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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8961) Investigate lock issue in o.a.h.hdfs.shortcircuit.DfsClientShmManager.EndpointShmManager
Date Thu, 27 Aug 2015 16:24:46 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14716980#comment-14716980
] 

Hudson commented on HDFS-8961:
------------------------------

FAILURE: Integrated in Hadoop-trunk-Commit #8356 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/8356/])
HDFS-8961. Investigate lock issue in o.a.h.hdfs.shortcircuit.DfsClientShmManager.EndpointShmManager.
Contributed by Mingliang Liu. (wheat9: rev 1e5f69e85c035f9507e8b788df0b3ce20290a770)
* hadoop-hdfs-project/hadoop-hdfs/dev-support/findbugsExcludeFile.xml
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs-client/dev-support/findbugsExcludeFile.xml


> Investigate lock issue in o.a.h.hdfs.shortcircuit.DfsClientShmManager.EndpointShmManager
> ----------------------------------------------------------------------------------------
>
>                 Key: HDFS-8961
>                 URL: https://issues.apache.org/jira/browse/HDFS-8961
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Haohui Mai
>            Assignee: Mingliang Liu
>             Fix For: 2.8.0
>
>         Attachments: HDFS-8961.000.patch
>
>
> There are two clauses in {{hadoop-hdfs}} to filter out the findbugs warnings in {{org.apache.hadoop.hdfs.shortcircuit.DfsClientShmManager$EndpointShmManager}}:
> {code}
>     <Match>
>       <Class name="org.apache.hadoop.hdfs.shortcircuit.DfsClientShmManager$EndpointShmManager"
/>
>       <Method name="allocSlot" />
>       <Bug pattern="UL_UNRELEASED_LOCK_EXCEPTION_PATH" />
>     </Match>
>     <Match>
>       <Class name="org.apache.hadoop.hdfs.shortcircuit.DfsClientShmManager$EndpointShmManager"
/>
>       <Method name="allocSlot" />
>       <Bug pattern="UL_UNRELEASED_LOCK" />
>     </Match>
> {code}
> These two warnings show up in the Jenkins run as these classes are moved into the {{hadoop-hdfs-client}}
module. We either need to fix the code or move these clauses to the {{hadoop-hdfs-client}}
module.



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