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https://issues.apache.org/jira/browse/MAPREDUCE-4927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13661350#comment-13661350
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Hudson commented on MAPREDUCE-4927:
-----------------------------------
Integrated in Hadoop-Hdfs-0.23-Build #611 (See
[https://builds.apache.org/job/Hadoop-Hdfs-0.23-Build/611/])
svn merge -c 1483974 FIXES: MAPREDUCE-4927. Historyserver 500 error due to
NPE when accessing specific counters page for failed job. Contributed by Ashwin
Shankar (Revision 1483978)
Result = SUCCESS
jlowe : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1483978
Files :
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/webapp/SingleCounterBlock.java
*
/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/webapp/TestAMWebApp.java
> 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
> Fix For: 2.0.5-beta, 0.23.8
>
> 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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