Meu controlador esta com erro

Não sei por qual razão me código não compilar. Podem me ajudar por favor.

package br.com.alura.gerenciador.servlet;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import br.com.alura.gerenciador.action.Action;


@WebServlet("/entry")
public class SingleEntryServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;

    protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        String paramAction = request.getParameter("action");

        String nameClass = "br.com.alura.gerenciador.action." + paramAction;

        String name;
        try {
            Class class = Class.forName(nameClass);
            Action action = (Action) class.newInstance();        
            name = action.execute(request, response);
        } catch (ClassNotFoundException | InstantiationException | IllegalAccessException e) {
            throw new ServletException(e);
        }        

        String[] addressType = name.split(":");
        if (addressType[0].equals("forward")) {
            RequestDispatcher rd = request.getRequestDispatcher("WEB-INF/view/" + addressType[1]);
            rd.forward(request, response);
        } else {
            response.sendRedirect(addressType[1]);
        }        


        //String name = null;
        //if (paramAction.equals("ListCompany")) {            
            //ListCompany action = new ListCompany();
            //name = action.execute(request, response);            
        //} else if (paramAction.equals("DeleteCompany")) {
            //System.out.println("removing company");            
            //DeleteCompany action = new DeleteCompany();
            //name = action.execute(request, response);            
        //} else if (paramAction.equals("ShowCompany")) {
            //ShowCompany action = new ShowCompany();
            //name = action.execute(request, response);        
        //} else if (paramAction.equals("UpdateCompany")) {
            //UpdateCompany action = new UpdateCompany();
            //name = action.execute(request, response);        
        //} else if (paramAction.equals("NewCompany")) {
            //NewCompany action = new NewCompany();
            //name = action.execute(request, response);
        //} else if (paramAction.equals("NewCompanyForm")) {
            //NewCompanyForm action = new NewCompanyForm();
            //name = action.executes(request, response);
        //}        

    }    

}