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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3098) dfs -chown does not like "_" underscore in user name
Date Fri, 28 Mar 2008 16:12:26 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12583079#action_12583079
] 

Hadoop QA commented on HADOOP-3098:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12378739/HADOOP-3098.patch
against trunk revision 619744.

    @author +1.  The patch does not contain any @author tags.

    tests included +1.  The patch appears to include 5 new or modified tests.

    javadoc +1.  The javadoc tool did not generate any warning messages.

    javac +1.  The applied patch does not generate any new javac compiler warnings.

    release audit +1.  The applied patch does not generate any new release audit warnings.

    findbugs +1.  The patch does not introduce any new Findbugs warnings.

    core tests +1.  The patch passed core unit tests.

    contrib tests +1.  The patch passed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2086/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2086/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2086/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2086/console

This message is automatically generated.

> 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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