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https://issues.apache.org/jira/browse/HADOOP-10401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14003470#comment-14003470
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Hudson commented on HADOOP-10401:
---------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk #1780 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1780/])
HADOOP-10401. ShellBasedUnixGroupsMapping#getGroups does not always return
primary group first (ajisakaa via cmccabe) (cmccabe:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1594714)
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/ShellBasedUnixGroupsMapping.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/Shell.java
> ShellBasedUnixGroupsMapping#getGroups does not always return primary group
> first
> --------------------------------------------------------------------------------
>
> Key: HADOOP-10401
> URL: https://issues.apache.org/jira/browse/HADOOP-10401
> Project: Hadoop Common
> Issue Type: Bug
> Components: util
> Affects Versions: 2.4.0
> Reporter: Colin Patrick McCabe
> Assignee: Akira AJISAKA
> Fix For: 2.5.0
>
> Attachments: HADOOP-10401.2.patch, HADOOP-10401.patch
>
>
> {{ShellBasedUnixGroupsMapping#getGroups}} does not always return the primary
> group first. It should do this so that clients who expect it don't get the
> wrong result. We should also document that the primary group is returned
> first in the API. Note that {{JniBasedUnixGroupsMapping}} does return the
> primary group first.
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