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https://issues.apache.org/jira/browse/HADOOP-3098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12583079#action_12583079
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Hadoop QA commented on HADOOP-3098:
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+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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