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From "Stephen Chu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6741) Improve permission denied message when FSPermissionChecker#checkOwner fails
Date Tue, 28 Oct 2014 06:59:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6741?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14186486#comment-14186486
] 

Stephen Chu commented on HDFS-6741:
-----------------------------------

Thanks a lot, Harsh!

> Improve permission denied message when FSPermissionChecker#checkOwner fails
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-6741
>                 URL: https://issues.apache.org/jira/browse/HDFS-6741
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 3.0.0, 2.5.0
>            Reporter: Stephen Chu
>            Assignee: Harsh J
>            Priority: Trivial
>              Labels: supportability
>             Fix For: 2.7.0
>
>         Attachments: HDFS-6741.1.patch, HDFS-6741.2.patch, HDFS-6741.2.patch
>
>
> Currently, FSPermissionChecker#checkOwner throws an AccessControlException with a simple
"Permission denied" message.
> When users try to set an ACL without ownership permissions, they'll see something like:
> {code}
> [schu@hdfs-vanilla-1 hadoop]$ hdfs dfs -setfacl -m user:schu:--- /tmp
> setfacl: Permission denied
> {code}
> It'd be helpful if the message had an explanation why the permission was denied to avoid
confusion for users who aren't familiar with permissions.



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