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https://issues.apache.org/jira/browse/YARN-3276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14340427#comment-14340427
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Tsuyoshi Ozawa commented on YARN-3276:
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[~djp] thank you for taking this issue. Should we add a test for TimelineUtils?
> Fix NPE and refactor in some map cast for TimelineEntity
> --------------------------------------------------------
>
> Key: YARN-3276
> URL: https://issues.apache.org/jira/browse/YARN-3276
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Reporter: Junping Du
> Assignee: Junping Du
> Attachments: YARN-3276.patch
>
>
> Per discussion in YARN-3087, we need to refactor some similar logic to cast
> map to hashmap and get rid of NPE issue.
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