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https://issues.apache.org/jira/browse/HIVE-24636?focusedWorklogId=543621&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-543621
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ASF GitHub Bot logged work on HIVE-24636:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 28/Jan/21 12:38
            Start Date: 28/Jan/21 12:38
    Worklog Time Spent: 10m 
      Work Description: zmatyus opened a new pull request #1924:
URL: https://github.com/apache/hive/pull/1924


   ### What changes were proposed in this pull request?
   
   When a class loader is being closed, it should also be released from the 
`org.apache.commons.logging.LogFactory#factories`, where it is being used as a 
key.
   
   ### Why are the changes needed?
   
   Current implementation has a slow but steady memory leak.
   
   ### Does this PR introduce any user-facing change?
   
   No
   
   ### How was this patch tested?


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 543621)
    Time Spent: 1h 50m  (was: 1h 40m)

> Memory leak due to stacking UDFClassLoader in Apache Commons LogFactory
> -----------------------------------------------------------------------
>
>                 Key: HIVE-24636
>                 URL: https://issues.apache.org/jira/browse/HIVE-24636
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2
>    Affects Versions: 3.1.0
>            Reporter: dohongdayi
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-24636.1.patch.txt
>
>          Time Spent: 1h 50m
>  Remaining Estimate: 0h
>
> Much the same asĀ [HIVE-7563|https://issues.apache.org/jira/browse/HIVE-7563], 
> after ClassLoader is closed in JavaUtils, it should be released by Apache 
> Commons LogFactory, or the ClassLoader can't be Garbage Collected, which 
> leads to memory leak, exactly our PROD met.



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