问通过ssh (java)连接到mysql DB

EN

 int lport = 3306;
    String host = "10.254.64.135";
     String rhost = "localhost";
     int rport = 8000;
    String user = "ubuntu";
    String dbuserName = "someusername";
     String dbpassword = "somepassword";
    String dburl = "jdbc:mysql://somedbhost.us-east-1.rds.amazonaws.com:3306";
     String driverName = "com.mysql.jdbc.Driver";
     String driverName2 = "org.gjt.mm.mysql.Driver";

    Session session = null;

   try {

       final java.util.Properties config = new java.util.Properties();
       config.put("StrictHostKeyChecking", "no");
       final JSch jsch = new JSch();
       session = jsch.getSession(user, host, 22);
       jsch.addIdentity("C:\\Users\\rop\\workspace\\awskey.pem");
       session.setConfig(config);
       session.connect();
       System.out.println("Connected through SSH");
       final int assinged_port = session.setPortForwardingL(rport, host,lport );
       System.out.println("localhost:" + assinged_port + " -> " + rhost + ":" + rport);
       System.out.println("Port Forwarded");

       //mysql database connectivity
       Class.forName("com.mysql.jdbc.Driver").newInstance();
       //String url = "jdbc:mysql://localhost:" + rport + "/" + db;
       con = DriverManager.getConnection(dburl, dbuserName, dbpassword);
       System.out.println("Mysql Database connection established");
       System.out.println("DONE");