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https://issues.apache.org/jira/browse/HADOOP-2426?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tom White updated HADOOP-2426:
------------------------------

    Attachment: HADOOP-2426.patch

The failure I'm getting is not related to the group name length:

Testcase: testLocalFSsetOwner took 0.087 sec
        FAILED
expected:<staff> but was:<>
junit.framework.ComparisonFailure: expected:<staff> but was:<>
        at org.apache.hadoop.fs.TestLocalFileSystemPermission.testLocalFSsetOwne
r(TestLocalFileSystemPermission.java:130)

There is a mistake in the logic of RawLocalFileStatus.getGroup(). This patch 
fixes it and now the test passes for me. Does it work for you Nicholas?

> TestLocalFileSystemPermission fails in mac
> ------------------------------------------
>
>                 Key: HADOOP-2426
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2426
>             Project: Hadoop
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.15.1
>            Reporter: Tsz Wo (Nicholas), SZE
>         Attachments: HADOOP-2426.patch
>
>
> In Mac, group name can be more than 8 characters, e.g. "appserveradm".  
> However, "ls -ld" truncates it to 8 characters, i.e. it shows "appserve" for 
> the previous group name.  Therefore, the test fails since 
> "appserveradm".equals("appserve") returns false.
> Not sure whether similar problem exists in other OS.

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