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https://issues.apache.org/jira/browse/BEAM-4528?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Luke Cwik resolved BEAM-4528.
-----------------------------
Resolution: Duplicate
Fix Version/s: Not applicable
> ReferenceRunner pipelineExecution flake
> ---------------------------------------
>
> Key: BEAM-4528
> URL: https://issues.apache.org/jira/browse/BEAM-4528
> Project: Beam
> Issue Type: Bug
> Components: runner-direct
> Reporter: Kenneth Knowles
> Assignee: Henning Rohde
> Priority: Critical
> Fix For: Not applicable
>
>
> https://builds.apache.org/job/beam_PreCommit_Java_GradleBuild/6303/testReport/junit/org.apache.beam.runners.direct.portable/ReferenceRunnerTest/pipelineExecution/
> {code}
> java.lang.IllegalStateException: sendHeaders has already been called
> at
> org.apache.beam.repackaged.beam_sdks_java_harness.com.google.common.base.Preconditions.checkState(Preconditions.java:444)
> at io.grpc.internal.ServerCallImpl.sendHeaders(ServerCallImpl.java:104)
> at
> io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onNext(ServerCalls.java:282)
> at
> org.apache.beam.sdk.fn.data.BeamFnDataBufferingOutboundObserver.close(BeamFnDataBufferingOutboundObserver.java:112)
> at
> org.apache.beam.runners.fnexecution.control.SdkHarnessClient$ActiveBundle.close(SdkHarnessClient.java:224)
> at
> org.apache.beam.runners.direct.portable.RemoteStageEvaluatorFactory$RemoteStageEvaluator.finishBundle(RemoteStageEvaluatorFactory.java:85)
> at
> org.apache.beam.runners.direct.portable.DirectTransformExecutor.finishBundle(DirectTransformExecutor.java:154)
> at
> org.apache.beam.runners.direct.portable.DirectTransformExecutor.run(DirectTransformExecutor.java:103)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Suppressed: java.lang.IllegalStateException: Processing bundle failed,
> TODO: [BEAM-3962] abort bundle.
> {code}
> std err:
> {code}
> Jun 09, 2018 5:21:31 AM org.apache.beam.sdk.coders.SerializableCoder
> checkEqualsMethodDefined
> WARNING: Can't verify serialized elements of type BoundedSource have well
> defined equals method. This may produce incorrect results on some
> PipelineRunner
> Jun 09, 2018 5:21:31 AM org.apache.beam.sdk.coders.SerializableCoder
> checkEqualsMethodDefined
> WARNING: Can't verify serialized elements of type BoundedSource have well
> defined equals method. This may produce incorrect results on some
> PipelineRunner
> {code}
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