Conectando ao banco de dados

depois de ter criado as seguintes classes:

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.SQLException;

public class ConnectionFactory {

public static Connection getConnection() throws SQLException {

try {

Class.forName(“com.mysql.jdbc.Driver”);

System.out.println(“Conectando ao banco”);		

return DriverManager.getConnection(“jdbc:mysql://root@stelio-desktop/escola”,“root”,“stelioklesio”); //desconfio desde ponto

} catch (ClassNotFoundException e) {

throw new SQLException(e.getMessage());

}

}

import java.sql.Connection;

import java.sql.SQLException;

public class Testa {

public static void main (String[] args) throws SQLException {

Connection connection = ConnectionFactory.getConnection();

connection.close();

}

Last packet sent to the server was 0 ms ago.

at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1070)

at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2120)

at com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:723)

at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:298)

at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:282)

at java.sql.DriverManager.getConnection(libgcj.so.81)

at java.sql.DriverManager.getConnection(libgcj.so.81)

at ConnectionFactory.getConnection(ConnectionFactory.java:12)

at Testa.main(Testa.java:7)

Caused by: com.mysql.jdbc.CommunicationsException: Communications link failure

Last packet sent to the server was 0 ms ago.

at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1070)

at com.mysql.jdbc.MysqlIO.(MysqlIO.java:335)

at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2043)

…7 more

Caused by: java.net.UnknownHostException: root@stelio-desktop

at java.net.ResolverCache.getHostByName(libgcj.so.81)

at java.net.InetAddress.getAllByName(libgcj.so.81)

at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:243)

at com.mysql.jdbc.MysqlIO.(MysqlIO.java:284)

…8 more

agora qual deverá ser o problema??? por favor ajudem me!!