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Posted to common-issues@hadoop.apache.org by "Chris Nauroth (JIRA)" <ji...@apache.org> on 2013/07/26 18:53:48 UTC

[jira] [Created] (HADOOP-9778) Remove user name and group name validation logic from chown and chgrp shell commands.

Chris Nauroth created HADOOP-9778:
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             Summary: Remove user name and group name validation logic from chown and chgrp shell commands.
                 Key: HADOOP-9778
                 URL: https://issues.apache.org/jira/browse/HADOOP-9778
             Project: Hadoop Common
          Issue Type: Improvement
          Components: fs
    Affects Versions: 3.0.0, 2.3.0
            Reporter: Chris Nauroth


The chown and chgrp shell commands enforce a valid set of characters for user names and group names.  The validation rules for user names and group names vary across different OSes, so this is a portability problem and a maintenance burden.  It requires us to change the code every time we discover a difference in the rules.  I propose that we remove this validation logic and instead pass through input user names and group names to the OS.  We can handle error reporting by catching errors returned from the OS.

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