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

Stack Overflow | user2660558 | 2 months ago
  1. 0

    HA-Namenode failover failed by killing the whole Server

    Stack Overflow | 2 months ago | user2660558
    java.lang.RuntimeException: Unable to fence NameNode at nn2.example.org/172.16.1.188:8040
  2. 0

    Apache Hadoop user mailing list

    gmane.org | 1 year ago
    java.lang.RuntimeException: Unable to fence NameNode at hadoop3/
  3. 0

    auto-failover does not work

    hadoop-user | 3 years ago | YouPeng Yang
    java.lang.RuntimeException: Unable to fence NameNode at hadoop3/ 10.7.23.124:8020
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  5. 0

    auto-failover does not work

    hadoop-mapreduce-user | 3 years ago | YouPeng Yang
    java.lang.RuntimeException: Unable to fence NameNode at hadoop3/ 10.7.23.124:8020
  6. 0

    auto-failover does not work

    hadoop-hdfs-user | 3 years ago | YouPeng Yang
    java.lang.RuntimeException: Unable to fence NameNode at hadoop3/ 10.7.23.124:8020

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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