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@Controller
@RequestMapping("/users")
public class UserController {
    @Autowired
    private UserService userService;
    @RequestMapping(value = "/list", method = RequestMethod.GET)
    public @ResponseBody
    List<User> getAllUsers() {
        return userService.getAllUsers();
    }

    @RequestMapping(value = "/validate", method = RequestMethod.GET)
    public ModelAndView validateUser() {
        ModelAndView modelAndView = new ModelAndView();
        modelAndView.addObject("userFromServer", new User());
        modelAndView.setViewName("users_check_page");
        return modelAndView;
   }
    @RequestMapping(value = "/check", method = RequestMethod.POST)
    public @ResponseBody
    String checkUser(@ModelAttribute("userFromServer") User user) {
        if ("admin".equals(user.getName()) && "admin".equals(user.getPassword())) {
            return "valid";
        }
        return "invalid";
    }
}

<build>
        <finalName>FirstAppwithJetty</finalName>
        <plugins>
            <plugin>
                <groupId>org.eclipse.jetty</groupId>
                <artifactId>jetty-maven-plugin</artifactId>
                <version>9.2.11.v20150529</version>

                <configuration>
                    <scanIntervalSeconds>10</scanIntervalSeconds>
                    <httpConnector>
                        <port>9751</port>
                    </httpConnector>
                    <webApp>
                        <contextPath>/user-system</contextPath>
                    </webApp>
                </configuration>

            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.2</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <mvc:annotation-driven/>

    <context:component-scan base-package="system"/>

    <mvc:view-controller path="/" view-name="users_page"/>
    <mvc:view-controller path="/test/" view-name="test"/>

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

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
          http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
         version="3.0">

    <servlet>
        <servlet-name>dispatcher</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>/WEB-INF/spring/spring-config.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>dispatcher</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
</web-app>

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<spring:form modelAttribute="userFromServer" method="post" action="/user-system/users/check">
    <spring:input path="name"/>
    <spring:input path="password"/>
    <spring:button>check user</spring:button>
</spring:form>
</body>
</html>