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Date: Fri, 27 May 2016 23:49:12 +0000 (UTC)
From: "Sean Busbey (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12972750.1464190396000.322528.1464392952821@Atlassian.JIRA>
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Subject: [jira] [Commented] (HBASE-15889) String case conversions are
 locale-sensitive, used without locale
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archived-at: Fri, 27 May 2016 23:49:14 -0000


    [ https://issues.apache.org/jira/browse/HBASE-15889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15305004#comment-15305004 ] 

Sean Busbey commented on HBASE-15889:
-------------------------------------

Would you mind updating your patch now that we've removed the jenkins-tools module?

> String case conversions are locale-sensitive, used without locale
> -----------------------------------------------------------------
>
>                 Key: HBASE-15889
>                 URL: https://issues.apache.org/jira/browse/HBASE-15889
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.2.0
>            Reporter: Sean Mackrory
>            Assignee: Sean Mackrory
>            Priority: Minor
>         Attachments: HBASE-15889-v1.patch
>
>
> Static code analysis is flagging cases of String.toLowerCase and String.toUpperCase being used without Locale. From the API reference:
> {quote}
> Note: This method is locale sensitive, and may produce unexpected results if used for strings that are intended to be interpreted locale independently. Examples are programming language identifiers, protocol keys, and HTML tags. For instance, "TITLE".toLowerCase() in a Turkish locale returns "t\u0131tle", where '\u0131' is the LATIN SMALL LETTER DOTLESS I character. To obtain correct results for locale insensitive strings, use toLowerCase(Locale.ROOT).
> {quote}
> Many uses of these functions do appear to be looking up classes, etc. and not dealing with stored data, so I'd think there aren't significant compatibility problems here and specifying the locale is indeed the safer way to go.


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