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From "Stefan Richter (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-6507) Potential bug in ContinuousFileProcessing
Date Tue, 09 May 2017 09:32:04 GMT
Stefan Richter created FLINK-6507:
-------------------------------------

             Summary: Potential bug in ContinuousFileProcessing
                 Key: FLINK-6507
                 URL: https://issues.apache.org/jira/browse/FLINK-6507
             Project: Flink
          Issue Type: Bug
          Components: Batch Connectors and Input/Output Formats
    Affects Versions: 1.3.0
            Reporter: Stefan Richter


After changing the fork parallelism of {{flink-tests}} on Travis, I saw this test fail sometimes:

{code}
Running org.apache.flink.test.checkpointing.ContinuousFileProcessingCheckpointITCase

org.apache.flink.runtime.client.JobExecutionException: Job execution failed.

	at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$7.apply$mcV$sp(JobManager.scala:933)

	at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$7.apply(JobManager.scala:876)

	at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$7.apply(JobManager.scala:876)

	at scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24)

	at scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24)

	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: Task Failure @ elem: 604 / 87

	at org.apache.flink.test.checkpointing.ContinuousFileProcessingCheckpointITCase$TestingSinkFunction.invoke(ContinuousFileProcessingCheckpointITCase.java:227)

	at org.apache.flink.test.checkpointing.ContinuousFileProcessingCheckpointITCase$TestingSinkFunction.invoke(ContinuousFileProcessingCheckpointITCase.java:166)

	at org.apache.flink.streaming.api.operators.StreamSink.processElement(StreamSink.java:41)

	at org.apache.flink.streaming.runtime.io.StreamInputProcessor.processInput(StreamInputProcessor.java:206)

	at org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.run(OneInputStreamTask.java:69)

	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:262)

	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:702)

	at java.lang.Thread.run(Thread.java:745)

Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 8.083 sec <<< FAILURE!
- in org.apache.flink.test.checkpointing.ContinuousFileProcessingCheckpointITCase
{code}



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