For Buster and Bullseye Java 8 is being provided in a component/jdk8 for applications relying on Java 8 (the default JRE in Bullseye is Java 11).
Since we have upgraded to Cassandra 4 by now (which supports Java 11), we should also move to Java 11.
Since Cassandra uses profile::java, this should be as simple as changing profile::java::java_packages in Hiera on a per-cluster basis along with service restarts.
- aqs
- cassandra-dev
- ml-cache
- restbase
- sessionstore