Plugin access to the database Class not found

[Heiko_Treuner]

Hello everybody i would like to access the Crowd database for that i need a jdbc db connection but with out comment version i get the class not found exception  -com.mysql.jdbc.Driver not found by -

and with the second i (ClassLoaderUtils) get an OSGI Bundle error

  String driverName = "com.mysql.jdbc.Driver";
try {
Properties props = new Properties();
props.put("username", "root");
props.put("password", "root@1");
//Class.forName(driverName).newInstance();
2. final Class clazz = ClassLoaderUtils.loadClass(driverName, JdbcConnection.class);
Driver driver = (Driver)clazz.newInstance();
Connection con= driver.connect("jdbc:mysql://localhost:3306/crowd?rewriteBatchedStatements=true",props ); 
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
} catch (InstantiationException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
message = e.getMessage()+"hello";
}