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From "Yu Gao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4272) SortedRanges.Range#compareTo is not spec compliant
Date Fri, 02 Nov 2012 04:28:12 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13489249#comment-13489249
] 

Yu Gao commented on MAPREDUCE-4272:
-----------------------------------

Thanks Luke for the review. This patch fixes TestStreamingBadRecords failure in alternative
JDKs, like IBM JDK.
                
> SortedRanges.Range#compareTo is not spec compliant
> --------------------------------------------------
>
>                 Key: MAPREDUCE-4272
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4272
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: task
>    Affects Versions: 1.0.3
>            Reporter: Luke Lu
>            Assignee: Yu Gao
>              Labels: alt-jdk
>         Attachments: mapreduce-4272-branch-1.0.patch, mapreduce-4272-branch-2.patch,
mapreduce-4272.patch
>
>
> SortedRanges.Range#compareTo does not satisfy the requirement of Comparable#compareTo,
where "the implementor must ensure {noformat}sgn(x.compareTo(y)) == -sgn(y.compareTo(x)){noformat}
for all x and y."
> This is manifested as TestStreamingBadRecords failures in alternative JDKs.

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