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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