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https://issues.apache.org/jira/browse/HADOOP-5922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12713537#action_12713537
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Vinod K V commented on HADOOP-5922:
-----------------------------------
As Ramya mentioned offline to me, this happens only in a narrow window when
jobqueue_details.jsp is accessed after JT is started and before scheduler gets
started and is not visible afterwards.
This doesn't have any side effects and can be easily fixed by a null check for
jobQueuesManager in CapacityTaskScheduler.getJobs(String queue).
> NPE in jobqueue_details.jsp page if scheduler has not started
> -------------------------------------------------------------
>
> Key: HADOOP-5922
> URL: https://issues.apache.org/jira/browse/HADOOP-5922
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/capacity-sched
> Affects Versions: 0.20.0
> Reporter: Ramya R
> Priority: Minor
> Fix For: 0.20.0
>
>
> NullPointerException is observed in jobqueue_details.jsp page if the
> scheduler has not yet started
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