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From "Sebastien Barrier (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-10545) hdfs zkfc NullPointerException
Date Mon, 28 Apr 2014 13:52:16 GMT
Sebastien Barrier created HADOOP-10545:
------------------------------------------

             Summary: hdfs zkfc NullPointerException
                 Key: HADOOP-10545
                 URL: https://issues.apache.org/jira/browse/HADOOP-10545
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: 2.4.0
         Environment: Linux
            Reporter: Sebastien Barrier
            Priority: Minor


Running hdfs zkfc on a node which is not a Namenode result of NullPointerException.
An error message should be displayed telling that zkfc must be run only on a Namenode server
and/or to verify configuration parameters.

# hdfs zkfc -formatZK
Exception in thread "main" java.lang.NullPointerException
        at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:187)
        at org.apache.hadoop.hdfs.tools.NNHAServiceTarget.<init>(NNHAServiceTarget.java:57)
        at org.apache.hadoop.hdfs.tools.DFSZKFailoverController.create(DFSZKFailoverController.java:128)
        at org.apache.hadoop.hdfs.tools.DFSZKFailoverController.main(DFSZKFailoverController.java:172)




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