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From "Raghu Angadi (JIRA)" <j...@apache.org>
Subject [jira] Issue Comment Edited: (HADOOP-3098) dfs -chown does not like "_" underscore in user name
Date Mon, 31 Mar 2008 16:12:26 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12583733#action_12583733
] 

rangadi edited comment on HADOOP-3098 at 3/31/08 9:10 AM:
---------------------------------------------------------------

> an we spend a few minutes making the text grammatically correct before checking code
in?

I wrote it and spent quite a bit more than a few munites... and  I wanted to others to read
as well. Thats why I included the whole text in a comment above.



      was (Author: rangadi):
    > an we spend a few minutes making the text grammatically correct before checking code
in?

I wrote it and spent little more than a few munites... and  I wanted to others to read as
well. Thats why I included the whole text in a comment above.


  
> dfs -chown does not like "_" underscore in user name
> ----------------------------------------------------
>
>                 Key: HADOOP-3098
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3098
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.16.0, 0.16.1
>            Reporter: Koji Noguchi
>            Assignee: Raghu Angadi
>            Priority: Blocker
>             Fix For: 0.16.2
>
>         Attachments: HADOOP-3098.patch, HADOOP-3098.patch
>
>
> :~$ hadoop dfs -chown aaa_bbb  /user/knoguchi/test.txt
> chown: 'aaa_bbb' does not match expected pattern for [owner][:group].
> in 0.16.1, only alphabets and numbers are allowed.  Shouldn't '_' be allowed?
> I couldn't find any standard, but in Solaris10, it's defined as 
> http://docs.sun.com/app/docs/doc/816-5174/6mbb98uhg?a=view
> bq. The login (login) and role (role) fields accept a string of no more than eight bytes
consisting of characters from the set of alphabetic characters, numeric characters, period
(.), underscore (_), and hyphen (-). The first character should be alphabetic and the field
should contain at least one lower case alphabetic character. A warning message is displayed
if these restrictions are not met.

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