一直出现这个问题
,求大佬解答
web.xml配置
<?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_2_5.xsd" id="WebApp_ID" version="2.5">
<display-name>webFirst</display-name>
<servlet>
<servlet-name>helloWord</servlet-name>
<servlet-class>cn.itcast.firstmyapp.servlet.HelloWordServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>helloWord</servlet-name>
<url-pattern>/hello</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
</web-app>
============================================
代码
package cn.itcast.firstmyapp.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.GenericServlet;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
public class HelloWordServlet extends GenericServlet{
@Override
public void service(ServletRequest arg0, ServletResponse response) throws ServletException, IOException {
System.out.println("接受了客户端的请求-------------");
PrintWriter pw=response.getWriter();
pw.print("Hello Word");
}
}