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From "Attila Bukor (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14075) chown doesn't work with usernames containing '\' character
Date Sat, 11 Feb 2017 10:51:42 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15862359#comment-15862359
] 

Attila Bukor commented on HADOOP-14075:
---------------------------------------

Thanks for the heads up. I've just seen that's the lowest unreleased version and according
to git blame, the allowedChars was set this way basically since the dawn of time. These tests
seem to fail randomly, do they have anything to do with my patch?

> 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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