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Posted to dev@pig.apache.org by "Thejas M Nair (JIRA)" <ji...@apache.org> on 2009/11/25 02:02:39 UTC

[jira] Commented: (PIG-1105) COUNT_STAR accumulate interface implementation cases failure

    [ https://issues.apache.org/jira/browse/PIG-1105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12782259#action_12782259 ] 

Thejas M Nair commented on PIG-1105:
------------------------------------

Stack trace from failed job -

org.apache.pig.backend.executionengine.ExecException: ERROR 2106: Error while computing min in COUNT_STAR
        at org.apache.pig.builtin.COUNT_STAR.accumulate(COUNT_STAR.java:145)
        at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNext(POUserFunc.java:204)
        at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNext(POUserFunc.java:293)
        at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:358)
        at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:277)
        at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:260)
        at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:237)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Reduce.runPipeline(PigMapReduce.java:423)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Reduce.processOnePackageOutput(PigMapReduce.java:391)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Reduce.reduce(PigMapReduce.java:371)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Reduce.reduce(PigMapReduce.java:239)
        at org.apache.hadoop.mapred.ReduceTask.runOldReducer(ReduceTask.java:463)
        at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:411)
        at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:215)
Caused by: java.lang.RuntimeException: AccumulativeBag does not support size() operation
        at org.apache.pig.data.AccumulativeBag.size(AccumulativeBag.java:71)
        at org.apache.pig.builtin.COUNT_STAR.accumulate(COUNT_STAR.java:139)
        ... 13 more


> COUNT_STAR accumulate interface implementation cases failure
> ------------------------------------------------------------
>
>                 Key: PIG-1105
>                 URL: https://issues.apache.org/jira/browse/PIG-1105
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>            Reporter: Thejas M Nair
>
> COUNT_STAR.accumulate is calling sum() which is supposed to be used by intermediate and final parts of algebraic interface.

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