Pig
  1. Pig
  2. PIG-207

New illustrate command does not work in mapreduce mode.

    Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Minor Minor
    • Resolution: Fixed
    • Affects Version/s: 0.1.0
    • Fix Version/s: 0.1.0
    • Component/s: impl
    • Labels:
      None

      Description

      In local mode, illustrate will work. But if exectype is set to mapreduce, then:

      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)
      

      dump a and dump b work.

      1. exgen.patch
        12 kB
        Shubham Chopra

        Activity

          People

          • Assignee:
            Shubham Chopra
            Reporter:
            Alan Gates
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            Dates

            • Created:
              Updated:
              Resolved:

              Development