I've used a docker container / https://code.visualstudio.com/docs/devcontainers/tutorial for this

If you're using VS Code/Calva and devcontainers, it's surprisingly straightforward

See https://github.com/danielmartincraig/coffi-demo-deps for an example of how I used JDK 18 and https://github.com/IGJoshua/coffi to try out the new features of project panama

Sorry, I know you asked in the Cider channel; maybe devcontainers can be used in emacs/cider too

coffi certainly looks interesting, and I can take a look at the docker solution until another solution pops up.

In case you didn't know, SDKMan makes changing the system jdk relatively pain-free

that might be worth looking into as well

if you try SDKMan you might be interested in checking out its https://sdkman.io/usage#env

https://www.jenv.be/ is a very simple to use tool to set the version of Java jdk to use

SDKMan is a good option for managing your JDK environment docker tends to complicate things a bit when it comes to jacking in

have you evaluated all of the forms in the project yet? it ought to evaluate all forms on startup, but if there’s a form that fails to evaluate and yet you don’t hear about it, the tests might will have been prevented from loading

yes. also I believe that clojure -M:test would do that as well

… seems like I was missing "test" in here :paths ["src" "test"]