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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5279) Guard against NullPointerException in NameNode JSP pages before initialization of FSNamesystem.
Date Wed, 02 Oct 2013 11:07:25 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13783829#comment-13783829
] 

Hudson commented on HDFS-5279:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #350 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/350/])
HDFS-5279. Guard against NullPointerException in NameNode JSP pages before initialization
of FSNamesystem. Contributed by Chris Nauroth. (cnauroth: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1528308)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NamenodeJspHelper.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/corrupt_files.jsp
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.jsp
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfsnodelist.jsp
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeJspHelper.java


> 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: 3.0.0, 2.1.1-beta
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>             Fix For: 3.0.0, 2.1.2-beta
>
>         Attachments: HDFS-5279.1.patch, HDFS-5279.2.patch, HDFS-5279-branch-2.1.patch
>
>
> 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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