Gopal V created HIVE-10121:
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             Summary: Implement a hive --service udflint command to check UDF 
jars for common shading mistakes
                 Key: HIVE-10121
                 URL: https://issues.apache.org/jira/browse/HIVE-10121
             Project: Hive
          Issue Type: New Feature
          Components: UDF
            Reporter: Gopal V


Several SerDe and UDF jars tend to shade in various parts of the dependencies 
including hadoop-common or guava without relocation.

Implement a simple udflint tool which automates some part of the class path and 
shaded resources audit process required when upgrading a hive install from an 
old version to a new one.



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