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https://issues.apache.org/jira/browse/HADOOP-11602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14377877#comment-14377877
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Hudson commented on HADOOP-11602:
---------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #2092 (See 
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2092/])
Fix CHANGES.txt for HADOOP-11602. (ozawa: rev 
3ca5bd163292e661473017e70b9ca77f5a5b78c0)
* hadoop-common-project/hadoop-common/CHANGES.txt


> Fix toUpperCase/toLowerCase to use Locale.ENGLISH
> -------------------------------------------------
>
>                 Key: HADOOP-11602
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11602
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.6.0
>            Reporter: Tsuyoshi Ozawa
>            Assignee: Tsuyoshi Ozawa
>            Priority: Blocker
>             Fix For: 2.7.0
>
>         Attachments: HADOOP-11602-001.patch, HADOOP-11602-002.patch, 
> HADOOP-11602-003.patch, HADOOP-11602-004.patch, 
> HADOOP-11602-branch-2.001.patch, HADOOP-11602-branch-2.002.patch, 
> HADOOP-11602-branch-2.003.patch, HADOOP-11602-branch-2.004.patch, 
> HADOOP-11602-branch-2.005.patch
>
>
> String#toLowerCase()/toUpperCase() without a locale argument can occur 
> unexpected behavior based on the locale. It's written in 
> [Javadoc|http://docs.oracle.com/javase/7/docs/api/java/lang/String.html#toLowerCase()]:
> {quote}
> For instance, "TITLE".toLowerCase() in a Turkish locale returns "t\u0131tle", 
> where '\u0131' is the LATIN SMALL LETTER DOTLESS I character
> {quote}
> This issue is derived from HADOOP-10101.



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