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https://issues.apache.org/jira/browse/PIG-3261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13613608#comment-13613608
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Harsh J commented on PIG-3261:
------------------------------
We can make it configurable and document that I guess; but its kinda odd to
have to do two toggles to get an override done. In most cases of an override
requirement, users are aware of the overriding so the secondary toggle seems a
tad unnecessary.
If you prefer that strongly, I'll send in another patch - let me know :)
An alternate fix would be to simply do the PIG_CLASSPATH addition before
anything else is added to CLASSPATH, but this kinda position-in-code fix is
harder to maintain over time.
> User set PIG_CLASSPATH entries must be prepended to the CLASSPATH, not
> appended
> -------------------------------------------------------------------------------
>
> Key: PIG-3261
> URL: https://issues.apache.org/jira/browse/PIG-3261
> Project: Pig
> Issue Type: Bug
> Components: grunt
> Affects Versions: 0.10.0
> Reporter: Harsh J
> Assignee: Harsh J
> Attachments: PIG-3261.patch
>
>
> Currently we are doing this wrong:
> {code}
> if [ "$PIG_CLASSPATH" != "" ]; then
> CLASSPATH=${CLASSPATH}:${PIG_CLASSPATH}
> {code}
> This means that anything added to CLASSPATH until that point will never be
> able to get overridden by a user set environment, which is wrong behavior.
> Hadoop libs for example are added to CLASSPATH, before this extension is
> called in bin/pig.
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