[ 
https://issues.apache.org/jira/browse/YARN-3103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14295763#comment-14295763
 ] 

Hadoop QA commented on YARN-3103:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12695065/YARN-3103.001.patch
  against trunk revision 9850e15.

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

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:red}-1 eclipse:eclipse{color}.  The patch failed to build with 
eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new 
Findbugs (version 2.0.3) warnings.

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

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: 
https://builds.apache.org/job/PreCommit-YARN-Build/6440//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/6440//console

This message is automatically generated.

> AMRMClientImpl does not update AMRM token properly
> --------------------------------------------------
>
>                 Key: YARN-3103
>                 URL: https://issues.apache.org/jira/browse/YARN-3103
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 2.6.0
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>            Priority: Blocker
>         Attachments: YARN-3103.001.patch
>
>
> AMRMClientImpl.updateAMRMToken updates the token service _before_ storing it 
> to the credentials, so the token is mapped using the newly updated service 
> rather than the empty service that was used when the RM created the original 
> AMRM token.  This leads to two AMRM tokens in the credentials and can still 
> fail if the AMRMTokenSelector picks the wrong one.
> In addition the AMRMClientImpl grabs the login user rather than the current 
> user when security is enabled, so it's likely the UGI being updated is not 
> the UGI that will be used when reconnecting to the RM.
> The end result is that AMs can fail with invalid token errors when trying to 
> reconnect to an RM after a new AMRM secret has been activated.



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