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https://issues.apache.org/jira/browse/AMBARI-21687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16150922#comment-16150922
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Hadoop QA commented on AMBARI-21687:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12884957/AMBARI-21687.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author 
tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new 
or modified test files.

    {color:green}+1 release audit{color}.  The applied patch does not increase 
the total number of release audit warnings.

    {color:green}+1 javac{color}.  The applied patch does not increase the 
total number of javac compiler warnings.

    {color:red}-1 core tests{color}.  The test build failed in 
[ambari-server|https://builds.apache.org/job/Ambari-trunk-test-patch/12139//artifact/patch-work/testrun_ambari-server.txt]
 

Console output: 
https://builds.apache.org/job/Ambari-trunk-test-patch/12139//console

This message is automatically generated.

> User can't add node via Ambari UI when being part of both "cluster user" and 
> "cluster admin" roles
> --------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-21687
>                 URL: https://issues.apache.org/jira/browse/AMBARI-21687
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-sever
>    Affects Versions: 2.5.1
>            Reporter: Amogh Patel
>            Assignee: Eugene Chekanskiy
>             Fix For: 2.6.0
>
>         Attachments: AMBARI-21687.patch
>
>
> User can't add node via Ambari UI when being part of both *cluster user* and 
> *cluster administrator* roles.
> *Issue1:* The expected behavior of Ambari is to not allow same user/group to 
> be part of 2 different roles and it WARNS that *Cannot save permissions.. 
> Only 1 role allowed per user or group* but this can be fooled by creating two 
> different groups and have a common user, which creates Issue2.
> *Issue2:* Due to above, user (part of cluster user and cluster admin) can't 
> add node and Ambari UI goes in loop during node registration process and 
> reloads the page again and again.
> Reproduced it with Ambari 2.5.1. Steps to reproduce:
> 1. Created group *foogroup* and user *foo1* and added it in *foogroup*.
> 2. Tried to add *foogroup* to roles cluster user and administrator and it 
> doesn't allow with above warning.
> 3. Created a local user *test1* in Ambari.
> 4. Created 2 different group *clus_admin* and *cluster_user* and added 
> *test1* in both of them.
> 5. Assigned *clus_admin* to cluster admin role and *clus_user* to cluster 
> user role and was able to save and assign 2 different roles to same user.
> 6. Tried to add a new node with *test1* user and Ambari UI freaks out while 
> registration and goes on loop.



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