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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6463) Incorrect permission can be created after setting ACLs
Date Thu, 29 May 2014 07:13:01 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14012144#comment-14012144
] 

Aaron T. Myers commented on HDFS-6463:
--------------------------------------

Gotcha, all makes sense. Thanks a lot for the very lucid explanation, Chris.

One suggestion - should we perhaps use this JIRA to improve the comment for {{AclStorage#createFsPermissionForExtendedAcl}}
to make it clear that there is no bug here? Empirically, it's not entirely obvious given that
it took me by surprise. :)

> Incorrect permission can be created after setting ACLs
> ------------------------------------------------------
>
>                 Key: HDFS-6463
>                 URL: https://issues.apache.org/jira/browse/HDFS-6463
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.4.0
>            Reporter: Aaron T. Myers
>         Attachments: HDFS-6463.patch
>
>
> When setting ACLs for a file or directory, it's possible for the resulting FsPermission
object's group entry to be set incorrectly, in particular it will be set to the mask entry.
More details in the first comment of this JIRA.
> Thanks to [~szehon] for identifying this issue.



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