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https://issues.apache.org/jira/browse/PIG-949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12757996#action_12757996
 ] 

Hadoop QA commented on PIG-949:
-------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12420202/Pig_949.patch
  against trunk revision 816832.

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified 
tests.
                        Please justify why no tests are needed for this patch.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac 
compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 release audit.  The applied patch does not increase the total number of 
release audit warnings.

    +1 core tests.  The patch passed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: 
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/40/testReport/
Findbugs warnings: 
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/40/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: 
http://hudson.zones.apache.org/hudson/job/Pig-Patch-h7.grid.sp2.yahoo.net/40/console

This message is automatically generated.

> Zebra Bug: splitting map into multiple column group using storage hint causes 
> unexpected behaviour
> --------------------------------------------------------------------------------------------------
>
>                 Key: PIG-949
>                 URL: https://issues.apache.org/jira/browse/PIG-949
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.4.0
>         Environment: linux
>            Reporter: Alok Singh
>            Assignee: Yan Zhou
>         Attachments: Pig_949.patch
>
>
> Hi 
>  The storage hint
> specification plays a important part whether the output table is readable or 
> not
> say if we have have the map 'map'.
> One can split the map into a column group using [map#{k1}, map#{k2}...] 
> however the remaining map field will automatically be added to the default 
> group.
> if user try to create a new column group for the remaining fields as follows
> [map#{k1}, map#{k2}, ..][map] i.e create a seperate column group
> the table writer will create the table.
> however, if one tries to load the created table via pig or via map reduce 
> using TableInputFormat
>  
> then the reader  have problem reading the map
> We get the following stack trace
> 09/09/09 00:09:45 INFO mapred.JobClient: Task Id : 
> attempt_200908191538_33939_m_000021_2, Status : FAILED
> java.io.IOException: getValue() failed: null
>         at 
> org.apache.hadoop.zebra.io.BasicTable$Reader$BTScanner.getValue(BasicTable.java:775)
>         at 
> org.apache.hadoop.zebra.mapred.TableRecordReader.next(TableInputFormat.java:717)
>         at 
> org.apache.hadoop.zebra.mapred.TableRecordReader.next(TableInputFormat.java:651)
>         at 
> org.apache.hadoop.mapred.MapTask$TrackedRecordReader.moveToNext(MapTask.java:191)
>         at 
> org.apache.hadoop.mapred.MapTask$TrackedRecordReader.next(MapTask.java:175)
>         at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:48)
>         at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:356)
>         at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
>         at org.apache.hadoop.mapred.Child.main(Child.java:170)
> Alok

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