[FLINK-25969] org.apache.flink.table.runtime.generated.CompileUtils might cause class leaks

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.15.0
• Fix Version/s: 1.15.0
• Component/s: Table SQL / Runtime
• Labels: pull-request-available
• Assignee: Timo Walther
• Reporter: Yun Gao
• Created: 07/Feb/22 08:25
• Updated: 07/Mar/22 08:20
• Resolved: 07/Mar/22 08:20

Description

CompileUtils has two static caches, namely COMPILED_CACHE and COMPILED_EXPRESSION_CACHE. COMPILED_CACHE is check that it might cache the user ClassLoaders with strong references, thus it might need be improved. COMPILED_EXPRESSION_CACHE would need a double check.

Issue Links

• links to: GitHub Pull Request #18971