Nico Kruber created FLINK-8750:
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Summary: InputGate may contain data after an EndOfPartitionEvent
Key: FLINK-8750
URL: https://issues.apache.org/jira/browse/FLINK-8750
Project: Flink
Issue Type: Sub-task
Components: Network
Reporter: Nico Kruber
Fix For: 1.5.0
The travis run at https://travis-ci.org/apache/flink/jobs/344425772 indicates
that there was still some data after an {{EndOfPartitionEvent}} or that
{{BufferOrEvent#moreAvailable}} contained the wrong value:
{code}
testOutputWithoutPk(org.apache.flink.table.runtime.stream.table.JoinITCase)
Time elapsed: 4.611 sec <<< ERROR!
org.apache.flink.runtime.client.JobExecutionException: Job execution failed.
at
org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply$mcV$sp(JobManager.scala:891)
at
org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply(JobManager.scala:834)
at
org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$6.apply(JobManager.scala:834)
at
scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24)
at
scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24)
at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:39)
at
akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:415)
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
at
scala.concurrent.forkjoin.ForkJoinPool$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.IllegalStateException: null
at
org.apache.flink.util.Preconditions.checkState(Preconditions.java:179)
at
org.apache.flink.runtime.io.network.partition.consumer.UnionInputGate.getNextBufferOrEvent(UnionInputGate.java:173)
at
org.apache.flink.streaming.runtime.io.BarrierTracker.getNextNonBlocked(BarrierTracker.java:94)
at
org.apache.flink.streaming.runtime.io.StreamTwoInputProcessor.processInput(StreamTwoInputProcessor.java:292)
at
org.apache.flink.streaming.runtime.tasks.TwoInputStreamTask.run(TwoInputStreamTask.java:115)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:308)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:703)
at java.lang.Thread.run(Thread.java:748)
{code}
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