Daniel Oliveira created BEAM-6238:
-------------------------------------

             Summary: ULR shows error when successfully finishing a job: 
"StatusRuntimeException: CANCELLED: cancelled before receiving half close"
                 Key: BEAM-6238
                 URL: https://issues.apache.org/jira/browse/BEAM-6238
             Project: Beam
          Issue Type: Bug
          Components: runner-direct
            Reporter: Daniel Oliveira
            Assignee: Daniel Oliveira


When the ULR finishes running a job, it seems to always end with the following 
error:
{noformat}
[grpc-default-executor-0] ERROR 
org.apache.beam.repackaged.beam_runners_direct_java.sdk.fn.data.BeamFnDataGrpcMultiplexer
 - Failed to handle for unknown endpoint
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.StatusRuntimeException: CANCELLED: 
cancelled before receiving half close
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.Status.asRuntimeException(Status.java:517)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onCancel(ServerCalls.java:272)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.PartialForwardingServerCallListener.onCancel(PartialForwardingServerCallListener.java:40)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.ForwardingServerCallListener.onCancel(ForwardingServerCallListener.java:23)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.ForwardingServerCallListener$SimpleForwardingServerCallListener.onCancel(ForwardingServerCallListener.java:40)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.Contexts$ContextualizedServerCallListener.onCancel(Contexts.java:96)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closed(ServerCallImpl.java:293)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1Closed.runInContext(ServerImpl.java:738)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
 at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 at java.lang.Thread.run(Thread.java:748)
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.StatusRuntimeException: CANCELLED: 
cancelled before receiving half close
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.Status.asRuntimeException(Status.java:517)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onCancel(ServerCalls.java:272)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.PartialForwardingServerCallListener.onCancel(PartialForwardingServerCallListener.java:40)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.ForwardingServerCallListener.onCancel(ForwardingServerCallListener.java:23)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.ForwardingServerCallListener$SimpleForwardingServerCallListener.onCancel(ForwardingServerCallListener.java:40)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.Contexts$ContextualizedServerCallListener.onCancel(Contexts.java:96)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closed(ServerCallImpl.java:293)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1Closed.runInContext(ServerImpl.java:738)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
 at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 at java.lang.Thread.run(Thread.java:748)
[grpc-default-executor-38] WARN 
org.apache.beam.repackaged.beam_runners_direct_java.runners.fnexecution.logging.GrpcLoggingService
 - Beam Fn Logging client failed to be complete.
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.StatusRuntimeException: CANCELLED: 
call already cancelled
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.Status.asRuntimeException(Status.java:517)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:356)
 at 
org.apache.beam.repackaged.beam_runners_direct_java.runners.fnexecution.logging.GrpcLoggingService.completeIfNotNull(GrpcLoggingService.java:78)
 at 
org.apache.beam.repackaged.beam_runners_direct_java.runners.fnexecution.logging.GrpcLoggingService.access$400(GrpcLoggingService.java:33)
 at 
org.apache.beam.repackaged.beam_runners_direct_java.runners.fnexecution.logging.GrpcLoggingService$InboundObserver.onError(GrpcLoggingService.java:105)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onCancel(ServerCalls.java:269)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.PartialForwardingServerCallListener.onCancel(PartialForwardingServerCallListener.java:40)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.ForwardingServerCallListener.onCancel(ForwardingServerCallListener.java:23)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.ForwardingServerCallListener$SimpleForwardingServerCallListener.onCancel(ForwardingServerCallListener.java:40)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.Contexts$ContextualizedServerCallListener.onCancel(Contexts.java:96)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closed(ServerCallImpl.java:293)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1Closed.runInContext(ServerImpl.java:738)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
 at 
org.apache.beam.vendor.grpc.v1_13_1.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
 at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 at java.lang.Thread.run(Thread.java:748)
[reference-runner-pipeline-0] WARN 
org.apache.beam.repackaged.beam_runners_direct_java.sdk.fn.data.BeamFnDataGrpcMultiplexer
 - Hanged up for unknown endpoint.{noformat}
This error doesn't seem to cause any problems, but it is noise and very 
unintuitive for newcomers, so it should get fixed. Otherwise I can see a lot of 
time being wasted due to people assuming it's the cause of unrelated failures.



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