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Cristian Barca commented on YARN-2559: -------------------------------------- Yes, saw it after a bit of digging. Correct, is supposed to be fixed by YARN 4452 -- though the title is a bit vague (NPE when submitting unmanaged Application). I cannot confirm the fix since the Hadoop version I am working on is 2.7.0. The workaround I have in mind to overcome this issue in older versions is to just disable the GHS property, yarn.resourcemanager.system-metrics-publisher.enabled=false. Any other ideas how to do it w/o affecting the whole system, i.e. something more specific to an AppMaster? Will confirm the fix on my next upgrade to 2.8.0. I've added related links to those 2 guys here as well. Thanks! > ResourceManager sometime become un-responsive due to NPE in > SystemMetricsPublisher > ---------------------------------------------------------------------------------- > > Key: YARN-2559 > URL: https://issues.apache.org/jira/browse/YARN-2559 > Project: Hadoop YARN > Issue Type: Bug > Components: resourcemanager, timelineserver > Affects Versions: 2.6.0 > Environment: Generice History Service is enabled in Timelineserver > with > yarn.resourcemanager.system-metrics-publisher.enabled=true > So that ResourceManager should Timeline Store for recording application > history information > Reporter: Karam Singh > Assignee: Zhijie Shen > Fix For: 2.6.0 > > Attachments: YARN-2559.1.patch, YARN-2559.2.patch, YARN-2559.3.patch, > YARN-2559.4.patch > > > ResourceManager sometime become un-responsive due to NPE in > SystemMetricsPublisher -- This message was sent by Atlassian JIRA (v6.3.4#6332)