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Karthik Kambatla commented on YARN-1934: ---------------------------------------- Or, move all uses to runWithCheck(). > Potential NPE in ZKRMStateStore caused by handling Disconnected event from ZK. > ------------------------------------------------------------------------------ > > Key: YARN-1934 > URL: https://issues.apache.org/jira/browse/YARN-1934 > Project: Hadoop YARN > Issue Type: Bug > Components: resourcemanager > Affects Versions: 2.4.0 > Reporter: Rohith > Assignee: Karthik Kambatla > Priority: Critical > Attachments: RM.txt > > > For ZK disconnected event , zkClient is set to null. It is very much prone to > throw NPE. > {noformat} > case Disconnected: > LOG.info("ZKRMStateStore Session disconnected"); > oldZkClient = zkClient; > zkClient = null; > break; > {noformat} -- This message was sent by Atlassian JIRA (v6.2#6252)