web.xml配置遇到的问题

<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>spms-web</groupId> ?<artifactId>spms-web</artifactId> ?<version>0.0.1-SNAPSHOT</version> ?<packaging>jar</packaging> ?<name>spms-web</name> ?<url>http://maven.apache.org</url> ?<properties> ???<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> ?</properties> ?<dependencies> ???<dependency> ?????<groupId>org.springframework</groupId> ?????<artifactId>spring-beans</artifactId> ?????<version>3.2.0.RELEASE</version> ???</dependency> ???<dependency> ?????<groupId>org.springframework</groupId> ?????<artifactId>spring-context</artifactId> ?????<version>3.2.0.RELEASE</version> ???</dependency> ???<dependency> ??????<groupId>org.springframework.security</groupId> ??????<artifactId>spring-security-core</artifactId> ??????<version>3.1.3.RELEASE</version> ???</dependency> ???<dependency> ????<groupId>javax.servlet</groupId> ????<artifactId>javax.servlet-api</artifactId> ????<version>3.0.1</version> ????</dependency> ????<dependency> ??????<groupId>org.springframework</groupId> ??????<artifactId>spring-webmvc</artifactId> ??????<version>3.2.0.RELEASE</version> ???</dependency> ???<dependency> ?????????<groupId>org.springframework</groupId> ?????????<artifactId>spring-jdbc</artifactId> ?????????<version>3.0.5.RELEASE</version> ?????</dependency> ???<dependency> ???????????????????<groupId>mysql</groupId> ???????<artifactId>mysql-connector-java</artifactId> ???????<version>5.1.38</version> ??????</dependency> ??????<dependency> ?????????<groupId>commons-dbcp</groupId> ?????????<artifactId>commons-dbcp</artifactId> ?????????<version>1.4</version> ?????</dependency> ?????<dependency> ?????<groupId>junit</groupId> ?????<artifactId>junit</artifactId> ?????<version>3.8.1</version> ?????<scope>test</scope> ???</dependency> ?</dependencies></project>

<?xml version="1.0" encoding="UTF-8"?> ???<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ???????xmlns="http://java.sun.com/xml/ns/javaee" ???????xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" ???????version="3.0"> ???????????????<welcome-file-list> ???????????<welcome-file>/index.jsp</welcome-file> ???????</welcome-file-list> ?????<!-- 加载spring bean ?--> ??????<context-param> ????????????<param-name>contextConfigLocation</param-name> ???????????<param-value>classpath:spring.xml</param-value> ???????</context-param> ????<listener> ???????????<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> ???????</listener> ???????????<!-- 编码过滤器 --> ???????<filter> ???????????<filter-name>encodingFilter</filter-name> ???????????<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> ???????????<!-- 支持异步请求 --> ?????????<async-supported>true</async-supported> ???????????<init-param> ???????????????<param-name>encoding</param-name> ???????????????<!-- 为了支持emoji表情可能需要更高级的编码 --> ?????????????<param-value>UTF-8</param-value> ???????????</init-param> ???????</filter> ???????<filter-mapping> ???????????<filter-name>encodingFilter</filter-name> ???????????<url-pattern>/*</url-pattern> ???????</filter-mapping> ????????<!-- Spring MVC servlet --> ???<servlet> ???????<servlet-name>SpringDispatcher</servlet-name> ???????<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> ???????<init-param> ???????????<param-name>contextConfigLocation</param-name> ???????????<param-value>classpath:dispatcher.xml</param-value> ???????</init-param> ???????<load-on-startup>1</load-on-startup> ???</servlet> ???<servlet-mapping> ???????<servlet-name>SpringDispatcher</servlet-name> ???????<url-pattern>/</url-pattern> ???</servlet-mapping> ????????</web-app> ?