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https://issues.apache.org/jira/browse/PIG-4967?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15427814#comment-15427814
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Xiang Li commented on PIG-4967:
-------------------------------
[~daijy]
I uploaded the very first patch
1. It is almost to clone ControlledJob.toString() and then add try and catch to
handle NPE.
2. The patch applies to branch-0.15, branch-0.16 and trunk.
3. PigJobControl for hadoop20
(shims/src/hadoop20/org/apache/pig/backend/hadoop20/PigJobControl.java) does
not have the same issue
4. PigJobControl originally has indent=2 spaces.
I am trying to see if I can add UT for this fix, but currently, I have no idea
how to simulate the condition of status=null. Keep studying.
Would you please review the patch at your earliest convenience? Thanks for your
patience and guidance.
> NPE in PigJobControl.run() when job status is null
> --------------------------------------------------
>
> Key: PIG-4967
> URL: https://issues.apache.org/jira/browse/PIG-4967
> Project: Pig
> Issue Type: Bug
> Reporter: Xiang Li
> Assignee: Xiang Li
> Priority: Critical
> Attachments: PIG-4967-0.patch
>
>
> {code}
> [JobControl] ERROR org.apache.pig.backend.hadoop23.PigJobControl - Error
> while trying to run jobs.
> java.lang.NullPointerException
> at org.apache.hadoop.mapreduce.Job.getJobName(Job.java:426)
> at
> org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob.toString(ControlledJob.java:93)
> at java.lang.String.valueOf(String.java:2982)
> at java.lang.StringBuilder.append(StringBuilder.java:131)
> at
> org.apache.pig.backend.hadoop23.PigJobControl.run(PigJobControl.java:182)
> at java.lang.Thread.run(Thread.java:745)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher$1.run(MapReduceLauncher.java:276)
> {code}
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