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From "Aaron T. Myers (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-2724) NN web UI can throw NPE after startup, before standby state is entered
Date Tue, 27 Dec 2011 06:06:30 GMT
NN web UI can throw NPE after startup, before standby state is entered
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                 Key: HDFS-2724
                 URL: https://issues.apache.org/jira/browse/HDFS-2724
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: ha, name-node
    Affects Versions: HA branch (HDFS-1623)
            Reporter: Aaron T. Myers
            Assignee: Eli Collins


There's a brief period of time (a few seconds) after the NN web server has been initialized,
but before the NN's HA state is initialized. If {{dfshealth.jsp}} is hit during this time,
a {{NullPointerException}} will be thrown.

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