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Posted to mapreduce-issues@hadoop.apache.org by "Luke Lu (JIRA)" <ji...@apache.org> on 2012/12/22 00:23:13 UTC

[jira] [Updated] (MAPREDUCE-4272) SortedRanges.Range#compareTo is not spec compliant

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4272?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luke Lu updated MAPREDUCE-4272:
-------------------------------

          Resolution: Fixed
       Fix Version/s: 1.1.2
                      1.2.0
    Target Version/s: 2.0.0-alpha, 1.2.0  (was: 1.2.0, 2.0.0-alpha)
              Status: Resolved  (was: Patch Available)

+1. Committed to branch-{1,1.1}. Thanks Yu!
                
> 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
>             Fix For: 1.2.0, 1.1.2
>
>         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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