Jason Lowe created YARN-6598:
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Summary: 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
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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