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https://issues.apache.org/jira/browse/HADOOP-615?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12546893
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Nigel Daley commented on HADOOP-615:
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I still see this occasionally with Hadoop 0.14.3.
myMetrics.submitJob();
throws NPE on line 1491.
> Sporadic TestEmptyJobWithDFS failure due to NPE is JobTracker.submitJob()
> -------------------------------------------------------------------------
>
> Key: HADOOP-615
> URL: https://issues.apache.org/jira/browse/HADOOP-615
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.7.2
> Reporter: Nigel Daley
> Assignee: Owen O'Malley
> Attachments: TEST-org.apache.hadoop.mapred.TestEmptyJobWithDFS.txt
>
>
> org.apache.hadoop.mapred.TestEmptyJobWithDFS has failed a couple of times
> (low reproducibility) with the following exception:
> 2006-10-17 21:48:24,875 INFO ipc.Server (Server.java:run(516)) - Server
> handler 2 on 50050 call error: java.io.IOException:
> java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at org.apache.hadoop.mapred.JobTracker.submitJob(JobTracker.java:1020)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:385)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:514)
> Complete test log attached.
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