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https://issues.apache.org/jira/browse/HADOOP-14075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15864049#comment-15864049
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Wei-Chiu Chuang commented on HADOOP-14075:
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Thanks for the patch, [~r1pp3rj4ck] There are almost always failed tests in
precommit, but the one failed here doesn't look like related to your patch. To
verify, can you run these failed tests locally to double check?
> chown doesn't work with usernames containing '\' character
> ----------------------------------------------------------
>
> Key: HADOOP-14075
> URL: https://issues.apache.org/jira/browse/HADOOP-14075
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.6.0
> Reporter: Attila Bukor
> Assignee: Attila Bukor
> Attachments: HADOOP-14075.001.patch, HADOOP-14075.002.patch
>
>
> Usernames containing backslash (e.g. down-level logon names) seem to work
> fine with Hadoop, except for chown.
> {code}
> $ HADOOP_USER_NAME="FOOBAR\\testuser" hdfs dfs -mkdir /test/testfile1
> $ hdfs dfs -ls /test
> Found 1 items
> drwxrwxr-x - FOOBAR\testuser supergroup 0 2017-02-10 12:49
> /test/testfile1
> $ HADOOP_USER_NAME="testuser" hdfs dfs -mkdir /test/testfile2
> $ HADOOP_USER_NAME="hdfs" hdfs dfs -chown "FOOBAR\\testuser" /test/testfile2
> -chown: 'FOOBAR\testuser' does not match expected pattern for [owner][:group].
> Usage: hadoop fs [generic options] -chown [-R] [OWNER][:[GROUP]] PATH...
> $
> {code}
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