Jakarta ee tomcat错误下的Servlet
我正在尝试创建一个简单的servlet示例,我正在使用Java1.7和TomcatServer7。当我部署我的项目时,我得到一个HTTP404错误。这是我的密码:Jakarta ee tomcat错误下的Servlet,jakarta-ee,tomcat,servlets,Jakarta Ee,Tomcat,Servlets,我正在尝试创建一个简单的servlet示例,我正在使用Java1.7和TomcatServer7。当我部署我的项目时,我得到一个HTTP404错误。这是我的密码: import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpSer
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
}
}
import java.io.IOException;
导入java.io.PrintWriter;
导入javax.servlet.ServletException;
导入javax.servlet.http.HttpServlet;
导入javax.servlet.http.HttpServletRequest;
导入javax.servlet.http.HttpServletResponse;
/**
*Servlet实现类IMCServlet
*/
公共类IMCServlet扩展了HttpServlet{
私有静态最终长serialVersionUID=1L;
/**
*默认构造函数。
*/
公共IMCServlet(){
//TODO自动生成的构造函数存根
}
/**
*@参见HttpServlet#doGet(HttpServletRequest请求,HttpServletResponse响应)
*/
受保护的void doGet(HttpServletRequest请求,HttpServletResponse响应)抛出ServletException,IOException{
//TODO自动生成的方法存根
response.setContentType(“text/html”);
PrintWriter out=response.getWriter();
out.println(“”);
out.println(“Calculer votre IMC”);
out.println(“”);
out.println(“”);
out.println(“”);
out.println(“”);
out.close();
}
/**
*@请参阅HttpServlet#doPost(HttpServletRequest请求,HttpServletResponse响应)
*/
受保护的void doPost(HttpServletRequest请求、HttpServletResponse响应)引发ServletException、IOException{
//TODO自动生成的方法存根
}
}
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>
IMCServlet
IMCServlet
IMCServlet
你的股票是多少
ca.uqac.Servlet
IMCServlet
/IMCServlet
Index.html
Index.htm
Index.jsp
default.html
default.htm
default.jsp
谁能帮忙,谢谢。
毕竟我明白了我必须改变这个
<servlet-class>ca.uqac.Servlet</servlet-class>
ca.uqac.Servlet
到
ca.uqac.Servlet.IMCServlet
更改
< servlet-class >
ca.uqac.Servlet
< /servlet-class >
ca.uqac.Servlet
到
ca.uqac.IMCServlet
希望
IMCServlet
类在ca.uqac包中部署时不会得到404。当您尝试向未处理的URI发送请求时,会得到404。您尝试了什么URI?感谢您的回答URI是现在您在部署描述符(web.xml)中看到该路径的任何处理程序了吗?抱歉,我是一个初学者,我不太了解什么是处理程序?我不想直接给您答案。想一想。什么是Servlet
?为什么你有一个
?什么是
?
< servlet-class >
ca.uqac.Servlet
< /servlet-class >
< servlet-class >
ca.uqac.IMCServlet
< /servlet-class >