Perbaikkan session.setAtribut

src/main/java/com/latihan4/Latihan4.java

@@ -6,6 +6,7 @@ import javax.servlet.annotation.WebServlet;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
 
 /**
  * Servlet implementation class Latihan4
@@ -96,6 +97,11 @@ public class Latihan4 extends HttpServlet {
 		request.setAttribute("pendidikanTerakhir", pendidikanTerkahir);
 		request.setAttribute("alamat", alamat);
 		request.getRequestDispatcher("detailDaftarKaryawan.jsp").forward(request, response);
+
+		HttpSession session = request.getSession(false);
+		String username = (String) session.getAttribute("username");
+		session.setAttribute("username", username);
+		request.getRequestDispatcher("detailDaftarKaryawan.jsp").forward(request, response);
 		doGet(request, response);
 	}
 

src/main/java/com/latihan4/login.java

@@ -49,9 +49,11 @@ public class login extends HttpServlet {
 
 		if (password.equals(passwordAgus) && userName.equals(userAgus)) {
 
-			HttpSession session = request.getSession(true);
-			session.putValue("username", userName);
-			request.setAttribute("username", userName);
+			HttpSession session = request.getSession();
+//			session.putValue("username", userName);
+			session.setAttribute("username", userName);
+			
+			
 			request.getRequestDispatcher("Latihan4.jsp").forward(request, response);
 			request.getRequestDispatcher("detailDaftarKaryawan.jsp").forward(request, response);
 			response.sendRedirect(request.getContextPath() + "/Latihan4.jsp");