在DispatcherServlet中找不到与URI的HTTP请求的映射

Question

org.springframework.web.servlet.DispatcherServlet: No mapping found for HTTP request with URI [/maven-ssm-web/personController/showperson] in DispatcherServlet with name 'springDispatcherServlet'

<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">
  <display-name>Archetype Created Web Application</display-name>
    <!-- 解决工程编码过滤器 -->
    <filter>
        <filter-name>characterEncodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>characterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    
    <!-- 配置文件所在位置 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring.xml,classpath:mybatis-spring.xml</param-value>
    </context-param>
    <!-- Spring配置（监听器） -->
<!--     <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener> -->
    
    <!-- SpringMVC配置 -->
    <servlet>
        <servlet-name>springDispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring-mvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>springDispatcherServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
    
    <welcome-file-list>
      <welcome-file>index.html</welcome-file>
      <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
</web-app>

 

Answer 1

/*也行

Answer 2

回复
@蓝水晶飞机 : 之前我写的/不行，所以写成了/*但还是不行