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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6598) History server getApplicationReport NPE when fetching report for pre-2.8 job
Date Tue, 24 Apr 2018 20:50:07 GMT

    [ https://issues.apache.org/jira/browse/YARN-6598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16450732#comment-16450732
] 

Hudson commented on YARN-6598:
------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14057 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/14057/])
YARN-6598. History server getApplicationReport NPE when fetching report (xyao: rev 229cb89c317f31e2f64ba5b6ff0ae817ad4aa00c)
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryManagerOnTimelineStore.java
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/applicationhistoryservice/TestApplicationHistoryManagerOnTimelineStore.java


> 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
>             Fix For: 2.9.0, 3.0.0-alpha4, 2.8.2
>
>         Attachments: YARN-6598-branch-2.8.001.patch, 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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