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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-5279) Guard against NullPointerException in NameNode JSP pages before initialization of FSNamesystem.
Date Mon, 30 Sep 2013 18:55:25 GMT
Chris Nauroth created HDFS-5279:
-----------------------------------

             Summary: Guard against NullPointerException in NameNode JSP pages before initialization
of FSNamesystem.
                 Key: HDFS-5279
                 URL: https://issues.apache.org/jira/browse/HDFS-5279
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: namenode
    Affects Versions: 2.1.1-beta, 3.0.0
            Reporter: Chris Nauroth
            Assignee: Chris Nauroth


HDFS-4372 added tracking of NameNode startup progress.  As part of that change, the NameNode
HTTP server now starts before initialization of the {{FSNamesystem}}.  There are a few code
paths remaining in the JSP pages that are at risk of causing {{NullPointerException}} if accessed
when the {{FSNamesystem}} has not been fully initialized.



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