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https://issues.apache.org/jira/browse/HADOOP-9502?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE resolved HADOOP-9502.
--------------------------------------------
Resolution: Fixed
Fix Version/s: 1.2.0
Hadoop Flags: Reviewed
I have committed this.
> chmod does not return error exit codes for some exceptions
> ----------------------------------------------------------
>
> Key: HADOOP-9502
> URL: https://issues.apache.org/jira/browse/HADOOP-9502
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Reporter: Ramya Sunil
> Assignee: Tsz Wo (Nicholas), SZE
> Priority: Minor
> Fix For: 1.2.0
>
> Attachments: c9502_20130424.patch
>
>
> When some dfs operations fail due to SnapshotAccessControlException, valid
> exit codes are not returned.
> E.g:
> {noformat}
> -bash-4.1$ hadoop dfs -chmod -R 755
> /user/foo/hdfs-snapshots/test0/.snapshot/s0
> chmod: changing permissions of
> 'hdfs://<namenode>:8020/user/foo/hdfs-snapshots/test0/.snapshot/s0':org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotAccessControlException:
> Modification on read-only snapshot is disallowed
> -bash-4.1$ echo $?
> 0
> -bash-4.1$ hadoop dfs -chown -R hdfs:users
> /user/foo/hdfs-snapshots/test0/.snapshot/s0
> chown: changing ownership of
> 'hdfs://<namenode>:8020/user/foo/hdfs-snapshots/test0/.snapshot/s0':org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotAccessControlException:
> Modification on read-only snapshot is disallowed
> -bash-4.1$ echo $?
> 0
> {noformat}
> Similar problems exist for some other exceptions such as SafeModeException.
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