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From "Olga Natkovich (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (PIG-375) Exception with implicit split
Date Tue, 12 Aug 2008 18:39:44 GMT

     [ https://issues.apache.org/jira/browse/PIG-375?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Olga Natkovich reassigned PIG-375:
----------------------------------

    Assignee: Shravan Matthur Narayanamurthy

Shravan, could you take a look, thanks

> Exception with implicit split
> -----------------------------
>
>                 Key: PIG-375
>                 URL: https://issues.apache.org/jira/browse/PIG-375
>             Project: Pig
>          Issue Type: Bug
>            Reporter: Olga Natkovich
>            Assignee: Shravan Matthur Narayanamurthy
>            Priority: Critical
>
> Script:
> grunt> A = load 'foo';
> grunt> B = foreach A generate $0;
> grunt> C = foreach A generate $1;
> grunt> D = Union B, C;
> grunt> dump D;
> Error:
> 08/08/12 11:36:57 ERROR plan.OperatorPlan: Attempt to give operator of type org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLoad
multiple outputs.  This operator does not support multiple outputs.
> 08/08/12 11:36:57 ERROR physicalLayer.LogToPhyTranslationVisitor: Invalid physical operators
in the physical planAttempt to give operator of type org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLoad
multiple outputs.  This operator does not support multiple outputs.
> 08/08/12 11:36:59 ERROR grunt.GruntParser: java.io.IOException: Unable to open iterator
for alias: E [null]
>         at org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.execute(HExecutionEngine.java:268)
>         at org.apache.pig.PigServer.execute(PigServer.java:519)
>         at org.apache.pig.PigServer.openIterator(PigServer.java:307)
>         at org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:258)
>         at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:175)
>         at org.apache.pig.tools.grunt.GruntParser.parseContOnError(GruntParser.java:92)
>         at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:58)
>         at org.apache.pig.Main.main(Main.java:278)
> Caused by: org.apache.pig.backend.executionengine.ExecException
>         ... 8 more
> Caused by: org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobCreationException
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.compile(JobControlCompiler.java:162)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.compile(JobControlCompiler.java:107)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:68)
>         at org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.execute(HExecutionEngine.java:258)
>         ... 7 more
> Caused by: java.lang.ClassCastException: org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLimit
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.getJobConf(JobControlCompiler.java:203)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.compile(JobControlCompiler.java:156)
>         ... 10 more

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