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https://issues.apache.org/jira/browse/PIG-909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12739287#action_12739287
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Dmitriy V. Ryaboy commented on PIG-909:
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Daniel, not sure what you mean.
Do you mean that the patch makes it necessary to have an external version of 
hadoop to build/run pig?
That's not the case, as I wrapped the whole thing in an if -- external hadoop 
jars will only be used instead of the bundled hadoop.jar if HADOOP_HOME is 
defined (and valid).

> Allow Pig executable to use hadoop jars not bundled with pig
> ------------------------------------------------------------
>
>                 Key: PIG-909
>                 URL: https://issues.apache.org/jira/browse/PIG-909
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Dmitriy V. Ryaboy
>            Priority: Minor
>         Attachments: pig_909.2.patch, pig_909.patch
>
>
> The current pig executable (bin/pig) looks for a file named 
> hadoop${PIG_HADOOP_VERSION}.jar that comes bundled with Pig.
> The proposed change will allow Pig to look in $HADOOP_HOME for the hadoop 
> jars, if that variable is set.

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