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https://issues.apache.org/jira/browse/HDFS-5111?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jing Zhao updated HDFS-5111:
----------------------------
Attachment: HDFS-5111.002.patch
Looks like we do not need to update the output for
deleteSnapshot/renameSnapshot when the number of arguments is wrong, since the
USAGE msg is finally output in the end. Update the patch.
> Correctly handling incorrect input for snapshot commands
> --------------------------------------------------------
>
> Key: HDFS-5111
> URL: https://issues.apache.org/jira/browse/HDFS-5111
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: snapshots
> Affects Versions: 3.0.0
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Priority: Minor
> Attachments: HDFS-5111.001.patch, HDFS-5111.002.patch
>
>
> The FSShell commands CreateSnapshot/DeleteSnapshot/RenameSnapshot currently
> may output duplicated error msg. E.g., when trying to create snapshot on a
> file, we have the following error msg:
> {noformat}
> createSnapshot: `/newFile': Is not a directory
> createSnapshot: `/newFile': Is not a directory
> {noformat}
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