Those look like errors coming out of Qt, so I'd certainly start with a Qt mailing list.
> On Apr 8, 2016, at 14:57, f...@alumni.stanford.edu wrote: > > > Dear XQuartz Developers, > > I'm teach a class this quarter at Stanford where the main software package we > are using is running on Linux (RHEL 6). The application uses Qt5. The > students with Windows and Linux laptops are able to view the GUI just fine, > but the students with Macs using XQuartz (the majority) are having problems. > > In particular, when the students try to do a copy, they get the error message > > QXcbClipboard::setMimeData: Cannot set X11 selection owner > > and the copy doesn't work. When they quit the application, they get the > additional message > > QApplication::qAppName: Please instantiate the QApplication object first > > Do any of you have any ideas on how we could fix this? Not being able to copy > is a big disadvantage to code development. > > Many thanks! > > Bill > > > > _______________________________________________ > Xquartz-dev mailing list > Xquartz-dev@lists.macosforge.org > https://lists.macosforge.org/mailman/listinfo/xquartz-dev
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