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From "Knut Anders Hatlen (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-5492) Restrictive file permissions: permissions removed also for owner on NTFS if Acl does not contain explicit entry for owner
Date Tue, 08 Nov 2011 12:48:51 GMT

    [ https://issues.apache.org/jira/browse/DERBY-5492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13146253#comment-13146253
] 

Knut Anders Hatlen commented on DERBY-5492:
-------------------------------------------

I ran a quick test on the Windows machine where we saw the failures in the nightly tests.
I ran the derbynet test suite and verified that it failed with permission problems without
the patch and passed with the patch.

Tiny nit: The patch adds an import for the Monitor class, but it doesn't use it. The rest
of the changes look good to me.
                
> Restrictive file permissions: permissions removed also for owner on NTFS if Acl does
not contain explicit entry for owner
> -------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-5492
>                 URL: https://issues.apache.org/jira/browse/DERBY-5492
>             Project: Derby
>          Issue Type: Bug
>          Components: Store
>    Affects Versions: 10.9.0.0
>            Reporter: Dag H. Wanvik
>         Attachments: derby-5492-1.diff, derby-5492-1.stat
>
>
> It turns out that the file owner does not necessarily get an explicit AclEntry; this
depends on whether the created file has sufficient permissions already through, say, a permission
for everybody to write. The present logic removes all AclEntries except those granted to the
file's owner, erroneously presuming there would be such an entry always. This led to all AclEntries
being removed. 
> This error is seen in Oracle's nightly regressions for Windows, but did not reproduced
when running manually on Windows. This was due to different default inherited permissions
on the directories in which the regression tests were run.

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