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  1. Hadoop Distributed Data Store
  2. HDDS-1752

ConcurrentModificationException while handling DeadNodeHandler event

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    • Target Version/s:
    • Sprint:
      HDDS Biscayne

      Description

      ConcurrentModificationException while handling DeadNodeHandler event

      2019-07-02 19:29:25,190 ERROR events.SingleThreadExecutor (SingleThreadExecutor.java:lambda$onMessage$1(88)) - Error on execution message 56591ec5-c9e4-416c-9a36-db0507739fe5{ip: 192.168.0.2, host: 192.16
      8.0.2, networkLocation: /default-rack, certSerialId: null}
      java.util.ConcurrentModificationException
              at java.util.HashMap$HashIterator.nextNode(HashMap.java:1442)
              at java.util.HashMap$KeyIterator.next(HashMap.java:1466)
              at java.lang.Iterable.forEach(Iterable.java:74)
              at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080)
              at org.apache.hadoop.hdds.scm.node.DeadNodeHandler.lambda$destroyPipelines$1(DeadNodeHandler.java:99)
              at java.util.Optional.ifPresent(Optional.java:159)
              at org.apache.hadoop.hdds.scm.node.DeadNodeHandler.destroyPipelines(DeadNodeHandler.java:98)
              at org.apache.hadoop.hdds.scm.node.DeadNodeHandler.onMessage(DeadNodeHandler.java:78)
              at org.apache.hadoop.hdds.scm.node.DeadNodeHandler.onMessage(DeadNodeHandler.java:44)
              at org.apache.hadoop.hdds.server.events.SingleThreadExecutor.lambda$onMessage$1(SingleThreadExecutor.java:85)
              at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
              at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
              at java.lang.Thread.run(Thread.java:748)
      

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              • Assignee:
                hgadre Hrishikesh Gadre
                Reporter:
                msingh Mukul Kumar Singh
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