Modelio refuse to start and complains about GTK+

Modelio refuse to start and show me

Gtk-WARNING **: This process is currently running setuid or setgid.
This is not a supported use of GTK+. You must create a helper
program instead. For further details, see:

http://www.gtk.org/setuid.html

Refusing to initialize GTK+.

The solution was to re-install OpenJDK and if you are using Oracle Java, try to use OpenJDK instead.