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https://issues.apache.org/jira/browse/MAPREDUCE-1915?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12990757#comment-12990757
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Priyo Mustafi commented on MAPREDUCE-1915:
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Got a +1 on release audit as well. It was an environmental issue. Patch-test
and test all passed now.
> IndexCache - getIndexInformation - check reduce index Out Of Bounds
> -------------------------------------------------------------------
>
> Key: MAPREDUCE-1915
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1915
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tasktracker
> Affects Versions: 0.20.1, 0.20.2, 0.20.3, 0.21.0, 0.22.0
> Reporter: Rares Vernica
> Assignee: Priyo Mustafi
> Priority: Trivial
> Fix For: 0.22.0
>
> Attachments: MAPREDUCE-1915.patch, MAPREDUCE-1915_1.patch
>
>
> When checking if the "reduce" index is out of bounds the check should be
> info.mapSpillRecord.size() <= reduce
> instead of:
> info.mapSpillRecord.size() < reduce
> Not a big bug since an Out Of Bounds is thrown downstream anyway.
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