[ https://issues.apache.org/jira/browse/YARN-4338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14996191#comment-14996191 ]
Naganarasimha G R commented on YARN-4338: ----------------------------------------- Hi [~xinwei], What was the scenario in which you got this NPE? > NPE in RegularContainerAllocator.preCheckForNewContainer() > ---------------------------------------------------------- > > Key: YARN-4338 > URL: https://issues.apache.org/jira/browse/YARN-4338 > Project: Hadoop YARN > Issue Type: Bug > Reporter: Xinwei Qin > Priority: Minor > Attachments: YARN-4338.001.patch > > > The codes in RegularContainerAllocator.preCheckForNewContainer(): > {code} > if (anyRequest.getNodeLabelExpression() > .equals(RMNodeLabelsManager.NO_LABEL)) { > missedNonPartitionedRequestSchedulingOpportunity = > application > .addMissedNonPartitionedRequestSchedulingOpportunity(priority); > } > {code} > {code}anyRequest.getNodeLabelExpression(){code}may return null. -- This message was sent by Atlassian JIRA (v6.3.4#6332)