问Vaadin 7+ Spring安全配置

EN

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-security</artifactId>
        <version>1.1.6.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.vaadin.spring</groupId>
        <artifactId>spring-vaadin-security</artifactId>
        <version>0.0.3-SNAPSHOT</version>
    </dependency>

@VaadinUI
public class MainUI extends UI {

@PropertySource(value = "classpath:application.properties")
@EnableAutoConfiguration
@ComponentScan
@EnableGlobalMethodSecurity
public class Application extends GlobalMethodSecurityConfiguration {

    public static void main(String[] args) throws Exception {
        SpringApplication.run(Application.class, args);
    }

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth
            .inMemoryAuthentication()
            .withUser("user").password("password").roles("USER")
            .and()
            .withUser("admin").password("password").roles("ADMIN");
    }

}

HTTP ERROR 404

Problem accessing /error. Reason:Request was not handled by any registered handler.Powered by Jetty://