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https://issues.apache.org/jira/browse/MAPREDUCE-2727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13084715#comment-13084715
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Hudson commented on MAPREDUCE-2727:
-----------------------------------
Integrated in Hadoop-Mapreduce-trunk-Commit #766 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Commit/766/])
MAPREDUCE-2727. Fix divide-by-zero error in SleepJob for sleepCount equals
0. Contributed by Jeffrey Naisbitt.
acmurthy :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1157422
Files :
*
/hadoop/common/trunk/mapreduce/src/test/mapred/org/apache/hadoop/mapreduce/SleepJob.java
* /hadoop/common/trunk/mapreduce/CHANGES.txt
> MR-279: SleepJob throws divide by zero exception when count = 0
> ---------------------------------------------------------------
>
> Key: MAPREDUCE-2727
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2727
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Jeffrey Naisbitt
> Assignee: Jeffrey Naisbitt
> Fix For: 0.23.0
>
> Attachments: MAPREDUCE-2727-trunk.patch, MAPREDUCE-2727.patch
>
>
> When the count is 0 for mappers or reducers, a divide-by-zero exception is
> thrown. There are existing checks to error out when count < 0, which
> obviously doesn't handle the 0 case. This is causing the MRReliabilityTest
> to fail.
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