New illustrate command does not work in mapreduce mode.
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Key: PIG-207
URL: https://issues.apache.org/jira/browse/PIG-207
Project: Pig
Issue Type: Bug
Components: impl
Affects Versions: 0.0.0
Reporter: Alan Gates
Priority: Minor
In local mode, illustrate will work. But if exectype is set to mapreduce, then:
{noformat}
grunt> a = load 'data/test.txt';
grunt> b = filter a by $0 eq 'f2';
grunt> illustrate b;
2008-04-16 00:03:06,512 [main] ERROR org.apache.pig.tools.grunt.GruntParser -
java.lang.ClassCastException:
org.apache.pig.backend.hadoop.executionengine.HExecutionEngine cannot be cast
to org.apache.pig.backend.local.executionengine.LocalExecutionEngine
at org.apache.pig.pen.ExGen.GenerateExamples(ExGen.java:61)
at org.apache.pig.PigServer.showExamples(PigServer.java:573)
at org.apache.pig.PigServer.showExamples(PigServer.java:569)
at
org.apache.pig.tools.grunt.GruntParser.processIllustrate(GruntParser.java:131)
at
org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:172)
at
org.apache.pig.tools.grunt.GruntParser.parseContOnError(GruntParser.java:72)
at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:54)
at org.apache.pig.Main.main(Main.java:272)
{noformat}
dump a and dump b work.
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