Maven, when I simply put this: -XX:+ShowCodeDetailsInExceptionMessages
...into the Project Properties under Run | VM Options, it provides the additional info I expect without a problem. Gj On Sat, May 16, 2020 at 7:26 AM Geertjan Wielenga <geert...@apache.org> wrote: > What kind of project are you using? Ant, Maven, or Gradle? > > Gj > > On Wed, May 13, 2020 at 2:42 PM HRH <hrh...@yahoo.com.invalid> wrote: > >> Hi, >> I am new to Netbeans. I have configured Netbeans 11.3 with JDK 14. I >> would like to compile my project in the IDE environment with a compiler >> option to show code details in exceptions " >> -XX:+ShowCodeDetailsInExceptionMessages". In the "Project >> properties"->Build->Compile, I do not see how I can add this option. There >> is a "Additional Compile Option" field under "Run Compile in External VM" >> but I that's not for IDE compilation (out of curiosity tried it and >> received an invalid flag error" >> >> Thanks for any help. >> >