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From "Stephen Chu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-5059) Unnecessary permission denied error when creating/deleting snapshots with a non-existent directory
Date Fri, 02 Aug 2013 19:15:49 GMT
Stephen Chu created HDFS-5059:
---------------------------------

             Summary: 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
            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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