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https://issues.apache.org/jira/browse/PIG-2040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13029093#comment-13029093
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Daniel Dai commented on PIG-2040:
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bq. I remember a user trying to parse schemas using the Util.parseFromString()
method in an UDF. This might require shipping the antlr binaries to the
back-end. Will this patch address this issue too?
No, it will not. Seems we need to ship antlr.jar as well. But still put
classloader into PigContext is more clear. Also I wonder how
Util.parseFromString() works now? We don't ship javacc as well.
> Move classloader from QueryParserDriver to PigContext
> -----------------------------------------------------
>
> Key: PIG-2040
> URL: https://issues.apache.org/jira/browse/PIG-2040
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.9.0
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.9.0
>
> Attachments: PIG-2040-1.patch
>
>
> After PIG-1775, mapreduce mode fail. The reason is we move classloader from
> LogicalPlanBuilder to QueryParserDriver, which will need antlr.jar, however,
> we don't ship antlr.jar to backend. It is better to move classloader to
> PigContext.
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