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https://issues.apache.org/jira/browse/YARN-4338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14997659#comment-14997659
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Naganarasimha G R commented on YARN-4338:
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Hi [~wangda],
How about setting Default Label in ResourceRequest when not set ?
> 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.
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