java.lang.RuntimeException: Unable to fence NameNode at nn2.example.org/172.16.1.188:8040

Stack Overflow | user2660558 | 6 months ago
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    Stack Overflow | 6 months ago | user2660558
    java.lang.RuntimeException: Unable to fence NameNode at nn2.example.org/172.16.1.188:8040
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    Root Cause Analysis

    1. java.lang.RuntimeException

      Unable to fence NameNode at nn2.example.org/172.16.1.188:8040

      at org.apache.hadoop.ha.ZKFailoverController.doFence()
    2. Hadoop
      ActiveStandbyElector.processResult
      1. org.apache.hadoop.ha.ZKFailoverController.doFence(ZKFailoverController.java:533)
      2. org.apache.hadoop.ha.ZKFailoverController.fenceOldActive(ZKFailoverController.java:505)
      3. org.apache.hadoop.ha.ZKFailoverController.access$1100(ZKFailoverController.java:61)
      4. org.apache.hadoop.ha.ZKFailoverController$ElectorCallbacks.fenceOldActive(ZKFailoverController.java:892)
      5. org.apache.hadoop.ha.ActiveStandbyElector.fenceOldActive(ActiveStandbyElector.java:910)
      6. org.apache.hadoop.ha.ActiveStandbyElector.becomeActive(ActiveStandbyElector.java:809)
      7. org.apache.hadoop.ha.ActiveStandbyElector.processResult(ActiveStandbyElector.java:418)
      7 frames
    3. Zookeeper
      ClientCnxn$EventThread.run
      1. org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:599)
      2. org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:498)
      2 frames