Getting a 404 in Spring RESTful controller

I am trying to do a restful service in spring mvc. This is my controller code,

@Controller
@RequestMapping("/manageuser")
public class ManageUserController {

    @RequestMapping(value = "/{user}", method = RequestMethod.GET)
    @ResponseStatus(value = HttpStatus.OK)
    protected void deleteUser(@PathVariable String user, ModelMap model) {
        System.out.println(user);
    }

    @RequestMapping(value = "/", method = RequestMethod.GET)
    @ResponseStatus(value = HttpStatus.OK)
    protected void addUser(@PathVariable String user, ModelMap model) {
        System.out.println(user);
    }

}

My manageuser-servelt.xml

<context:component-scan base-package="com.example.web" use-default-filters="false" 
>
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>


<mvc:annotation-driven />

<bean
    class="org.springframework.web.servlet.view.InternalResourceViewResolver">
    <property name="prefix" value="/WEB-INF/" />
    <property name="suffix" value=".jsp" />
</bean>

My web.xml content,

    <servlet>
        <servlet-name>manageuser</servlet-name>
        <servlet-class>
           org.springframework.web.servlet.DispatcherServlet
        </servlet-class>
        <init-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:manageuser-servlet.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
 <servlet-mapping>
        <servlet-name>manageuser</servlet-name>
        <url-pattern>/manageuser</url-pattern>
    </servlet-mapping>

I am getting a 404 if I navigate to localhost/manageuser/adduser/Barney. What am I doing wrong here? Is this the right approach for RESTful services using spring-mvc?