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https://issues.apache.org/jira/browse/HDFS-4735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE resolved HDFS-4735.
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Resolution: Fixed
I have committed this. Thanks, Jing!
> DisallowSnapshot throws IllegalStateException
> ---------------------------------------------
>
> Key: HDFS-4735
> URL: https://issues.apache.org/jira/browse/HDFS-4735
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Ramya Sunil
> Assignee: Jing Zhao
> Fix For: Snapshot (HDFS-2802)
>
> Attachments: HDFS-4735.000.patch, HDFS-4735.001.patch
>
>
> After a long running stress test for snapshots, disallow snapshot throws
> IllegalStateException
> -bash-4.1$ hadoop dfs -rmr -skipTrash /user/foo/hdfs-snapshots
> rmr: cannot remove /user/foo/hdfs-snapshots: No such file or directory.
> -bash-4.1$ /usr/lib/hadoop/bin/hadoop dfs -mkdir
> /user/foo/hdfs-snapshots/test2
> -bash-4.1$ /usr/lib/hadoop/bin/hadoop dfsadmin -allowSnapshot
> /user/foo/hdfs-snapshots/test2
> Allowing snaphot on /user/foo/hdfs-snapshots/test2 succeeded
> -bash-4.1$ /usr/lib/hadoop/bin/hadoop dfsadmin -disallowSnapshot
> /user/foo/hdfs-snapshots/test2
> disallowSnapshot: java.io.IOException: java.lang.IllegalStateException: this
> is already an INodeDirectoryWithSnapshot, this=test2
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