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
> >
> >
> > ---------------------------------
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> > SBC Yahoo! DSL - Now only $29.95 per month!
>
>
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