[HDFS-4735] DisallowSnapshot throws IllegalStateException

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Snapshot (HDFS-2802)
• Component/s: namenode
• Hadoop Flags: Reviewed
• Assignee: Jing Zhao
• Reporter: Ramya Sunil
• Created: 23/Apr/13 21:43
• Updated: 24/Apr/13 13:09
• Resolved: 24/Apr/13 00:28

Description

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