[FLINK-29834] Clear static Jackson TypeFactory cache on CL release

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.17.0, 1.16.1
• Component/s: Runtime / Coordination
• Labels: pull-request-available
• Assignee: Chesnay Schepler
• Reporter: Chesnay Schepler
• Created: 01/Nov/22 09:26
• Updated: 02/Nov/22 11:38
• Resolved: 02/Nov/22 11:38

Description

The Jackson TypeFactory contains a singleton instance that is at times used by Jackson, potentially containing user-classes for longer than necessary.

https://github.com/FasterXML/jackson-databind/issues/1363

We could clear this cache whenever a user code CL is being released similar to what was done in BEAM-6460.

Issue Links

• links to: GitHub Pull Request #21214