Jing Zhao created HDFS-5111:
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Summary: 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
1. 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}
2. deleteSnapshot/renameSnapshot with incorrect args does not throw usage msg.
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