// Servlet File
import java.io.IOException;
import java.io.PrintWriter;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
@WebServlet("/Index")
public class IndexServlet extends HttpServlet{
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String s = req.getParameter("username");
PrintWriter out = resp.getWriter();
out.println("Hi " + s);
}
}
//home.jsp file
<form action="Index">
<input type="text" name="username"> <br>
<input type="text" name="password"> <br>
<input type="submit">
I want to print (Hi + username) which is coded on servlet I am requesting the username from the JSP file but when hit submit I am getting the error
