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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HDFS-5059) Unnecessary permission denied error when creating/deleting snapshots with a non-existent directory
Date Tue, 06 Aug 2013 22:59:48 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5059?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jing Zhao reassigned HDFS-5059:
-------------------------------

    Assignee: Jing Zhao
    
> Unnecessary permission denied error when creating/deleting snapshots with a non-existent
directory
> --------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-5059
>                 URL: https://issues.apache.org/jira/browse/HDFS-5059
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: snapshots
>    Affects Versions: 3.0.0
>            Reporter: Stephen Chu
>            Assignee: Jing Zhao
>            Priority: Trivial
>
> As a non-superuser, when you create and delete a snapshot but accidentally specify a
non-existent directory to snapshot, you will see an extra/unnecessary permission denied error
right after the "No such file or directory" error.
> {code}
> [schu@hdfs-snapshots-vanilla ~]$ hdfs dfs -deleteSnapshot /user/schuf/ snap1
> deleteSnapshot: `/user/schuf/': No such file or directory
> deleteSnapshot: Permission denied
> [schu@hdfs-snapshots-vanilla ~]$ hdfs dfs -createSnapshot /user/schuf/ snap1
> createSnapshot: `/user/schuf/': No such file or directory
> createSnapshot: Permission denied
> {code}
> As the HDFS superuser, instead of the "Permission denied" error you'll get an extra "Directory
does not exist" error.
> {code}
> [root@hdfs-snapshots-vanilla ~]# hdfs dfs -deleteSnapshot /user/schuf/ snap1
> deleteSnapshot: `/user/schuf/': No such file or directory
> deleteSnapshot: Directory does not exist: /user/schuf
> {code}

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