Erro... The requested resource (/WebDev/user.html) is not available

Pessoal,
já pesquisei bastante aqui no GUJ, mas não consigo entender o motivo deste erro.
Se alguem puder dar uma ajuda, eu agradeço.
Já tentei colocar o arquivo user.html na raiz do projeto WebDev e também no diretório WEB-INF, mas não funciona.
Disconfio do web.xml.

web.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" 

xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" 

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>WebDev</display-name>
  <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>
  <servlet>
    <description></description>
    <display-name>Teste</display-name>
    <servlet-name>Teste</servlet-name>
    <servlet-class>Teste</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>Teste</servlet-name>
    <url-pattern>/Teste</url-pattern>
  </servlet-mapping>
</web-app>

Classe Servlet

import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.sun.org.apache.xml.internal.serialize.Printer;

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

    public Teste() {
        super();

    }


	public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		RequestDispatcher rd = request.getRequestDispatcher("/user.html");
		rd.include(request,response);

	}


	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		String[] values = request.getParameterValues("INTERESSES");
		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		if (values != null){
			int length = values.length;
			out.println("VOCÊ SELECIONOU: ");
			for (int i = 0; i < length; i++){
				out.println("<BR>" + values[i]);
			}
		}
		else{
			out.println("VOCÊ NÃO SELCIONOU NADA!!!");
		}
		
	}

}

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