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https://issues.apache.org/jira/browse/YARN-3127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14319730#comment-14319730
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Naganarasimha G R commented on YARN-3127:
-----------------------------------------

None of the finds bugs issue reports are related to the code changes which is 
present in the patch.

> Apphistory url crashes when RM switches with ATS enabled
> --------------------------------------------------------
>
>                 Key: YARN-3127
>                 URL: https://issues.apache.org/jira/browse/YARN-3127
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager, timelineserver
>    Affects Versions: 2.6.0
>         Environment: RM HA with ATS
>            Reporter: Bibin A Chundatt
>            Assignee: Naganarasimha G R
>         Attachments: YARN-3127.20150213-1.patch
>
>
> 1.Start RM with HA and ATS configured and run some yarn applications
> 2.Once applications are finished sucessfully start timeline server
> 3.Now failover HA form active to standby
> 4.Access timeline server URL <IP>:<PORT>/applicationhistory
> Result: Application history URL fails with below info
> {quote}
> 2015-02-03 20:28:09,511 ERROR org.apache.hadoop.yarn.webapp.View: Failed to 
> read the applications.
> java.lang.reflect.UndeclaredThrowableException
>       at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1643)
>       at 
> org.apache.hadoop.yarn.server.webapp.AppsBlock.render(AppsBlock.java:80)
>       at 
> org.apache.hadoop.yarn.webapp.view.HtmlBlock.render(HtmlBlock.java:67)
>       at 
> org.apache.hadoop.yarn.webapp.view.HtmlBlock.renderPartial(HtmlBlock.java:77)
>       at org.apache.hadoop.yarn.webapp.View.render(View.java:235)
>       at 
> org.apache.hadoop.yarn.webapp.view.HtmlPage$Page.subView(HtmlPage.java:49)
>       ...
> Caused by: 
> org.apache.hadoop.yarn.exceptions.ApplicationAttemptNotFoundException: The 
> entity for application attempt appattempt_1422972608379_0001_000001 doesn't 
> exist in the timeline store
>       at 
> org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryManagerOnTimelineStore.getApplicationAttempt(ApplicationHistoryManagerOnTimelineStore.java:151)
>       at 
> org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryManagerOnTimelineStore.generateApplicationReport(ApplicationHistoryManagerOnTimelineStore.java:499)
>       at 
> org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryManagerOnTimelineStore.getAllApplications(ApplicationHistoryManagerOnTimelineStore.java:108)
>       at 
> org.apache.hadoop.yarn.server.webapp.AppsBlock$1.run(AppsBlock.java:84)
>       at 
> org.apache.hadoop.yarn.server.webapp.AppsBlock$1.run(AppsBlock.java:81)
>       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:1628)
>       ... 51 more
> 2015-02-03 20:28:09,512 ERROR org.apache.hadoop.yarn.webapp.Dispatcher: error 
> handling URI: /applicationhistory
> org.apache.hadoop.yarn.webapp.WebAppException: Error rendering block: 
> nestLevel=6 expected 5
>       at 
> org.apache.hadoop.yarn.webapp.view.HtmlBlock.render(HtmlBlock.java:69)
>       at 
> org.apache.hadoop.yarn.webapp.view.HtmlBlock.renderPartial(HtmlBlock.java:77)
> {quote}
> Behaviour with AHS with file based history store
>       -Apphistory url is working 
>       -No attempt entries are shown for each application.
>       
> Based on inital analysis when RM switches ,application attempts from state 
> store  are not replayed but only applications are.
> So when /applicaitonhistory url is accessed it tries for all attempt id and 
> fails



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