Having searched on this issue, I realized that not all browsers
(or their versions) behave always as expected with these directives.
What I did to solve a similar problem was to subclass the 
TemplateLink class and add some code to always add a dummy
path info variable so that the browser thinks that this is a different
url. Below is the code.

public class TemplateLinkEx extends TemplateLink {
    public TemplateLinkEx() {
        super();
    }

    public TemplateLinkEx(RunData data)
    {
        super(data);
        addPathInfo("nocacheid", new java.util.Date().getTime());
    }
}

I hope that helps.
Costas

----- Original Message ----- 
From: "Scott Eade" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, August 07, 2001 8:05 AM
Subject: Browser cache control


> Because the data changes all of the time, I need to instruct all
> browsers that surf to my turbine site to not use their cache nor
> any other cache that may be sitting in a proxy server between 
> the browser and the web server.  To do this I currently have:
> 
> $page.setHttpEquiv("Cache-Control", "no-cache")
> $page.setHttpEquiv("Pragma", "no-cache")
> 
> in my default page layout.  This clearly adds:
> 
> <meta content="no-cache" http-equiv="Cache-Control">
> <meta content="no-cache" http-equiv="Pragma">
> 
> to the HTML output, but I am not sure if it is actually setting
> the HTTP headers - the behaviour I am seeing is that it is 
> not.
> 
> How can I set the actual HTTP headers so that the content
> expires immediately?  Won't all template driven apps need 
> to expire their content pretty much immediately?
> 
> Thanks,
> 
> Scott
> 
> 
> 
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