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https://issues.apache.org/jira/browse/PIG-2402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13164718#comment-13164718
]
Thejas M Nair commented on PIG-2402:
------------------------------------
+1
> inIllustrator condition in PigMapReduce is wrong for hadoop 23
> --------------------------------------------------------------
>
> Key: PIG-2402
> URL: https://issues.apache.org/jira/browse/PIG-2402
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.10, 0.9.2, 0.11
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Labels: hadoop2.0
> Fix For: 0.10, 0.9.2, 0.11
>
> Attachments: PIG-2402-1.patch
>
>
> Current logic is:
> context instanceof WrappedMapper.Context
> It is no longer working in current 0.23 branch. I see test failure in some
> tests, such as SkewedJoin_6.
> Here is the stack:
> Error: java.lang.NullPointerException at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStore.getNext(POStore.java:146)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POSplit.runPipeline(POSplit.java:254)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POSplit.processPlan(POSplit.java:236)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POSplit.getNext(POSplit.java:228)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.runPipeline(PigGenericMapBase.java:271)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.map(PigGenericMapBase.java:266)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.map(PigGenericMapBase.java:64)
> at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144) at
> org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:711) at
> org.apache.hadoop.mapred.MapTask.run(MapTask.java:328) at
> org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:147) 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:1154)
> at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:142)
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