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https://issues.apache.org/jira/browse/PIG-4220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14156965#comment-14156965
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Rohini Palaniswamy commented on PIG-4220:
-----------------------------------------
Why not just call PigMapReduceCounter.PigReduceCounter.incrementCounter(0);?
> MapReduce-based Rank failing with NPE due to missing Counters
> -------------------------------------------------------------
>
> Key: PIG-4220
> URL: https://issues.apache.org/jira/browse/PIG-4220
> Project: Pig
> Issue Type: Bug
> Reporter: Koji Noguchi
> Attachments: pig-4220-v01.txt
>
>
> User reported his pig job with Rank was failing at
> {noformat}
> Pig Stack Trace
> ---------------
> 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:1296)
> at
> org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1270)
> at org.apache.pig.PigServer.execute(PigServer.java:1260)
> at org.apache.pig.PigServer.executeBatch(PigServer.java:354)
> at
> org.apache.pig.tools.grunt.GruntParser.executeBatch(GruntParser.java:138)
> at
> org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:200)
> at
> org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:171)
> at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:84)
> at org.apache.pig.Main.run(Main.java:480)
> at org.apache.pig.Main.main(Main.java:157)
> Caused by: java.lang.RuntimeException: Error to read counters into Rank
> operation counterSize 277
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.saveCounters(JobControlCompiler.java:384)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.updateMROpPlan(JobControlCompiler.java:330)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:385)
> at org.apache.pig.PigServer.launchPlan(PigServer.java:1285)
> ... 9 more
> Caused by: java.lang.NullPointerException
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.saveCounters(JobControlCompiler.java:375)
> ... 12 more
> {noformat}
> (this is different from PIG:3985 NPE)
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