question: can I just configure the controller .. and dothing on the page? -D ----- Original Message ----- From: "Nicolas De Loof" <[EMAIL PROTECTED]> Newsgroups: Struts Sent: Tuesday, July 01, 2003 5:41 AM Subject: Re: Tag to remove jsp from cache???
> You can configure Struts to ad HTTP no-cache headers to every response : > > in struts-config.xml : > <controller nocache="true"/> > > You can add some HTTP directives to your JSP (or tiles layouts) like this : > > <head> > <meta http-equiv="expires" content="now"> > <meta http-equiv="pragma" content="no-cache"> > <meta http-equiv="Cache-Control" content="no-cache"> > </head> > > Nico. > > > > > Before you send any data in the response you can > > Send the following thru your response object: > > > > <% > > response.setDateHeader ("Expires", 0); > > response.setHeader ("Pragma", "no-cache"); > > if (request.getProtocol().equals ("HTTP/1.1")) { > > response.setHeader ("Cache-Control", "no-cache"); > > } > > %> > > > > Note, however that users can still go back in history > > And resubmit their data. Browsers maintain history list > > And unfortunately they do remember form data too. So if > > Your user submitted a request and then clicks back button, > > The browser will ask him/her if he/she wants to resubmit > > the data? I saw a note somewhere in Ted's (I think) book > > about how you can prevent this kind of submission on the > > server side but have not explored that further. Now I > > can't even remember where I saw it. > > > > The gist of it is that before you send the form to be > > submitted by the user you stamp it, and remember what is > > it you still expecting from the user inside the Session > > context. If user submits the form with the right stamp > > the request is processed, otherwise you can tell the user > > to stop resubmitting the same request. > > > > Alex. > > > > > -----Original Message----- > > > From: Prashanth.S [mailto:[EMAIL PROTECTED] > > > Sent: Tuesday, July 01, 2003 8:08 AM > > > To: [EMAIL PROTECTED] > > > Subject: Tag to remove jsp from cache??? > > > > > > Hi all, > > > Is there any tag in struts to remove cache?? > > > Whenever i hit Browser 'Back' button it should not take from the > > cache.. > > > Any help is appreciated.. > > > or is there any option to do that > > > Thanks > > > Prashanth > > > > > > > > > --------------------------------- > > > Do you Yahoo!? > > > SBC Yahoo! DSL - Now only $29.95 per month! > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]