On Tue, 28 Jan 2025 23:23:44 GMT, Phil Race <p...@openjdk.org> wrote:
> So this is much better than what was there in the beginning. FindClass > failing - for a key API class - is probably a fatal error one way or another. > Although in all (?) other cases, we try to return to Java and let the VM > throw a Java-level error. Note that OnLoad is not the only code path that > calls AWTIsHeadless, and there will be Java code to return to in the other > case. However I think that the OnLoad will always be reached first, so maybe > it is OK to do the current fix. Either way, things aren't going to work. > > Generally the calls to check and clear exceptions when looking up code are > there to keep 'tools' happy. If these classes aren't found something is badly > wrong. meaning it should NEVER EVER happen. Failing to find java/lang/String > for example hardly seems like something it is worth trying to recover from .. > In your case it seems like it does some times happen for GraphicsEnvironment > which still worries me. I don't want to make this fix a precedent for > assuming that it is normal for classes to be missing. So consider it a truly > exceptional case. Thank you for the review. This is indeed an awkward, yet real-world exceptional case. ------------- PR Comment: https://git.openjdk.org/jdk/pull/20169#issuecomment-2623168541