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From "Kitti Nanasi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12981) HDFS renameSnapshot to Itself for Non Existent snapshot should throw error
Date Wed, 02 May 2018 15:18:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kitti Nanasi updated HDFS-12981:
--------------------------------
    Attachment: HDFS-12981-branch-2.6.0.001.patch

> HDFS  renameSnapshot to Itself for Non Existent snapshot should throw error
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-12981
>                 URL: https://issues.apache.org/jira/browse/HDFS-12981
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs
>    Affects Versions: 2.6.0
>            Reporter: Sailesh Patel
>            Assignee: Kitti Nanasi
>            Priority: Minor
>         Attachments: HDFS-12981-branch-2.6.0.001.patch, HDFS-12981.001.patch, HDFS-12981.002.patch
>
>
> When trying to rename a non-existent HDFS  snapshot to ITSELF, there are no errors and
exits with a success code.
> The steps to reproduce this issue is:
> hdfs dfs -mkdir /tmp/dir1
> hdfs dfsadmin -allowSnapshot /tmp/dir1
> hdfs dfs 	-createSnapshot /tmp/dir1  snap1_dir
> Rename from non-existent to another_non-existent : errors and return code 1.  This is
correct.
>   hdfs dfs -renameSnapshot /tmp/dir1 nonexist another_nonexist  : 
>   echo $?
>    
>   renameSnapshot: The snapshot nonexist does not exist for directory /tmp/dir1
> Rename from non-existent to non-existent : no errors and return code 0  instead of Error
and return code 1.
>   hdfs dfs -renameSnapshot /tmp/dir1 nonexist nonexist  ;  echo $?
> Current behavior:   No error and return code 0.
> Expected behavior:  An error returned and return code 1.



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