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From "Daniel Dai (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (PIG-2402) inIllustrator condition in PigMapReduce is wrong for hadoop 23
Date Wed, 07 Dec 2011 21:56:40 GMT

     [ https://issues.apache.org/jira/browse/PIG-2402?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daniel Dai resolved PIG-2402.
-----------------------------

      Resolution: Fixed
    Hadoop Flags: Reviewed

Unit tests pass. test-patch:
     [exec] -1 overall.  
     [exec] 
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec] 
     [exec]     -1 tests included.  The patch doesn't appear to include any new or modified
tests.
     [exec]                         Please justify why no tests are needed for this patch.
     [exec] 
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec] 
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
warnings.
     [exec] 
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs warnings.
     [exec] 
     [exec]     -1 release audit.  The applied patch generated 465 release audit warnings
(more than the trunk's current 458 warnings).

No tests added since it is a regression. No new file added so ignore release audit warning.

Patch committed to trunk/0.10/0.9
                
> 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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