You can also try adding

response.setHeader("Pragma", "no-cache");
response.setHeader("Cache-Control", "no-cache");
response.setHeader("Cache-Control", "no-store");

but IE 4 may defeat you on all of these. See the archives for details,
but IE has a bug in which no-cache headers don't work under some
circumstances.

Rod McChesney, Korobra


Mike Knowles wrote:
>
> The following date is the "beginning of time" date for HTTP and it's always
> worked for me:
>
> <% response.setHeader("Expires", "Tue, 01 Jan 1981 01:00:00 GMT"); %>
>
> Mike
>
> -----Original Message-----
> From: Mike Engelhart [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, August 12, 1999 12:20 AM
> To: [EMAIL PROTECTED]
> Subject: Re: Expires not working
>
> Try this:
>
> <% response.setHeader("Expires", "-1"); %>
>
> This worked for me.
>
> Mike
> ----------
> >From: Steve Lopez <[EMAIL PROTECTED]>
> >To: [EMAIL PROTECTED]
> >Subject: Expires not working (via response.setHeader())
> >Date: Thu, Aug 12, 1999, 12:21 AM
> >
>
> > I want to ensure that a page is retrieved from the server and
> > not from the local browser cache.  I have the following code
> > in my jsp:
> >
> > <% response.setHeader("Expires", "Tues, 01 Jan 1980 00:00:00 GMT"); %>
> >
> > But this isn't working (the old page is loaded and the user is forced
> > to do a refresh.
> >
> > I am using the JSWDK-1.0 EA1 (JSP1.0) reference implementation
> > and the browser is IE4.01
> >
> > Thanks!
> >
> >
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