Login Page Error
Contents |
Login Form and the Error PageThe Java EE 6 Tutorial, Volume IPrevious: Example: Basic Authentication with JAX-WSNext: Specifying Security in the Deployment how to display error message in same jsp page DescriptorCreating the Login Form and the Error Page When using form-based login how to show error message in php on same page mechanisms, you must specify a page that contains the form you want to use to obtain the login error message in php user name and password, as well as which page to display if login authentication fails. This section discusses the login form and the error page used in this example.
Php Login Error Messages Same Page
The section Specifying Security in the Deployment Descriptor shows how you specify these pages in the deployment descriptor. The login page can be an HTML page, a JSP page, or a servlet, and it must return an HTML page containing a form that conforms to specific naming conventions (see the Java Servlet 3.0 specification for more information how to display error message in html using php on these requirements). To do this, include the elements that accept user name and password information between
tags in your login page. The content of an HTML page, JSP page, or servlet for a login page should be coded as follows: The full code for the login page used in this example can be found at tut-install/examples/web/hello2_formauth/web/loginform.html. An example of the running login form page is shown later in Figure25–8. Here is the code for this page:Hello, please log in:
The login error page is displayed if the user enters a user name and password combination that is not authorized to access the protected URI. For this example, the login error page can be found at tut-install/e
here for a login error message examples quick overview of the site Help Center Detailed
How To Display An Error Message On The Form Using Php
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How To Display Error Message In Jsp
policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or https://docs.oracle.com/cd/E19226-01/820-7627/bncca/index.html posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes http://stackoverflow.com/questions/21903765/displaying-error-message-in-login-page-after-login-failure a minute: Sign up displaying error message in login page after login failure up vote 1 down vote favorite 2 here is some part of code from login.jsp login.jsp
Login
<%=request.getAttribute("errorMessage") %>
in the servlet code if the user does't exist i'm using requestdispatcher with error msg servlet if(res.next()) { if ((thisname.equals(res.getString("username"))) && (thispwd.equals(res.getString("password")))) { session.setAttribute("username", request.getParameter("username")); response.sendRedirect("login-success.html"); } else{ session.invalidate(); request.setAttribute("errorMessage", "Invalid user or password"); RequestDispatcher rd = request.getRequestDispatcher("/login.jsp"); rd.forward(request, response); } but thing is<%=request.getAttribute("errorMessage") %>
runs whenever login jsp is opened whichhere for a quick overview of the site Help Center Detailed answers to any questions you might have http://stackoverflow.com/questions/15956316/login-page-that-gives-error-messages-and-submits-to-self Meta Discuss the workings and policies of this site About Us http://www.javapractices.com/topic/TopicAction.do?Id=220 Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just error message like you, helping each other. Join them; it only takes a minute: Sign up Login page that gives error messages and submits to self up vote 0 down vote favorite im currently stuck trying to create a log in form that submits to its self so that if theres any errors they'll be displayed above the error message in login form rather than being sent to another page. Also if the login is successful then they're sent to the desired page. Here's my code below, I appreciate any help, Thanks! You must complete all sections
"; } $query = mysql_query("SELECT * FROM admin WHERE username = '$adminusername' AND password = '$adminpassword'"); $numrows = mysql_num_rows($query); if ($numrows != 0) { while ($row = mysql_fetch_assoc($query)) { $dbusername = $row['username']; $dbpassword = $row['password']; } if ($adminusername == $dbusername && ($adminpassword == $dbpassword)) { $_SESSION['username'] = $adminusername; header("Location: admin.php"); } } else { echo " ($error) Username and password do not match"; } } ?>
Admin Login
php mysql forms login share|improve this question edited Apr 11 '13 at 19:02 Phill Sparks 7,0472143 asked Apr 11 '13 at 18:38 cja9Here is an example of such an entry in web.xml: