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From "Hadoop QA (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 01:56:46 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14715903#comment-14715903
] 

Hadoop QA commented on HDFS-8961:
---------------------------------

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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |   0m  0s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:green}+1{color} | release audit |   0m 15s | The applied patch does not increase
the total number of release audit warnings. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| | |   0m 19s | |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12752630/HDFS-8961.000.patch
|
| Optional Tests |  |
| git revision | trunk / 4cbbfa2 |
| Java | 1.7.0_55 |
| uname | Linux asf906.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep
3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/12152/console |


This message was automatically generated.

> 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
>         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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