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From "Sean Mackrory (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-15889) String case conversions are locale-sensitive, used without locale
Date Thu, 26 May 2016 14:00:20 GMT

     [ https://issues.apache.org/jira/browse/HBASE-15889?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Mackrory updated HBASE-15889:
----------------------------------
    Status: Patch Available  (was: Open)

I do indeed get the same failures sometimes when running unit tests without my patch. Submitting...

> 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
>            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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