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From "Viraj Bhat (JIRA)" <j...@apache.org>
Subject [jira] Updated: (PIG-540) PigProgressable object not being set in the EvalFunc
Date Fri, 21 Nov 2008 02:30:44 GMT

     [ https://issues.apache.org/jira/browse/PIG-540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Viraj Bhat updated PIG-540:
---------------------------

    Attachment: myurldata.txt

Input file myurldata.txt

> PigProgressable object not being set in the EvalFunc 
> -----------------------------------------------------
>
>                 Key: PIG-540
>                 URL: https://issues.apache.org/jira/browse/PIG-540
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: types_branch
>            Reporter: Viraj Bhat
>             Fix For: types_branch
>
>         Attachments: myurldata.txt
>
>
> The UDF RegexMatcher, reports its progress using the reporter (PigProgressable) object
in the exec method. It seems that the reporter object is not being set in the EvalFunc and
hence the following piece of Pig script runs into problems in the mapper with the following
error.
> {code}
> register string.jar;
> define getCompanyName string.RegexMatcher('www.(.*).com');
> a = load '/user/viraj/myurldata.txt' as (url:chararray, count:long);
> b = foreach a generate url, getCompanyName(url) as bcookie;
> dump b;
> {code}
> =======================================================================================================================
> Error that results from the above script
> =======================================================================================================================
> 2008-11-21 02:17:00,593 [main] ERROR org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.Launcher
- Error message from task (map) task_200810152105_0170_m_000000java.lang.NullPointerException
>         at string.RegexMatcher.exec(RegexMatcher.java:50)
>         at string.RegexMatcher.exec(RegexMatcher.java:30)
>         at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNext(POUserFunc.java:179)
>         at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNext(POUserFunc.java:201)
>         at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:230)
>         at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:180)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:170)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:158)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapOnly$Map.map(PigMapOnly.java:65)
>         at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47)
>         at org.apache.hadoop.mapred.MapTask.run(MapTask.java:227)
>         at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2209)
> =======================================================================================================================

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