Zhihua Deng created HIVE-22989:
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Summary: Don't close parent classloader when session being closed
Key: HIVE-22989
URL: https://issues.apache.org/jira/browse/HIVE-22989
Project: Hive
Issue Type: Improvement
Components: HiveServer2
Reporter: Zhihua Deng
When hiveserver2 load udfs, Registry will use session specified classloader to
load them and add cache the classloader. When user don't set the aux jars,
the classloader cached is equal to the session's parent classloader, in our
case, we don't set the aux jars while update the session's parent classloader
periodicity to update user jars dynamically. It's should do a sanity check when
Registry closes the cached classloaders.
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