Github user jerryshao commented on the issue:
https://github.com/apache/spark/pull/20812
@jinxing64 , I think using same name jars which contains different classes
seems practically is not a best practice. Ideally different udfs should be
packaged in different jars with different name/version. That will be easy for
user to manage. Also same name jars could easily cause classpath issue usually.
As you always has a workaround for this issue out of Spark. So I would
suggest not to fix it, since this is a quite user specific issue.
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