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Yuan Luo updated YARN-10934: ---------------------------- Attachment: RM-capacity-scheduler.xml RM-yarn-site.xml > LeafQueue activateApplications NPE > ---------------------------------- > > Key: YARN-10934 > URL: https://issues.apache.org/jira/browse/YARN-10934 > Project: Hadoop YARN > Issue Type: Bug > Components: RM > Affects Versions: 3.3.1 > Reporter: Yuan Luo > Priority: Major > Attachments: RM-capacity-scheduler.xml, RM-yarn-site.xml > > > Our prod Yarn cluster is hadoop version 3.3.1 , we changed > DefaultResourceCalculator -> DominantResourceCalculator and restart RM, then > our RM crashed, the Exception stack like below. I think this is a serious > bug and hope someone can follow up and fix it. > 2021-08-30 21:00:59,114 ERROR event.EventDispatcher > (MarkerIgnoringBase.java:error(159)) - Error in handling event type > APP_ATTEMPT_REMOVED to the Event Dispatcher > java.lang.NullPointerException > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.activateApplications(LeafQueue.java:868) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.removeApplicationAttempt(LeafQueue.java:1014) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.finishApplicationAttempt(LeafQueue.java:972) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.doneApplicationAttempt(CapacityScheduler.java:1188) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:1904) > at > org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:171) > at > org.apache.hadoop.yarn.event.EventDispatcher$EventProcessor.run(EventDispatcher.java:79) > at java.base/java.lang.Thread.run(Thread.java:834) -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org