I actually installed Open JDK 11 because version 12 doesn't exist. I didn't do anything to my NetBeans install... perhaps I'll reinstall it again...
I've observed no change, and I have no idea. Help appreciated. On Sun, 29 Nov 2020 at 16:48, Owen Thomas <owen.paul.tho...@gmail.com> wrote: > I did find something on Stack Overflow > <https://stackoverflow.com/questions/56952163/ubuntu-18-04-netbeans-10-0-fatal-error-unable-to-find-package-java-lang-in-clas> > about using a JDK that is later than the installed version of NetBeans. I > have installed OpenJDK 14. I think this advice is dubious, but I am going > to follow it now by uninstalling 14 and installing 12. I'll post something > saying how I get on. > > On Sun, 29 Nov 2020 at 16:32, Owen Thomas <owen.paul.tho...@gmail.com> > wrote: > >> Hello. >> >> I've just installed 12.1 on a new computer I have acquired. When I >> restart NetBeans after deleting my cache, I get the attached error telling >> me the IDE cannot find java.lang. I have no idea why this error is >> appearing, and would appreciate some advice. >> >> Thanks in advance for your help. >> >> Owen. >> >