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https://issues.apache.org/jira/browse/MAPREDUCE-4279?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Devaraj K updated MAPREDUCE-4279:
---------------------------------
Affects Version/s: 3.0.0
2.0.0-alpha
Status: Patch Available (was: Open)
I have uploaded a patch to fix this issue. Please review it.
> getClusterStatus() fails with null pointer exception when running jobs in
> local mode
> ------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4279
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4279
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobtracker
> Affects Versions: 2.0.0-alpha, 0.23.1, 3.0.0
> Reporter: Rahul Jain
> Assignee: Devaraj K
> Attachments: MAPREDUCE-4279.patch
>
>
> While migrating code from 0.20.2 hadoop codebase to 0.23.1 we encountered
> this issue for jobs run in local mode of execution:
> {code}
> java.lang.NullPointerException
> at
> org.apache.hadoop.mapred.JobClient.arrayToStringList(JobClient.java:783)
> at org.apache.hadoop.mapred.JobClient.access$600(JobClient.java:138)
> at org.apache.hadoop.mapred.JobClient$4.run(JobClient.java:815)
> at org.apache.hadoop.mapred.JobClient$4.run(JobClient.java:812)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:396)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1177)
> at
> org.apache.hadoop.mapred.JobClient.getClusterStatus(JobClient.java:812)
> {code}
> We are using cloudera distribution CDH4b2 for testing, however the underlying
> code is 0.23.1 and I could see no difference in this implementation.
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