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From "Viraj Bhat (JIRA)" <j...@apache.org>
Subject [jira] Reopened: (PIG-1194) ERROR 2055: Received Error while processing the map plan
Date Wed, 10 Feb 2010 20:04:32 GMT

     [ https://issues.apache.org/jira/browse/PIG-1194?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Viraj Bhat reopened PIG-1194:
-----------------------------


Hi Richard,
 I ran the script attached on the ticket and found out that the map tasks fails with the following
error:

org.apache.pig.backend.executionengine.ExecException: ERROR 2055: Received Error while processing
the map plan. at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:281)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:244)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:94)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:50) at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:358)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:307) at org.apache.hadoop.mapred.Child.main(Child.java:159)


I am using the latest pig.jar without hadoop.
Viraj

> ERROR 2055: Received Error while processing the map plan
> --------------------------------------------------------
>
>                 Key: PIG-1194
>                 URL: https://issues.apache.org/jira/browse/PIG-1194
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.5.0, 0.6.0
>            Reporter: Viraj Bhat
>            Assignee: Richard Ding
>             Fix For: 0.7.0
>
>         Attachments: inputdata.txt, PIG-1194.patch, PIG-1194.patch
>
>
> I have a simple Pig script which takes 3 columns out of which one is null. 
> {code}
> input = load 'inputdata.txt' using PigStorage() as (col1, col2, col3);
> a = GROUP input BY (((double) col3)/((double) col2) > .001 OR col1 < 11 ? col1
: -1);
> b = FOREACH a GENERATE group as col1, SUM(input.col2) as col2, SUM(input.col3) as  col3;
> store b into 'finalresult';
> {code}
> When I run this script I get the following error:
> ERROR 2055: Received Error while processing the map plan.
> org.apache.pig.backend.executionengine.ExecException: ERROR 2055: Received Error while
processing the map plan.
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:277)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:240)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:93)
>         at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:50)
>         at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:358)
>         at org.apache.hadoop.mapred.MapTask.run(MapTask.java:307)
> ================================================================================
> A more useful error message for the purpose of debugging would be helpful.
> Viraj

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