[HIVE-24636] Memory leak due to stacking UDFClassLoader in Apache Commons LogFactory

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1.0
• Fix Version/s: 3.1.3, 3.2.0
• Component/s: HiveServer2
• Labels: pull-request-available
• Assignee: Zoltan Matyus
• Reporter: dohongdayi
• Due: 31/Mar/21
• Created: 14/Jan/21 11:27
• Updated: 09/Apr/22 07:03
• Resolved: 02/Feb/21 15:40

Description

Much the same as 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.

Issue Links

• relates to: HIVE-24691 Ban commons-logging (again)
• links to: GitHub Pull Request #1923
• links to: GitHub Pull Request #1924