[CASSANDRA-18831] JDK21 support

• Type: Task
• Status: Patch Available
• Priority: Normal
• Resolution: Unresolved
• Fix Version/s: 5.x
• Component/s: Build
• Change Category: Operability
• Complexity: Normal
• Platform: All

Test and Documentation Plan

Documentation updated for JDK21 support; no new tests required and tests updated to be compatible.

• Assignee: Josh McKenzie
• Reporter: Achilles Benetopoulos

Authors

Josh McKenzie

Reviewers

Ekaterina Dimitrova, Michael Semb Wever

• Created: 08/Sep/23 23:05
• Updated: 02/Dec/24 14:17

Description

This patch builds on the work in CASSANDRA-16895 that added JDK17 to the list of supported Java versions, and extends that work to enable building and running Cassandra under JDK21.

The following commits comprise the changes included in the attached patch:

• https://github.com/apache/cassandra/commit/b15d4d6980e787ab5f3405ca8cb17a9c92a4aa47

• https://github.com/apache/cassandra/commit/0c5df38dafe58bfec8924e81507bb604e1543897

• https://github.com/apache/cassandra/commit/6506b7279d98eed4b2b65b71e0c6f41eb78c6913

• https://github.com/apache/cassandra/commit/564cbd534c5a975cda0c629c14c68c8745b41451

Issue Links

• is related to: CASSANDRA-18844 Cassandra 5 Debian package only runs on OpenJDK