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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 05:51:22 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13687637#comment-13687637
] 

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

> so, If snapshot is null, all permission check are all did by "other class".

Why?  When snapshot is null, inode.getUserName(snapshot) returns the current owner of the
inode.
                
> 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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