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https://issues.apache.org/jira/browse/MAPREDUCE-2788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13130977#comment-13130977
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Hudson commented on MAPREDUCE-2788:
-----------------------------------
Integrated in Hadoop-Hdfs-0.23-Commit #25 (See
[https://builds.apache.org/job/Hadoop-Hdfs-0.23-Commit/25/])
Merge -c 1186467 from trunk to branch-0.23 to complete fix for
MAPREDUCE-2788.
acmurthy :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1186468
Files :
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerUtils.java
*
/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
*
/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.java
*
/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/TestSchedulerUtils.java
> Normalize requests in FifoScheduler.allocate to prevent NPEs later
> ------------------------------------------------------------------
>
> Key: MAPREDUCE-2788
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2788
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Reporter: Ahmed Radwan
> Assignee: Ahmed Radwan
> Fix For: 0.23.0
>
> Attachments: MAPREDUCE-2788.patch, MAPREDUCE-2788_rev2.patch,
> MAPREDUCE-2788_rev3.patch, MAPREDUCE-2788_rev4.patch,
> MAPREDUCE-2788_rev5.patch
>
>
> The assignContainer() method in
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue
> can cause the scheduler to crash if the ResourseRequest capability memory ==
> 0 (divide by zero).
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