[jira] Commented: (DERBY-3780) Run junit tests with -Dfile.encoding="UTF-16" to expose encoding issues and analyze failures

["Knut Anders Hatlen (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DERBY-3780?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12614680#action_12614680 ] 

Knut Anders Hatlen commented on DERBY-3780:
-------------------------------------------

I haven't studied the results in detail, I just wanted to add that the file.encoding property is not a standard property, and it is meant to be a read-only property that tells you the default encoding. Since you're not supposed to change the property, some parts of the class library may use it to determine the default encoding, whereas others may use another way to find it. So some of the failures may be caused by the class library being confused and using the encoding inconsistently.

Seems like you also ran out of perm gen space. Possibly because UTF-16 requires more space in many cases?

> Run junit tests with -Dfile.encoding="UTF-16" to expose encoding issues and analyze failures
> --------------------------------------------------------------------------------------------
>
>                 Key: DERBY-3780
>                 URL: https://issues.apache.org/jira/browse/DERBY-3780
>             Project: Derby
>          Issue Type: Task
>          Components: Test
>    Affects Versions: 10.5.0.0
>            Reporter: Kathey Marsden
>            Priority: Minor
>         Attachments: ReadEncodedFile.java, suites_all_utf16.txt
>
>
> Wth sun jkd 1.5 and 1.6 you can run JUnit tests with -Dfile.encoding="UTF-16" to help expose encoding issues with Derby and tests.    Run suites.All and analyze failures.

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