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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-4288) java.lang.NullPointerException is observed in Jobtracker log while call heartbeat
Date Mon, 29 Sep 2008 11:00:44 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-4288?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod K V updated HADOOP-4288:
------------------------------

    Remaining Estimate: 0h
     Original Estimate: 0h

At present, we limit users only by the particular user's total number of tasks and as such,
numJobsByUser is not useful at all. Unless we wish to limit users by the number of jobs also
in the future, we can altogether remove numJobsByUser. May or may not be in this patch though.

> 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
>
>   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(org.apache.hadoop.mapred.TaskTrackerStatus@177a878, false, true, 100) from
<ipaddress:port>: error: java.io.IOException: java.lang.NullPointerException  
> is observed in Jobtracker log.

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