c.p.s.web.configuration.WebAppInitializer.getServletConfigClasses()

public class WebAppInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
...
    @Override
    protected Class<?>[] getServletConfigClasses() {
        return new Class[] { WebMvcConfig.class };
    }
...

    @Override
    public void onStartup(final ServletContext servletContext) throws ServletException {
        // Registers DispatcherServlet
        super.onStartup(servletContext);
    }
}