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https://issues.apache.org/jira/browse/HADOOP-4288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12637369#action_12637369
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Hemanth Yamijala commented on HADOOP-4288:
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Patch looks good to me. I agree on the explanation regarding the test case that 
the failure path is implicitly tested. 

Just note that when this goes in, the patch for HADOOP-4053 would need to 
change this test case to call {{jobUpdated}} rather than {{jobRemoved}}.



> java.lang.NullPointerException is observed in Jobtracker log while   call 
> heartbeat
> -----------------------------------------------------------------------------------
>
>                 Key: HADOOP-4288
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4288
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/capacity-sched
>    Affects Versions: 0.19.0
>            Reporter: Karam Singh
>            Assignee: Amar Kamat
>            Priority: Blocker
>         Attachments: HADOOP-4288-v1.patch, HADOOP-4288-v2.patch, 
> HADOOP-4288-v3.patch, HADOOP-4288-v4.patch
>
>   Original Estimate: 0h
>  Remaining Estimate: 0h
>
> 2008-09-26 09:33:08,190 INFO org.apache.hadoop.ipc.Server: IPC Server handler 
> 5 on 34441, call heartbeat([EMAIL PROTECTED], false, true, 100) from 
> <ipaddress:port>: error: java.io.IOException: java.lang.NullPointerException  
> is observed in Jobtracker log.

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