jsp连接oracle问题

String  url  =  "jdbcracle:thin133.166.200.235:1521rajp";  
String  username  =  "asset";  
String  password  =  "asset";  
DriverManager.registerDriver(new  oracle.jdbc.driver.OracleDriver());   
Connection  con  =  DriverManager.getConnection(url,  username,  password);