Foros del web, para los que viven de bits

import java.sql.*;

 class TestConnection
{
   static String bd = "biblioteca";
   static String login = "root";
   static String password = "mypass";
   static String url = "jdbc:mysql://localhost/"+bd;


   public static void main(String[] args) throws Exception
   {
      Connection conn = null;

      try
      {
         Class.forName("com.mysql.jdbc.Driver").newInstance();

         conn = DriverManager.getConnection(url,login,password);

         if (conn != null)
         {
            System.out.println("Conexión a base de datos "+url+" ... Ok");
            conn.close();
         }
      }
      catch(SQLException ex)
      {
         System.out.println(ex);
      }
      catch(ClassNotFoundException ex)
      {
         System.out.println(ex);
      }

   }
}

java.sql.SQLException: Communication link failure: java.io.IOException, underlying cause: Unexpected end of input stream

** BEGIN NESTED EXCEPTION ** 

java.io.IOException
MESSAGE: Unexpected end of input stream

STACKTRACE:

java.io.IOException: Unexpected end of input stream
    at com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:1096)
    at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:626)
    at com.mysql.jdbc.Connection.createNewIO(Connection.java:1562)
    at com.mysql.jdbc.Connection.<init>(Connection.java:491)
    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:346)
    at java.sql.DriverManager.getConnection(DriverManager.java:512)
    at java.sql.DriverManager.getConnection(DriverManager.java:171)
    at TestConnection.main(TestConnection.java:19)


** END NESTED EXCEPTION **



Process completed.

Class.forName("org.gjt.mm.mysql.Driver");
   Connection conexion = DriverManager.getConnection("jdbc:mysql://localhost/base_datos", "usuario", "password");