Howdy, Here's an idea: add an HTML META refresh tag to each page whose redirect URL is the login page and whose timeout is the session timeout less a few seconds. That way the user will get redirected to the login page before the session timeout -- they won't be able to press the submit button.
Yoav Shapira Millennium ChemInformatics >-----Original Message----- >From: Hayo Schmidt [mailto:[EMAIL PROTECTED] >Sent: Wednesday, October 01, 2003 11:16 AM >To: Tomcat Users List >Subject: How do i handle session-timeout in an acceptable manner? > >I have a built a web application on Tomcat 4.1.18. The application is >running with a HTTPS connection. session-timeout is configured and works >so far. But i am absolutely not satisfied with what happens when a >timeout occurs. >The web application is configured for form based authentication. When >the connection has timed out, the user is presented the login page when >he does his next action. And, all data saved with the session are lost. >Fine - i could live with that. > >But what happens in a real case: >- The user waits too long - timeout. >- The user pushes an INPUT type="submit" and creates a POST operation. >- Tomcat redirects to the login page. >- The user logs in. >- Tomcat redirects to the original aim of the post operation, but he >does it as a GET operation. >Alternative 1: >- My application does not allow get operations at this place ==> >Application Error. >Alternative 2: >- The application allows the vulnerable get operation, but the button >that was pushed is not passed anymore ==> Application Error. > >Now what can i do? I must interfere the session timeout to do an >operation. Or i should be able to detemine that the current request is >the first after a timeout. The way my application currently crashes is >not acceptable. > >Hayo Schmidt > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
