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https://issues.apache.org/jira/browse/YARN-3905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14632372#comment-14632372
 ] 

Hudson commented on YARN-3905:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #990 (See 
[https://builds.apache.org/job/Hadoop-Yarn-trunk/990/])
YARN-3905. Application History Server UI NPEs when accessing apps run after RM 
restart (Eric Payne via jeagles) (jeagles: rev 
7faae0e6fe027a3886d9f4e290b6a488a2c55b3a)
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/AppBlock.java
* hadoop-yarn-project/CHANGES.txt


> 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
>             Fix For: 3.0.0, 2.8.0, 2.7.2
>
>         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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