[jira] [Updated] (PIG-4873) InputSplit.getLocations return null and result a NPE in Pig

["Daniel Dai (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-4873?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel Dai updated PIG-4873:
----------------------------
    Status: Patch Available  (was: Open)

> InputSplit.getLocations return null and result a NPE in Pig
> -----------------------------------------------------------
>
>                 Key: PIG-4873
>                 URL: https://issues.apache.org/jira/browse/PIG-4873
>             Project: Pig
>          Issue Type: Bug
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>             Fix For: 0.16.0
>
>         Attachments: PIG-4873-1.patch
>
>
> A customer report a NPE stack below:
> Caused by: java.lang.NullPointerException
> at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigSplit.toString(PigSplit.java:403)
> at java.lang.String.valueOf(String.java:2854)
> at java.lang.StringBuilder.append(StringBuilder.java:128)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:753)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
> at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
> It is be a MapReduce issue to return null in InputSplit.getLocations. But it is unnecessary to fail the job just because Pig needs to print out the information for the split. The job run normally after capture the null.



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