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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4918) HDFS permission check is incorrect
Date Wed, 19 Jun 2013 06:04:23 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13687648#comment-13687648
] 

Tsz Wo (Nicholas), SZE commented on HDFS-4918:
----------------------------------------------

> The issue (I don't think its snapshot related either) is that the NN RPC call of setPermission
does not check the state of isPermissionsEnabled. ...

If permission is disabled, user should not call setPermission/setOwner since setting them
does not have the desired effect.  Perhaps we should throw some other exceptions such as IllegalStateException.
                
> HDFS permission check is incorrect
> ----------------------------------
>
>                 Key: HDFS-4918
>                 URL: https://issues.apache.org/jira/browse/HDFS-4918
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs-client, namenode
>    Affects Versions: 2.0.0-alpha
>            Reporter: Fengdong Yu
>
> HDFS permisson check is incorrect, even if dfs.permissions is set false. it does look
like this was caused by snap shot.

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