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Pig, mail # user - Error to read counters into Rank operation


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Error to read counters into Rank operation
John Meek 2013-05-13, 12:21
Hey all,

One of my scripts is giving the below error. The script works fine when I run it in Grunt but I get the "Error to read counters into Rank operation counterSize 0".
??
I see this  https://issues.apache.org/jira/browse/PIG-2985 but unable to decipher. Can someone let me know what this means?
Pig Stack Trace
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ERROR 2043: Unexpected error during execution.

org.apache.pig.backend.executionengine.ExecException: ERROR 2043: Unexpected error during execution.
    at org.apache.pig.PigServer.launchPlan(PigServer.java:1275)
    at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1249)
    at org.apache.pig.PigServer.execute(PigServer.java:1239)
    at org.apache.pig.PigServer.executeBatch(PigServer.java:333)
    at org.apache.pig.tools.grunt.GruntParser.executeBatch(GruntParser.java:137)
    at org.apache.pig.tools.grunt.GruntParser.processFsCommand(GruntParser.java:1021)
    at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:123)
    at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:194)
    at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:170)
    at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:84)
    at org.apache.pig.Main.run(Main.java:604)
    at org.apache.pig.Main.main(Main.java:157)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.apache.hadoop.util.RunJar.main(RunJar.java:208)
Caused by: java.lang.RuntimeException: Error to read counters into Rank operation counterSize 0
    at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.saveCounters(JobControlCompiler.java:369)
    at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.updateMROpPlan(JobControlCompiler.java:315)
    at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:370)
    at org.apache.pig.PigServer.launchPlan(PigServer.java:1264)
    ... 16 more
Caused by: java.lang.NullPointerException
    at org.apache.hadoop.mapreduce.counters.Limits.filterName(Limits.java:44)
    at org.apache.hadoop.mapreduce.counters.Limits.filterGroupName(Limits.java:52)
    at org.apache.hadoop.mapreduce.counters.AbstractCounters.getGroup(AbstractCounters.java:220)
    at org.apache.hadoop.mapred.Counters.getGroup(Counters.java:84)
    at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.saveCounters(JobControlCompiler.java:343)
    ... 19 more
-JM