我以前看过类似的问题。我尝试了提供给他们的解决方案,但仍然面临同样的问题。 我正在尝试运行简单的 hello world spring mvc 应用程序。 我得到的输出是 HTTP Status 404
在控制台中, I can see following message.
以下是代码文件。
网络.xml
<?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">
<display-name>HelloWorldApplication</display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>HelloWorld</servlet-name>
<servlet-class>
org.springframework.web.servlet.DispatcherServlet
</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>HelloWorld</servlet-name>
<url-pattern>/welcome.jsp</url-pattern>
<url-pattern>/index.jsp</url-pattern>
<url-pattern>/welcome.html</url-pattern>
<url-pattern>*.html</url-pattern>
</servlet-mapping>
</web-app>
HelloWorld-servlet.xml
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context"
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
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<context:component-scan base-package="com.HelloWorld.controller" />
<bean id="viewResolver"
class="org.springframework.web.servlet.view.UrlBasedViewResolver">
<property name="viewClass"
value="org.springframework.web.servlet.view.JstlView" />
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
</bean>
HelloWorldMain.java
package com.HelloWorld.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
/*
* author: Siddhesh Jethe
*
*/
@Controller
public class HelloWorldMain {
@RequestMapping("/welcome")
public ModelAndView helloWorld() {
String message = "<br><div style='text-align:center;'>"
+ "<h3>********** Hello World </h3> Welcome**********</div><br><br>";
return new ModelAndView("welcome", "message", message);
}
}
索引.jsp
<html>
<head>
<title>Test project</title>
<style type="text/css">
</style>
</head>
<body>
<br>
<div style="text-align:center">
<h2>
test<br> <br>
</h2>
<h3>
<a href="welcome.html">Click here to See Welcome Message... </a>
</h3>
</div>
</body>
</html>
最佳答案
你在浏览器的 Devtools 的 Network 选项卡中看到了什么 Http 请求?
这与您的 Controller 匹配吗?
根据您的配置,URL http://<servername>:<port>/HelloWorld/welcome
应该被点击以呈现您的 welcome.jsp。
关于java - 控制台输出 : org. springframework.web.servlet.PageNotFound noHandlerFound HTTP 状态 404:请求的资源不可用,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/47824985/