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Date: Thu, 14 Nov 2013 22:19:24 +0000 (UTC)
From: "Jonathan Eagles (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.12473747.1284077572823.76946.1384467564902@arcas>
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Subject: [jira] [Commented] (HDFS-1386) TestJMXGet fails in jdk7
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    [ https://issues.apache.org/jira/browse/HDFS-1386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13823021#comment-13823021 ] 

Jonathan Eagles commented on HDFS-1386:
---------------------------------------

Upon MiniDFSCluster shutdown it is found that DataNode, FSNamesystem, and NameNode don't unregister all beans. During new MiniDFSCluster startup, those same systems fail to register the beans, causing null pointer exceptions when previous beans are called for clusters that have already been shutdown.

> TestJMXGet fails in jdk7
> ------------------------
>
>                 Key: HDFS-1386
>                 URL: https://issues.apache.org/jira/browse/HDFS-1386
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode, namenode, test
>    Affects Versions: 0.22.0
>            Reporter: Tanping Wang
>            Assignee: Jonathan Eagles
>            Priority: Blocker
>             Fix For: 0.22.0
>
>


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