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https://issues.apache.org/jira/browse/PIG-4232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14190308#comment-14190308
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Praveen Rachabattuni commented on PIG-4232:
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Could you check if modifying POUserFunc and POForEach be avoided by
initializing UDFContext before these objects are used.
You might use jobConf to initialise the UDFContext like Rohini was suggesting.
> UDFContext is not initialized in executors when running on Spark cluster
> ------------------------------------------------------------------------
>
> Key: PIG-4232
> URL: https://issues.apache.org/jira/browse/PIG-4232
> Project: Pig
> Issue Type: Sub-task
> Components: spark
> Reporter: Praveen Rachabattuni
> Assignee: liyunzhang_intel
> Attachments: PIG-4232.patch, PIG-4232_1.patch
>
>
> UDFContext is used in lot of features across pig code base. For example its
> used in PigStorage to pass columns information between the frontend and the
> backend code.
> https://github.com/apache/pig/blob/spark/src/org/apache/pig/builtin/PigStorage.java#L246-L247
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