Projeto fj-21 Não consigo rodar em casa e não sei os motivos

<?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>fj21-agenda</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>
		<servlet-name>servletOiMundo</servlet-name>
		<servlet-class>br.com.caelum.servlet.OiMundo</servlet-class>
	</servlet>

	<servlet-mapping>
		<servlet-name>servletOiMundo</servlet-name>
		<url-pattern>/oi</url-pattern>
	</servlet-mapping>

	<servlet>
		<servlet-name>AdicionaContato</servlet-name>
		<servlet-class>br.com.caelum.agenda.servlet.AdicionaContatoServlet</servlet-class>
	</servlet>

	<servlet-mapping>
		<servlet-name>AdicionaContato</servlet-name>
		<url-pattern>/adicionaContato</url-pattern>
	</servlet-mapping>


	<error-page>
		<exception-type>java.lang.Exception</exception-type>
		<location>/erro.html</location>
	</error-page>

	<error-page>
		<error-code>404</error-code>
		<location>/404.html</location>
	</error-page>

	<servlet>
		<servlet-name>controlador</servlet-name>
		<servlet-class>br.com.caelum.mvc.servlet.ControllerServlet</servlet-class>
	</servlet>

	<servlet-mapping>
		<servlet-name>controlador</servlet-name>
		<url-pattern>/mvc</url-pattern>
	</servlet-mapping>

	<filter>
		<filter-name>cronometro</filter-name>
		<filter-class>br.com.caelum.agenda.filtro.FiltroConexao</filter-class>
	</filter>
	
	<filter-mapping>
		<filter-name>cronometro</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>

	<filter>
		<filter-name>FiltroConexao</filter-name>
		<filter-class>br.com.caelum.agenda.filtro.FiltroTempoDeExecuxao</filter-class>
	</filter>

	<filter-mapping>
		<filter-name>FiltroConexao</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
</web-app>

Open the Java build path property page of project 'fj21-agenda'
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Opens the new class wizard to create the type.

Package: java.sql
public class Connection {
}
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Link all references for a local rename (does not change references 
 in other files)
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Opens the new class wizard to create the type.

Package: br.com.caelum.agenda
public class Connection {
}

package br.com.caelum.agenda;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class ConnectionFactory {

	public Connection getConnection() throws SQLException {
		System.out.println("conectando ...");

		try {
			Class.forName("com.mysql.jdbc.Driver");
		} catch (ClassNotFoundException e) {
			throw new SQLException(e);
		}
		
		return DriverManager.getConnection("jdbc:mysql://localhost/fj21",
				"root", "");
	}

}

<error-page>  
         <exception-type>java.lang.Exception</exception-type>  
         <location>/erro.html</location>  
     </error-page>  
   
     <error-page>  
         <error-code>404</error-code>  
         <location>/404.html</location>  
     </error-page>