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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6678) MiniDFSCluster may still be partially running after initialization fails.
Date Tue, 15 Jul 2014 10:38:10 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14061929#comment-14061929
] 

Hudson commented on HDFS-6678:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #613 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/613/])
HDFS-6678. MiniDFSCluster may still be partially running after initialization fails. Contributed
by Chris Nauroth. (cnauroth: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1610549)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java


> MiniDFSCluster may still be partially running after initialization fails.
> -------------------------------------------------------------------------
>
>                 Key: HDFS-6678
>                 URL: https://issues.apache.org/jira/browse/HDFS-6678
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 3.0.0, 2.5.0
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>            Priority: Minor
>             Fix For: 3.0.0, 2.6.0
>
>         Attachments: HDFS-6678.1.patch
>
>
> {{MiniDFSCluster}} initializes the daemons (NameNodes, DataNodes) as part of object construction.
 If initialization fails, then the constructor throws an exception.  When this happens, it's
possible that daemons are left running in the background.  There is effectively no way to
clean up after this state, because the constructor failed, and therefore the caller has no
way to trigger a shutdown.



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