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https://issues.apache.org/jira/browse/HDFS-4759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13788146#comment-13788146
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Brahma Reddy Battula commented on HDFS-4759:
--------------------------------------------
Even after defect fix return code will be Zero(for the mentioned scenario),
since we are not returning the return code in following catch exception..
Hence handling the as part of the
https://issues.apache.org/jira/i#browse/HDFS-5315
> snapshotDiff of two invalid snapshots but with same name returns success
> ------------------------------------------------------------------------
>
> Key: HDFS-4759
> URL: https://issues.apache.org/jira/browse/HDFS-4759
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Ramya Sunil
> Assignee: Jing Zhao
> Priority: Minor
> Fix For: Snapshot (HDFS-2802)
>
> Attachments: HDFS-4759.001.patch
>
>
> snapshotDiff of two invalid snapshots which have the same names returns a
> success.
> $ hadoop dfs -ls /user/foo/hdfs-snapshots/.snapshot
> Found 1 items
> drwx------ - foo foo 0 2013-04-26 00:53
> /user/foo/hdfs-snapshots/.snapshot/s1
> $ hadoop snapshotDiff /user/foo/hdfs-snapshots invalid invalid
> Difference between snapshot invalid and snapshot invalid under directory
> /user/foo/hdfs-snapshots:
> -bash-4.1$ echo $?
> 0
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