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https://issues.apache.org/jira/browse/YARN-2900?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14223691#comment-14223691
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Zhijie Shen commented on YARN-2900:
-----------------------------------
bq. Issue is spacing in the config file. Here is the updated stack trace.
Then, this log message was expected when the app is not found. But
INTERNAL_SERVER_ERROR is bad. We should return NOT_FOUND instead. We can
capture XXXXNotFoundException and convert it to webapp.NotFoundException.
> Application Not Found in AHS throws Internal Server Error with NPE
> ------------------------------------------------------------------
>
> Key: YARN-2900
> URL: https://issues.apache.org/jira/browse/YARN-2900
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Jonathan Eagles
> Assignee: Mit Desai
> Attachments: YARN-2900.patch
>
>
> Caused by: java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryManagerImpl.convertToApplicationReport(ApplicationHistoryManagerImpl.java:128)
> at
> org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryManagerImpl.getApplication(ApplicationHistoryManagerImpl.java:118)
> at
> org.apache.hadoop.yarn.server.webapp.WebServices$2.run(WebServices.java:222)
> at
> org.apache.hadoop.yarn.server.webapp.WebServices$2.run(WebServices.java:219)
> 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:1679)
> at
> org.apache.hadoop.yarn.server.webapp.WebServices.getApp(WebServices.java:218)
> ... 59 more
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