Just to confirm, I dont need to place the following <META HTTP-EQUIV="Expires" CONTENT="-1"> <META HTTP-EQUIV="Pragma" CONTENT="no-cache"> <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache">
In my pages? It is cool not to see these repeated lines in all my pages -Dan ----- Original Message ----- From: "James Childers" <[EMAIL PROTECTED]> To: "Struts Users Mailing List" <[EMAIL PROTECTED]> Sent: Tuesday, July 01, 2003 9:29 AM Subject: RE: Tag to remove jsp from cache??? > -----Original Message----- > From: Dan Tran [mailto:[EMAIL PROTECTED] > Sent: Tuesday, July 01, 2003 11:20 AM > To: Struts Users Mailing List > Subject: Re: Tag to remove jsp from cache??? > > question: can I just configure the controller .. and > dothing on the page? That's correct. See: http://jakarta.apache.org/struts/api/org/apache/struts/config/ControllerConfig.html#nocache > ----- 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 --------------------------------------------------------------------- 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]
