OpenSSL legacy and JDK 21

While updating the Edusign validator to a newer version, I had to build the image with JDK 21 (which is there in Debian Sid). And while the application starts, it fails to read the TLS keystore file with a specific error: ... 13 common frames omitted Caused by: java.lang.IllegalStateException: Could not load store from '/tmp/demo.edusign.sunet.se.p12' at…