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  1. Flink
  2. FLINK-18595

Deadlock during job shutdown

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      https://travis-ci.org/github/apache/flink/jobs/707843779

      Found one Java-level deadlock:
      =============================
      "Canceler for Flat Map -> Sink: Unnamed (9/12) (b87b3f2cae66987d94399f12d7fb4641).":
        waiting to lock monitor 0x00007f51f655e228 (object 0x00000000812b9180, a org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel$AvailableBufferQueue),
        which is held by "Flat Map -> Sink: Unnamed (9/12)"
      "Flat Map -> Sink: Unnamed (9/12)":
        waiting to lock monitor 0x000055fb00bb4b88 (object 0x00000000812b9210, a org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel$AvailableBufferQueue),
        which is held by "Canceler for Flat Map -> Sink: Unnamed (9/12) (b87b3f2cae66987d94399f12d7fb4641)."
      
      Java stack information for the threads listed above:
      ===================================================
      "Canceler for Flat Map -> Sink: Unnamed (9/12) (b87b3f2cae66987d94399f12d7fb4641).":
      	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:360)
      	- waiting to lock <0x00000000812b9180> (a org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel$AvailableBufferQueue)
      	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.fireBufferAvailableNotification(LocalBufferPool.java:315)
      	at org.apache.flink.runtime.io.network.b4511: No such processuffer.LocalBufferPool.recycle(LocalBufferPool.java:305)
      	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:197)
      	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.handleRelease(AbstractReferenceCountedByteBuf.java:110)
      	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:100)
      	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:171)
      	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel$AvailableBufferQueue.releaseAll(RemoteInputChannel.java:665)
      	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.releaseAllResources(RemoteInputChannel.java:254)
      	- locked <0x00000000812b9210> (a org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel$AvailableBufferQueue)
      	at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.close(SingleInputGate.java:431)
      	- locked <0x0000000080ba2488> (a java.lang.Object)
      	at org.apache.flink.runtime.taskmanager.InputGateWithMetrics.close(InputGateWithMetrics.java:85)
      	at org.apache.flink.runtime.taskmanager.Task.closeNetworkResources(Task.java:901)
      	at org.apache.flink.runtime.taskmanager.Task$$Lambda$434/985222953.run(Unknown Source)
      	at org.apache.flink.runtime.taskmanager.Task$TaskCanceler.run(Task.java:1370)
      	at java.lang.Thread.run(Thread.java:748)
      "Flat Map -> Sink: Unnamed (9/12)":
      	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.notifyBufferAvailable(RemoteInputChannel.java:360)
      	- waiting to lock <0x00000000812b9210> (a org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel$AvailableBufferQueue)
      	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.fireBufferAvailableNotification(LocalBufferPool.java:315)
      	at org.apache.flink.runtime.io.network.buffer.LocalBufferPool.recycle(LocalBufferPool.java:305)
      	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:197)
      	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.handleRelease(AbstractReferenceCountedByteBuf.java:110)
      	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:100)
      	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:171)
      	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel$AvailableBufferQueue.addExclusiveBuffer(RemoteInputChannel.java:629)
      	at org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.recycle(RemoteInputChannel.java:314)
      	- locked <0x00000000812b9180> (a org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel$AvailableBufferQueue)
      	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.deallocate(NetworkBuffer.java:197)
      	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.handleRelease(AbstractReferenceCountedByteBuf.java:110)
      	at org.apache.flink.shaded.netty4.io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:100)
      	at org.apache.flink.runtime.io.network.buffer.NetworkBuffer.recycleBuffer(NetworkBuffer.java:171)
      	at org.apache.flink.streaming.runtime.io.CachedBufferStorage.close(CachedBufferStorage.java:113)
      	at org.apache.flink.streaming.runtime.io.CheckpointedInputGate.cleanup(CheckpointedInputGate.java:216)
      	at org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.close(StreamTaskNetworkInput.java:208)
      	at org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.close(StreamOneInputProcessor.java:82)
      	at org.apache.flink.streaming.runtime.tasks.StreamTask.cleanup(StreamTask.java:298)
      	at org.apache.flink.streaming.runtime.tasks.StreamTask.cleanUpInvoke(StreamTask.java:555)
      	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:480)
      	at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:708)
      	at org.apache.flink.runtime.taskmanager.T
      ask.run(Task.java:533)
      	at java.lang.Thread.run(Thread.java:748)
      
      Found 1 deadlock.
      

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            • Assignee:
              zjwang Zhijiang
              Reporter:
              dian.fu Dian Fu
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              • Created:
                Updated:
                Resolved: