LogOutAction

package net.macaronics.web.controll;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import net.macaronics.web.controll.action.Action;

public class LogOutAction implements Action {

	@Override
	public void execute(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {	
		HttpSession session=request.getSession();
		session.invalidate();
		response.sendRedirect("/index.html");
	}
	
}

ActionFactory

else if(command.equals("logout")) action=new LogOutAction();  추가

제작 : macaronics.net - Developer  Jun Ho Choi

소스 :  https://github.com/braverokmc79/jsp_sin

${request.getContextPath() } 처리를 안한 부분이 있으므로 

루트 설정( http://macaronics.net/index.php/m01/jsp/view/1352)    및 server.xml  에서 DB 컨넥션 설정은 필수 설정이다.