Den sön 21 aug. 2022 kl 20:13 skrev Eric Bresie <[email protected]>:
> One of the errors mentions trying to run an app compiled on a newer version > (18) while running with an older JRE (11). > > See https://javaalmanac.io/bytecode/versions/ > > Have you cleaned and build with current JDK and JRE? > Yes, it's built from scratch with a current jdk. > Is your maven using the correct JDK? > It sure looks that way when I check the first line in netbeans output window when trying to run a file.
