Hadoop QA commented on PIG-1030:

+1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 831402.

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

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +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: 
Findbugs warnings: 
Console output: 

This message is automatically generated.

> explain and dump not working with two UDFs inside inner plan of foreach
> -----------------------------------------------------------------------
>                 Key: PIG-1030
>                 URL: https://issues.apache.org/jira/browse/PIG-1030
>             Project: Pig
>          Issue Type: Bug
>            Reporter: Ying He
>            Assignee: Richard Ding
>         Attachments: PIG-1030.patch, PIG-1030.patch
> this scprit does not work
> register /homes/yinghe/owl/string.jar;
> a = load '/user/yinghe/a.txt' as (id, color);
> b = group a all;
> c = foreach b {
>     d = distinct a.color;
>     generate group, string.BagCount2(d), string.ColumnLen2(d, 0);
> }
> the udfs are regular, not algebraic.
> then if I call  "dump c;" or "explain c", I would get  this error message.
> ERROR org.apache.pig.tools.grunt.Grunt - ERROR 2019: Expected to find plan 
> with single leaf. Found 2 leaves.
> The error only occurs for the first time, after getting this error, if I call 
> "dump c" or "explain c" again, it would succeed.

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