Question

我正在尝试创建一个简单的servlet例子我正在使用java 1.7和tomcat服务器7.当我部署我的项目时，我收到HTTP 404错误。这是我的代码：

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class IMCServlet
 */

public class IMCServlet extends HttpServlet {
private static final long serialVersionUID = 1L;

/**
 * Default constructor. 
 */
public IMCServlet() {
    // TODO Auto-generated constructor stub
}

/**
 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
 */
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    // TODO Auto-generated method stub
    response.setContentType("text/html");
    PrintWriter out =response.getWriter();
    out.println("<HTML>");
    out.println("<HEAD><TITLE> Calculer votre IMC</TITLE></HEAD>");
    out.println("<BODY>");
    out.println("<Text goes here...>");
    out.println("</BODY>");
    out.println("</HTML>");
    out.close();

}

/**
 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
 */
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    // TODO Auto-generated method stub
}

}

这是web.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"            "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
<web-app id="WebApp_ID">
<display-name>IMCServlet</display-name>
<servlet>
    <servlet-name>IMCServlet</servlet-name>
    <display-name>IMCServlet</display-name>
    <description>Servlet qui stock le IMC dans une base de données</description>
    <servlet-class>ca.uqac.Servlet</servlet-class>
</servlet>
<servlet-mapping>
    <servlet-name>IMCServlet</servlet-name>
    <url-pattern>/IMCServlet</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>

有人可以帮忙，谢谢。毕竟我弄清楚了，我不得不改变这个

<servlet-class>ca.uqac.Servlet</servlet-class>

到

<servlet-class>ca.uqac.Servlet.IMCServlet</servlet-class>

Answer 1

更改

 < servlet-class >
      ca.uqac.Servlet
 < /servlet-class >

到

 < servlet-class >
      ca.uqac.IMCServlet
  < /servlet-class >

希望IMCServlet类在ca.uqac包中

tomcat下的Servlet错误

1 个答案: