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Posted to yarn-issues@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2017/05/12 21:40:04 UTC
[jira] [Updated] (YARN-6598) History server getApplicationReport
NPE when fetching report for pre-2.8 job
[ https://issues.apache.org/jira/browse/YARN-6598?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jason Lowe updated YARN-6598:
-----------------------------
Attachment: YARN-6598.001.patch
Patch that checks for preemption metrics entity presence and defaults to zero values if the entities are missing.
> History server getApplicationReport NPE when fetching report for pre-2.8 job
> ----------------------------------------------------------------------------
>
> Key: YARN-6598
> URL: https://issues.apache.org/jira/browse/YARN-6598
> Project: Hadoop YARN
> Issue Type: Bug
> Components: timelineserver
> Affects Versions: 2.8.0
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Priority: Blocker
> Attachments: YARN-6598.001.patch
>
>
> ApplicationHistoryManagerOnTimelineStore#convertToApplicationReport can NPE for a job that was run prior to the cluster upgrading to 2.8. It blindly assumes preemption metrics are present when CPU metrics are present, and when they are not it triggers the NPE.
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