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Posted to dev@pig.apache.org by "Alan Gates (JIRA)" <ji...@apache.org> on 2008/04/17 19:23:24 UTC

[jira] Created: (PIG-207) New illustrate command does not work in mapreduce mode.

New illustrate command does not work in mapreduce mode.
-------------------------------------------------------

                 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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[jira] Updated: (PIG-207) New illustrate command does not work in mapreduce mode.

Posted by "Alan Gates (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/PIG-207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alan Gates updated PIG-207:
---------------------------

    Affects Version/s:     (was: 0.0.0)
                       0.1.0
               Status: Patch Available  (was: Open)

Patch previously submitted by Shubham

> New illustrate command does not work in mapreduce mode.
> -------------------------------------------------------
>
>                 Key: PIG-207
>                 URL: https://issues.apache.org/jira/browse/PIG-207
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.1.0
>            Reporter: Alan Gates
>            Priority: Minor
>         Attachments: exgen.patch
>
>
> 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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[jira] Updated: (PIG-207) New illustrate command does not work in mapreduce mode.

Posted by "Alan Gates (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/PIG-207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alan Gates updated PIG-207:
---------------------------

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

Patch checked in at revision 650688.  Thanks Shubham.

> New illustrate command does not work in mapreduce mode.
> -------------------------------------------------------
>
>                 Key: PIG-207
>                 URL: https://issues.apache.org/jira/browse/PIG-207
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.1.0
>            Reporter: Alan Gates
>            Priority: Minor
>         Attachments: exgen.patch
>
>
> 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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[jira] Updated: (PIG-207) New illustrate command does not work in mapreduce mode.

Posted by "Shubham Chopra (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/PIG-207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shubham Chopra updated PIG-207:
-------------------------------

    Attachment: exgen.patch

Patch fixing the bug. The test cases are also modified accordingly to ensure the HDFS connectivity is established using the MiniCluster

> New illustrate command does not work in mapreduce mode.
> -------------------------------------------------------
>
>                 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
>         Attachments: exgen.patch
>
>
> 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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