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Posted to issues@hive.apache.org by "Zhihua Deng (Jira)" <ji...@apache.org> on 2020/12/21 10:15:00 UTC

[jira] [Issue Comment Deleted] (HIVE-22989) Don't close parent classloader when session being closed

     [ https://issues.apache.org/jira/browse/HIVE-22989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhihua Deng updated HIVE-22989:
-------------------------------
    Comment: was deleted

(was: The failed test seems not related, thanks reviewing!)

> 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
>            Assignee: Zhihua Deng
>            Priority: Minor
>              Labels: pull-request-available
>         Attachments: HIVE-22989.patch
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> When hiveserver2 loads udfs,  Registry will use the session's specified classloader to load them and 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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