Recently, some readers have encountered the j_security_check form-error-page error. This issue can occur due to a number of factors. Let’s get to know them below.
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Example: Forms Authentication With A Servlet
This example demonstrates how to use forms-based authentication using a very simple procedure.Servlet. With forms-based authentication, anyone can customize the login screenand error webpages presented to the global client for authenticationtheir username and password. When the user enters their username and password,The server determines if the username and change is an authorized user.In addition, the user, if he is authorized, submits the requested web resource.
In general, the steps to add forms-based authentication are helpful.to a credit card servlet are similar to Example: basic authentication with a full servlet, i.e.Just follow all these steps in the Example: Basic Authentication Working with a servlet, except that when you create it, you use the usage descriptor described in Setting it securely insteadsti with a deployment descriptor.the login form and request form pages of the login error, as described in Creating this login form and the error page. vThe final version of this sample computer program can be found in the directory tut-install/examples/web/hello2_formauth/.
Create Login Form And Error Page
When creating form-based login mechanisms, you must specify all the page types thatcontains the form you want to use to get the username and password, e.g.and a page to display if the connection check fails. chapterThis explains the login mask in this example and the error page used. The “Specify security” section of the deployment descriptor section shows how you specify pages.in the usage descriptor.
The login page can be a high-performance HTML page, page, JSP, or other servlet.should return a fancy HTML page containing a form that matches the given nameConventions (See the exact Java Servlet 3.0 specification for detailsinformation aboutthese requirements). Add elements that accept friendly names to the elementand password information between
tagson the corresponding registration page. HTML page content, JSP page, in addition to servlet forthe connection to the site should be encoded like this:
For the complete secondary login code used in this example, see tut-install/examples/web/hello2_formauth/web/loginform.html. An example of a working page for creating a connection is shown below in fig. 25-8. Here is the code thatPage:
Hello, Please Login:
The Get Access Errors page appears when allusers enter a mention of the user andThe combination of passwords does not allow access to the protected URI. perSpecifically, in this example, the login error page is located at tut-install/examples/web/hello2_formauth/web/loginerror at.html. Just to illustrate, the login error page explains our own reasonThe fetch error page also contains a link that prompts the user to tryagain. Here is the code for this page:
Invalid Internet Username Or Password.
Please enter your username or account information for authorized access Application. To do this, this application assigns a user created in any
filearea and has been assigned to all groups
Tutorial. Click here to Come Posso Risolvere La Pagina Di Errore Del Modulo J_security_check
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