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  1. Zeppelin
  2. ZEPPELIN-4569

Zeppelin Ipython interpreter is not closing properly.

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    Details

    • Type: Bug
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 0.8.2
    • Fix Version/s: None
    • Component/s: zeppelin-interpreter
    • Labels:
      None
    • Environment:

      JDK 1.8.0

      Apache Zeppelin 0.8.2

      Description

      io.grpc.internal.SerializingExecutor run
      SEVERE: Exception while executing runnable io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1MessagesAvailable@619fd7d
      java.lang.NullPointerException
       at io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:434)
       at io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39)
       at io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23)
       at io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40)
       at io.grpc.internal.CensusStatsModule$StatsClientInterceptor$1$1.onClose(CensusStatsModule.java:678)
       at io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39)
       at io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23)
       at io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40)
       at io.grpc.internal.CensusTracingModule$TracingClientInterceptor$1$1.onClose(CensusTracingModule.java:403)
       at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:459)
       at io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:63)
       at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.close(ClientCallImpl.java:546)
       at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.access$600(ClientCallImpl.java:467)
       at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1MessagesAvailable.runInContext(ClientCallImpl.java:531)
       at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
       at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
       at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
       at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
       at java.base/java.lang.Thread.run(Thread.java:834)
      
      The problem must be in io.grpc. Could anyone help?

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            • Assignee:
              Unassigned
              Reporter:
              loghijiaha Loghi Perinpanayagam
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              Dates

              • Created:
                Updated: