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https://issues.apache.org/jira/browse/YARN-2602?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhijie Shen updated YARN-2602:
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Attachment: YARN-2602.1.patch
Create a patch to fix the problem
> Generic History Service of TimelineServer sometimes not able to handle NPE
> --------------------------------------------------------------------------
>
> Key: YARN-2602
> URL: https://issues.apache.org/jira/browse/YARN-2602
> Project: Hadoop YARN
> Issue Type: Bug
> Components: timelineserver
> Affects Versions: 2.6.0
> Environment: ATS is running with AHS/GHS enabled to use TimelineStore.
> Running for 4-5 days, with many random example jobs running
> Reporter: Karam Singh
> Assignee: Zhijie Shen
> Attachments: YARN-2602.1.patch
>
>
> ATS is running with AHS/GHS enabled to use TimelineStore.
> Running for 4-5 day, with many random example jobs running .
> When I ran WS API for AHS/GHS:
> {code}
> curl --negotiate -u :
> 'http://<TIMELINE_SERFVER_WEPBAPP_ADDR>/v1/applicationhistory/apps/application_1411579118376_0001'
> {code}
> It ran successfully.
> However
> {code}
> curl --negotiate -u :
> 'http://<TIMELINE_SERFVER_WEPBAPP_ADDR>/ws/v1/applicationhistory/apps'
> {"exception":"WebApplicationException","message":"java.lang.NullPointerException","javaClassName":"javax.ws.rs.WebApplicationException"}
> {code}
> Failed with Internal server error 500.
> After looking at TimelineServer logs found that there was NPE:
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