[jira] [Updated] (HDFS-6741) Improve permission denied message when FSPermissionChecker#checkOwner fails

["Stephen Chu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-6741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephen Chu updated HDFS-6741:
------------------------------
            Priority: Trivial  (was: Minor)
    Target Version/s: 3.0.0, 2.7.0  (was: 3.0.0, 2.6.0)
              Labels: supportability  (was: )

> 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: Stephen Chu
>            Priority: Trivial
>              Labels: supportability
>         Attachments: HDFS-6741.1.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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