<servlet>
    <servlet-name>xsrf</servlet-name>
    <servlet-class>com.google.gwt.user.server.rpc.XsrfTokenServiceServlet</servlet-class>
</servlet>
<servlet-mapping>
    <servlet-name>xsrf</servlet-name>
    <url-pattern>/app/xsrf</url-pattern>
</servlet-mapping>

<!-- New servlet for my REST API -->
<servlet>
    <servlet-name>mobile-dispatcher</servlet-name>
    <servlet-class>
        org.springframework.web.servlet.DispatcherServlet
    </servlet-class>
    <load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
    <servlet-name>mobile-dispatcher</servlet-name>
    <url-pattern>/app/restapi</url-pattern>
</servlet-mapping>

@RestController
@RequestMapping("/app/restapi")
public class RestaurantController {

    class ReturnValue {
        public String str = "1337";
    }

    @ResponseStatus(HttpStatus.OK)
    @RequestMapping(value = "/test", method = RequestMethod.GET, produces = { "application/json" })
    public ReturnValue getTest() {
        return new ReturnValue();
    }
}

16:14:22.497 [http-bio-8080-exec-8] DEBUG o.s.web.servlet.DispatcherServlet - DispatcherServlet with name 'mobile-dispatcher' processing GET request for [/app/restapi/test]
16:14:22.497 [http-bio-8080-exec-8] DEBUG o.s.w.s.m.m.a.RequestMappingHandlerMapping - Looking up handler method for path /test
16:14:22.497 [http-bio-8080-exec-8] DEBUG o.s.w.s.m.m.a.RequestMappingHandlerMapping - Did not find handler method for [/test]
16:14:22.497 [http-bio-8080-exec-8] WARN  o.s.web.servlet.PageNotFound - No mapping found for HTTP request with URI [/app/restapi/test] in DispatcherServlet with name 'mobile-dispatcher'
16:14:22.497 [http-bio-8080-exec-8] DEBUG o.s.web.servlet.DispatcherServlet - Successfully completed request