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Posted to common-issues@hadoop.apache.org by "KWON BYUNGCHANG (JIRA)" <ji...@apache.org> on 2015/12/08 17:16:10 UTC

[jira] [Assigned] (HADOOP-12616) When rmadmin/dfsadmin -refreshUserToGroupsMappings, it does not reload hadoop.user.group.static.mapping.overrides config.

     [ https://issues.apache.org/jira/browse/HADOOP-12616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

KWON BYUNGCHANG reassigned HADOOP-12616:
----------------------------------------

    Assignee: KWON BYUNGCHANG

> When rmadmin/dfsadmin -refreshUserToGroupsMappings, it does not reload hadoop.user.group.static.mapping.overrides config.
> -------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-12616
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12616
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 2.7.1
>            Reporter: KWON BYUNGCHANG
>            Assignee: KWON BYUNGCHANG
>            Priority: Minor
>         Attachments: HADOOP-12616.001.patch, HADOOP-12616.002.patch, HADOOP-12616.003.patch, HADOOP-12616.004.patch
>
>
> My environment does not allow add user/group.  I can't rely os user/group mechanism.
> and I don’t want to show below log.
> {code}
> 2015-11-26 13:21:48,486 WARN  security.UserGroupInformation (UserGroupInformation.java:getGroupNames(1521)) - No groups available for user hello
> {code}
> I append {{org.apache.hadoop.security.SimpleUserGroupsMapping}}.
> It is very simple.  group of some user is user.  user and group are same.
> if some users should be another group that is different with user name, use {{hadoop.user.group.static.mapping.overrides=user1=group;user2=group}}
> problem is when {{hdfs dfsadmin -refreshUserToGroupsMappings}} ,  {{yarn rmadmin -refreshUserToGroupsMappings}}, it does not reload that config.
> Thank you.



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