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https://issues.apache.org/jira/browse/PIG-2149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13066222#comment-13066222
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Alan Gates commented on PIG-2149:
---------------------------------
It means Pig ran out of memory. Can you attach your script (or some script
that replicates the problem)? Also an idea of how much data you are reading in
the script would be helpful.
> ERROR org.apache.pig.tools.grunt.GruntParser - ERROR 2997: Unable to recreate
> exception from backed error: Error: Java heap space
> ---------------------------------------------------------------------------------------------------------------------------------
>
> Key: PIG-2149
> URL: https://issues.apache.org/jira/browse/PIG-2149
> Project: Pig
> Issue Type: Bug
> Components: grunt
> Affects Versions: 0.8.0
> Environment: hadoop 0.20.2
> Linux 2.6.18-194.8.1.el5PAE #1 SMP Thu Jul 1 19:46:23 EDT 2010 i686 i686
> i386 GNU/Linux
> Reporter: Kim Sang hyun
>
> Backend error message
> ---------------------
> Error: Java heap space
> Pig Stack Trace
> ---------------
> ERROR 2997: Unable to recreate exception from backed error: Error: Java heap
> space
> org.apache.pig.backend.executionengine.ExecException: ERROR 2997: Unable to
> recreate exception from backed error: Error: Java heap space
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.Launcher.getErrorMessages(Launcher.java:221)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.Launcher.getStats(Launcher.java:151)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:337)
> at
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.execute(HExecutionEngine.java:378)
> at
> org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1198)
> at org.apache.pig.PigServer.execute(PigServer.java:1190)
> at org.apache.pig.PigServer.access$100(PigServer.java:128)
> at org.apache.pig.PigServer$Graph.execute(PigServer.java:1517)
> at org.apache.pig.PigServer.executeBatchEx(PigServer.java:362)
> at org.apache.pig.PigServer.executeBatch(PigServer.java:329)
> at
> org.apache.pig.tools.grunt.GruntParser.executeBatch(GruntParser.java:112)
> at
> org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:169)
> at
> org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:141)
> at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:90)
> at org.apache.pig.Main.run(Main.java:510)
> at org.apache.pig.Main.main(Main.java:107)
> ================================================================================
> Why this error occur?
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