Can I specify which XULRunner installation is used?
). • Attempt to detect an OS-registered XULRunner with version 1.8.1.2 or newer (in order to enable JavaXPCOM use). • Attempt to detect an OS-registered XULRunner with a version earlier than 1.8.1.2. • (if running on Linux and the Browser’s style is SWT.NONE) Attempt to use the native browser pointed at by OS environment variable MOZILLA_FIVE_HOME, which may be any of the browsers listed here. Note that if this environment variable is not set when eclipse is run then on linux the eclipse launcher will try to set it by checking various potential installation locations. • At this point a native Mozilla browser could not be found, so an SWTError is thrown from the constructor, which should be caught and handled by the application. Subsequent attempts to create Mozilla-based Browsers will go through these detection steps again.