala:805)
>   at org.apache.flink.runtime.concurrent.impl.FlinkFuture$5.onComplete(FlinkFuture.java:272)
>   at akka.dispatch.OnComplete.internal(Future.scala:247)
>   at akka.dispatch.OnComplete.internal(Future.scala:245)
>   at akka.dispatch.japi$CallbackBridge.apply(Future.scala:175)
>   at akka.dispatch.japi$CallbackBridge.apply(Future.scala:172)
>   at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:32)
>   at akka.dispatch.BatchingExecutor$AbstractBatch.processBatch(BatchingExecutor.scala:55)
>   at akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply$mcV$sp(BatchingExecutor.scala:91)
>   at akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply(BatchingExecutor.scala:91)
>   at akka.dispatch.BatchingExecutor$BlockableBatch$$anonfun$run$1.apply(BatchingExecutor.scala:91)
>   at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:72)
>   at akka.dispatch.BatchingExecutor$BlockableBatch.run(BatchingExecutor.scala:90)
>   at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:40)
>   at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:397)
>   at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
>   at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
>   at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
>   at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> Caused by: java.lang.Exception: Failed to trigger savepoint: Not all required tasks are currently running.
>   at org.apache.flink.runtime.checkpoint.CheckpointCoordinator.triggerSavepoint(CheckpointCoordinator.java:382)
>   at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1.applyOrElse(JobManager.scala:800)
>   at scala.runtime.AbstractPartialFunction$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.runtime.testingUtils.TestingJobManagerLike$$anonfun$handleTestingMessage$1.applyOrElse(TestingJobManagerLike.scala:95)
>   at scala.PartialFunction$OrElse.apply(PartialFunction.scala:162)
>   at org.apache.flink.runtime.LeaderSessionMessageFilter$$anonfun$receive$1.applyOrElse(LeaderSessionMessageFilter.scala:38)
>   at scala.runtime.AbstractPartialFunction$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.runtime.LogMessages$$anon$1.apply(LogMessages.scala:33)
>   at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:28)
>   at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:118)
> {code}



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