[jira] [Commented] (MAPREDUCE-4927) Historyserver 500 error due to NPE when accessing specific counters page for failed job

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13660126#comment-13660126 ] 

Hadoop QA commented on MAPREDUCE-4927:
--------------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12583567/MAPREDUCE-4927.txt
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3649//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3649//console

This message is automatically generated.
                
> Historyserver 500 error due to NPE when accessing specific counters page for failed job
> ---------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4927
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4927
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobhistoryserver
>    Affects Versions: 2.0.3-alpha, 0.23.6
>            Reporter: Jason Lowe
>            Assignee: Ashwin Shankar
>         Attachments: MAPREDUCE-4927.txt
>
>
> Went to the historyserver page for a job that failed and examined the counters page.  When I clicked on a specific counter, the historyserver returned a 500 error.  The historyserver logs showed it encountered an NPE error, full traceback to follow.

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