STSで送信フォームを作る方法

前提・実現したいこと

STSを使って送信フォームを作っています。
tc Serverを起動して、以下のアドレス

http://localhost:8080/MySampleWebApp1/sample

にアクセスしたところ、エラーが発生しました。

発生している問題・エラーメッセージ

HTTPステータス 404 – Not Found

--------------------------------------------------------------------------------

Type ステータスレポート

メッセージ /MySampleWebApp1/sample

説明 The origin server did not find a current representation for the target resource or is not willing to disclose that one exists.

--------------------------------------------------------------------------------

Pivotal tc Runtime 9.0.13.B.RELEASE

該当のソースコード

###application-config.xml

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	   xmlns:context="http://www.springframework.org/schema/context"
	   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">
    
    <!-- Uncomment and add your base-package here:
         <context:component-scan
            base-package="org.springframework.samples.service"/>  -->
    
    <bean id="mybean1" class="jp.base.spring.websample1.MyBean" />

</beans>

###App.java

package jp.base.spring.test1;

import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;

public class App {
	
	private static ApplicationContext app;
	
	public static void main(String[] args) {
		app = new AnnotationConfigApplicationContext(AutoMyBeanConfig.class);
		MyBeanInterface bean = app.getBean(MyBeanInterface.class);
		System.out.println(bean);
	}

}

index.jsp

<!DOCTYPE html>

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
    
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags"%>

<html>

	<head>
		<meta charset="utf-8">
		<title>Welcome</title>
	</head> 

	<body>
		<h1>Sample Page</h1>
		<pre>${mybean}</pre>
		<hr>
		<form action="sample" method="post">
			<input type="text" id="message" name="message">
			<input type="submit" value="add">
		</form>
	</body>

</html>

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
           http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>jp.base.spring.websample1</groupId>
  <artifactId>MySampleWebApp1</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>


    <properties>

		<!-- Generic properties -->
		<java.version>1.6</java.version>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
		
		<!-- Web -->
		<jsp.version>2.2</jsp.version>
		<jstl.version>1.2</jstl.version>
		<servlet.version>3.1.0</servlet.version>
		

		<!-- Spring -->
		<spring-framework.version>5.0.0.RELEASE</spring-framework.version>

		<!-- Logging -->
		<logback.version>1.2.3</logback.version>
		<slf4j.version>1.7.25</slf4j.version>

		<!-- Test -->
		<junit.version>4.12</junit.version>

	</properties>

	<dependencies>
	
		<!-- Spring MVC -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>${spring-framework.version}</version>
		</dependency>
		
		<!-- Other Web dependencies -->
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>jstl</artifactId>
			<version>${jstl.version}</version>
		</dependency>
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>servlet-api</artifactId>
			<version>${servlet.version}</version>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>javax.servlet.jsp</groupId>
			<artifactId>jsp-api</artifactId>
			<version>${jsp.version}</version>
			<scope>provided</scope>
		</dependency>

		<!-- Logging with SLF4J & LogBack -->
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-api</artifactId>
			<version>${slf4j.version}</version>
			<scope>compile</scope>
		</dependency>
		<dependency>
			<groupId>ch.qos.logback</groupId>
			<artifactId>logback-classic</artifactId>
			<version>${logback.version}</version>
			<scope>runtime</scope>
		</dependency>
		
		<!-- Test Artifacts -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-test</artifactId>
			<version>${spring-framework.version}</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>${junit.version}</version>
			<scope>test</scope>
		</dependency>

	</dependencies>	
</project>

###web.xml

<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app xmlns="http://xmlns.jcp.org./xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xlmns.jcp.org/xml/ns/javaee"
         http://xlmns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
         version="3.1">

    <display-name>MySampleWebApp1</display-name>
    
   <!--
		- Location of the XML file that defines the root application context.
		- Applied by ContextLoaderListener.
	-->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring/application-config.xml</param-value>
    </context-param>

    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

</web-app>

###MySampleServlet.java

package jp.base.spring.websample1;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;




/**
 * Servlet implementation class MySampleServlet
 */

@WebServlet("/sample")
public class MySampleServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
	
	ApplicationContext app;
	
	
	/**
	 * @see Servlet#init(ServletConfig)
	 */
	
	@Override
	public void init() throws ServletException {
		// TODO Auto-generated method stub
		super.init();
		app = new ClassPathXmlApplicationContext("/spring/application-config.xml");
	}

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request,
			HttpServletResponse response)
			throws ServletException, IOException {
		MyBean mybean1 = (MyBean)app.getBean("mybean1");
		request.setAttribute("mybean", mybean1);
		request.getRequestDispatcher("/index.jsp").forward(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request,
			HttpServletResponse response)
			throws ServletException, IOException {
		String message = request.getParameter("message");
		MyBean mybean1 = (MyBean)app.getBean("mybean1");
		mybean1.addMessage(message);
		response.sendRedirect("sample");
	}

}

###bean.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/beans
	  http://www.springframework.org/schema/beans/spring-beans.xsd">
	
	<bean id="mybean1" class="jp.base.spring.test1.MyBean2">
	  <property name="message" value="It's new Bean!"></property>
	</bean>

</beans>