processRequest : Cannot find symbol

following is the java code for myServlet class which is written in JavaBeans. But it is erroring that processRequest method cannot find symbol. Whats wrong?

import java.io.*;
import java.net.*;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.http.Cookie.*;



public class myServlet extends HttpServlet{

    protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException{
        processRequest(req, res);
    }



}