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https://issues.apache.org/jira/browse/HADOOP-4288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12635320#action_12635320
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Karam Singh commented on HADOOP-4288:
-------------------------------------
Yes, "JOb to be removed for user $user "and "No more jobs for user, number of
users" are pesrent in Jobtracker log. And problem occurs when there more than
one jobs submiitted by same user and one job of the job is finished as pointed
out by Amar.
Also I was using path for Hadoop-4053
[this|https://issues.apache.org/jira/secure/attachment/12390257/HADOOP-4053-v1.patch]
which internally calls 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
>
> 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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