public static void main(String[] args) { Injector injector = new org.example.entities.EntitiesStandaloneSetup().createInjectorAndDoEMFRegistration(); XtextResourceSet resourceSet = injector.getInstance(XtextResourceSet.class); resourceSet.addLoadOption(XtextResource.OPTION_RESOLVE_ALL, Boolean.TRUE); Resource resource = resourceSet.getResource(URI.createURI("a.entities"), true); System.out.println(resource.getErrors()); //Model model = (Model) resource.getContents().get(0); //Trigger parsing and validation }