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https://issues.apache.org/jira/browse/YARN-2892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14524357#comment-14524357
 ] 

Hadoop QA commented on YARN-2892:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  15m 11s | Pre-patch trunk compilation is 
healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any 
@author tags. |
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to 
include 1 new or modified test files. |
| {color:green}+1{color} | javac |   7m 45s | There were no new javac warning 
messages. |
| {color:green}+1{color} | javadoc |   9m 51s | There were no new javadoc 
warning messages. |
| {color:green}+1{color} | release audit |   0m 23s | The applied patch does 
not increase the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   0m 45s | There were no new checkstyle 
issues. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that 
end in whitespace. |
| {color:green}+1{color} | install |   1m 34s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 32s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | findbugs |   1m 15s | The patch does not introduce 
any new Findbugs (version 2.0.3) warnings. |
| {color:red}-1{color} | yarn tests |  52m  6s | Tests failed in 
hadoop-yarn-server-resourcemanager. |
| | |  89m 26s | |
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|| Reason || Tests ||
| Failed unit tests | 
hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesFairScheduler |
|   | hadoop.yarn.server.resourcemanager.TestAppManager |
|   | 
hadoop.yarn.server.resourcemanager.scheduler.fair.TestAllocationFileLoaderService
 |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12684732/YARN-2892.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / d3d019c |
| hadoop-yarn-server-resourcemanager test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/7584/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/7584/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf903.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP 
PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/7584/console |


This message was automatically generated.

> Unable to get AMRMToken in unmanaged AM when using a secure cluster
> -------------------------------------------------------------------
>
>                 Key: YARN-2892
>                 URL: https://issues.apache.org/jira/browse/YARN-2892
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>            Reporter: Sevada Abraamyan
>            Assignee: Sevada Abraamyan
>         Attachments: YARN-2892.patch, YARN-2892.patch, YARN-2892.patch
>
>
> An AMRMToken is retrieved from the ApplicationReport by the YarnClient. 
> When the RM creates the ApplicationReport and sends it back to the client it 
> makes a simple security check whether it should include the AMRMToken in the 
> report (See createAndGetApplicationReport in RMAppImpl).This security check 
> verifies that the user who submitted the original application is the same 
> user who is requesting the ApplicationReport. If they are indeed the same 
> user then it includes the AMRMToken, otherwise it does not include it.
> The problem arises from the fact that when an application is submitted, the 
> RM  saves the short username of the user who created the application (See 
> submitApplication in ClientRmService). Afterwards when the ApplicationReport 
> is requested, the system tries to match the full username of the requester 
> against the previously stored short username. 
> In a secure cluster using Kerberos this check fails because the principle is 
> stripped from the username when we request a short username. So for example 
> the short username might be "Foo" whereas the full username is 
> "f...@company.com"
> Note: A very similar problem has been previously reported 
> ([Yarn-2232|https://issues.apache.org/jira/browse/YARN-2232])



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