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https://issues.apache.org/jira/browse/HADOOP-4731?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amar Kamat updated HADOOP-4731:
-------------------------------

    Attachment: HADOOP-4731-v1.patch

Attaching patch that fixes the issue. Result of _test-patch_ on my box

{code}
[exec] +1 overall.  
     [exec] 
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec] 
     [exec]     +1 tests included.  The patch appears to include 3 new or 
modified tests.
     [exec] 
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning 
messages.
     [exec] 
     [exec]     +1 javac.  The applied patch does not increase the total number 
of javac compiler warnings.
     [exec] 
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs 
warnings.
     [exec] 
     [exec]     +1 Eclipse classpath. The patch retains Eclipse classpath 
integrity.
{code}

> Job is not removed from the waiting jobs queue upon completion.
> ---------------------------------------------------------------
>
>                 Key: HADOOP-4731
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4731
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/capacity-sched
>    Affects Versions: 0.19.0
>            Reporter: Hemanth Yamijala
>            Assignee: Amar Kamat
>         Attachments: HADOOP-4731-v1.patch
>
>
> When a job completes, the {{JobQueueManager}} removes this job from it's 
> internal structures, which is a queue of the running jobs and waiting jobs. 
> While the removal from the running jobs happens correctly, the removal from 
> the waiting jobs does not happen, if the job is still in the PREP state. This 
> was found while implementing HADOOP-4035, as described [by Vinod 
> here|https://issues.apache.org/jira/browse/HADOOP-4035?focusedCommentId=12650879#action_12650879].
>  The change was introduced in HADOOP-4471, which I should have caught in the 
> review. Sorry about that !

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