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https://issues.apache.org/jira/browse/HIVE-8218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14143704#comment-14143704
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peter liu commented on HIVE-8218:
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I think such case could more likely happen to permanent UDFs instead of temp
UDFs.
One comment is users better to upload their Jar files to HDFS instead of use
'add jar' before creating permanent UDFs.
> function registry shared across sessions in HiveServer2
> -------------------------------------------------------
>
> Key: HIVE-8218
> URL: https://issues.apache.org/jira/browse/HIVE-8218
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2, UDF
> Reporter: Thejas M Nair
>
> FunctionRegistry.mFunctions is static. That mean that in HS2 case, all users
> will have same set of valid udfs. Ie, add/delete jar by one user would affect
> the namespace of other users.
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