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

                 Key: PIG-375
                 URL: https://issues.apache.org/jira/browse/PIG-375
             Project: Pig
          Issue Type: Bug
            Reporter: Olga Natkovich
            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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