[ 
https://issues.apache.org/jira/browse/YARN-3905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14631395#comment-14631395
 ] 

Hadoop QA commented on YARN-3905:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | pre-patch |  17m 16s | Pre-patch trunk has 6 extant 
Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any 
@author tags. |
| {color:red}-1{color} | tests included |   0m  0s | The patch doesn't appear 
to include any new or modified tests.  Please justify why no new tests are 
needed for this patch. Also please list what manual steps were performed to 
verify this patch. |
| {color:green}+1{color} | javac |   8m 31s | There were no new javac warning 
messages. |
| {color:green}+1{color} | javadoc |  10m 23s | There were no new javadoc 
warning messages. |
| {color:green}+1{color} | release audit |   0m 21s | The applied patch does 
not increase the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   0m 35s | 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 28s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 34s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | findbugs |   1m  7s | The patch does not introduce 
any new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests |   0m 25s | Tests passed in 
hadoop-yarn-server-common. |
| | |  40m 44s | |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12745819/YARN-3905.002.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 9b272cc |
| Pre-patch Findbugs warnings | 
https://builds.apache.org/job/PreCommit-YARN-Build/8572/artifact/patchprocess/trunkFindbugsWarningshadoop-yarn-server-common.html
 |
| hadoop-yarn-server-common test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/8572/artifact/patchprocess/testrun_hadoop-yarn-server-common.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/8572/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf907.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/8572/console |


This message was automatically generated.

> Application History Server UI NPEs when accessing apps run after RM restart
> ---------------------------------------------------------------------------
>
>                 Key: YARN-3905
>                 URL: https://issues.apache.org/jira/browse/YARN-3905
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: timelineserver
>    Affects Versions: 2.7.0, 2.8.0, 2.7.1
>            Reporter: Eric Payne
>            Assignee: Eric Payne
>         Attachments: YARN-3905.001.patch, YARN-3905.002.patch
>
>
> From the Application History URL (http://RmHostName:8188/applicationhistory), 
> clicking on the application ID of an app that was run after the RM daemon has 
> been restarted results in a 500 error:
> {noformat}
> Sorry, got error 500
> Please consult RFC 2616 for meanings of the error code.
> {noformat}
> The stack trace is as follows:
> {code}
> 2015-07-09 20:13:15,584 [2068024519@qtp-769046918-3] INFO 
> applicationhistoryservice.FileSystemApplicationHistoryStore: Completed 
> reading history information of all application attempts of application 
> application_1436472584878_0001
> 2015-07-09 20:13:15,591 [2068024519@qtp-769046918-3] ERROR webapp.AppBlock: 
> Failed to read the AM container of the application attempt 
> appattempt_1436472584878_0001_000001.
> java.lang.NullPointerException
>         at 
> org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryManagerImpl.convertToContainerReport(ApplicationHistoryManagerImpl.java:206)
>         at 
> org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryManagerImpl.getContainer(ApplicationHistoryManagerImpl.java:199)
>         at 
> org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryClientService.getContainerReport(ApplicationHistoryClientService.java:205)
>         at 
> org.apache.hadoop.yarn.server.webapp.AppBlock$3.run(AppBlock.java:272)
>         at 
> org.apache.hadoop.yarn.server.webapp.AppBlock$3.run(AppBlock.java:267)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:415)
>         at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1666)
>         at 
> org.apache.hadoop.yarn.server.webapp.AppBlock.generateApplicationTable(AppBlock.java:266)
> ...
> {code}



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