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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5247) NPEs in JobTracker and JobClient when mapred.jobtracker.completeuserjobs.maximum is set to zero.
Date Fri, 13 Feb 2009 06:35:59 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12673157#action_12673157
] 

Vinod K V commented on HADOOP-5247:
-----------------------------------


One more on JT

{code}
2009-02-11 06:01:56,813 INFO org.apache.hadoop.ipc.Server: IPC Server handler 7 on 58069,
call heartbeat(org.apache.hadoop.mapred.TaskTrackerStatus@1d388f3, false, false, true, 9333)
from <host:port>: error: java.io.IOException: ja
va.lang.NullPointerException
java.io.IOException: java.lang.NullPointerException
        at org.apache.hadoop.mapred.JobTracker.getTasksToSave(JobTracker.java:2541)
        at org.apache.hadoop.mapred.JobTracker.heartbeat(JobTracker.java:2324)
        at sun.reflect.GeneratedMethodAccessor26.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:396)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
{code}

> NPEs in JobTracker and JobClient when mapred.jobtracker.completeuserjobs.maximum is set
to zero.
> ------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-5247
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5247
>             Project: Hadoop Core
>          Issue Type: Bug
>            Reporter: Vinod K V
>


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