2017-08-12 56 views
2

我有一個簡單的Spring MVC應用程序。我得到了HTTP狀態404的報告。幫我解決這個問題。謝謝。爲什麼Spring MVC獲得404?

HTTP狀態404 - 找不到

類型狀態報告

消息/WEB-INF/users_view.jsp

說明原始服務器沒有找到當前表示 目標資源或不願意透露存在。

的Apache Tomcat/9.0.0.M26

我的控制器:

@Controller 
public class UserController { 

    @RequestMapping(value = "/users", method = RequestMethod.GET) 
    public String showUsers(ModelMap model) { 
     return "users_view"; 
    } 
} 

項目結構:

enter image description here

web.xml

<display-name>User</display-name> 

<context-param> 
    <param-name>contextConfigLocation</param-name> 
    <param-value>classpath:applicationContext.xml</param-value> 
</context-param> 

<!-- Creates the Spring Container shared by all Servlets and Filters --> 
<listener> 
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> 
</listener> 

<!-- Process application servlet --> 
<servlet> 
    <servlet-name>appServlet</servlet-name> 
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> 

    <init-param> 
     <param-name>contextConfigLocation</param-name> 
     <param-value> 
      classpath:applicationContext.xml 
     </param-value> 
    </init-param> 
    <load-on-startup>1</load-on-startup> 
</servlet> 

<servlet-mapping> 
    <servlet-name>appServlet</servlet-name> 
    <url-pattern>*.do</url-pattern> 
</servlet-mapping> 

而且applicationContext.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"> 

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

    <context:component-scan base-package="ru.pravvich" /> 

</beans> 

回答

2

由於您的jspWEB-INF/viewInternalResourceViewResolver前綴指向/WEB-INF/,你有404錯誤。要修復,請將前綴更改爲/WEB-INF/view/

2
在調度員的servlet

您提供路徑/WEB-INF/但在應用它是WEB-INF/view/

所以調度員的servlet的內部將其更改爲/WEB-INF/view/就能解決問題

1

問題的InternalViewResolver

解決方案1:更改前綴/ WEB-INF /到/ WEB-INF /視圖

解決方案2:當從控制器改變「users_view」 返回字符串「/查看/ users_view」

如果你正在使用Spring MVC的嘗試基於Java的配置 開始新的項目是指Spring mvc hello world example