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From "Richard Ding (JIRA)" <j...@apache.org>
Subject [jira] Updated: (PIG-1662) Need better error message for MalFormedProbVecException
Date Fri, 01 Oct 2010 18:12:34 GMT

     [ https://issues.apache.org/jira/browse/PIG-1662?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Richard Ding updated PIG-1662:
------------------------------

    Status: Patch Available  (was: Open)

> Need better error message for MalFormedProbVecException
> -------------------------------------------------------
>
>                 Key: PIG-1662
>                 URL: https://issues.apache.org/jira/browse/PIG-1662
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.7.0
>            Reporter: Richard Ding
>            Assignee: Richard Ding
>             Fix For: 0.8.0
>
>         Attachments: PIG-1662.patch
>
>
> Instead the generic error message:
> Backend error message
> ---------------------
> Caused by: org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.MalFormedProbVecException:
ERROR 2122: Sum of probabilities should be one
> 	at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.DiscreteProbabilitySampleGenerator.<init>(DiscreteProbabilitySampleGenerator.java:56)
> 	at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.WeightedRangePartitioner.setConf(WeightedRangePartitioner.java:128)
> 	... 10 more
> it can easily print out the content of the malformed probability vector.

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