pan3793 edited a comment on pull request #33989:
URL: https://github.com/apache/spark/pull/33989#issuecomment-919637709


   If I understand correctly, the `hive-shaded` module creates a fat jar that 
contains all hive classes and the classes from transitive dependencies of hive, 
but only a few classes are relocated. (Correct me if I'm wrong)
   
   That means those classes which are not relocated will cause class conflict 
if the user also provides the original jars, e.g. HikariCP.
   
   For this case, maybe we can learn something from 
https://github.com/trinodb/trino-hive-apache


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