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From "Thejas M Nair (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-2402) inIllustrator condition in PigMapReduce is wrong for hadoop 23
Date Wed, 07 Dec 2011 21:28:40 GMT

    [ 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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