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From "Adress, David S." <David.S.Adr...@pfizer.com>
Subject RE: Tomcat, JSP and Cache
Date Wed, 06 Dec 2000 19:13:24 GMT
Can you send me an example of how to use HTTp header?

-----Original Message-----
From: Paulo Gaspar [mailto:paulo.gaspar@krankikom.de]
Sent: Wednesday, December 06, 2000 11:47 AM
To: tomcat-user@jakarta.apache.org; Tomcat-Dev
Subject: RE: Tomcat, JSP and Cache


That looks more like a browser/proxy issue.

Notice that:
 - Internet Explorer often caches pages when it should NOT do it;
 - Internet Explorer sometimes even uses a cache copy when you refresh;
 - Some browsers ignore those meta tags.
 - Proxies (usualy) ignore those meta tags.

Solutions I use:
 - To control page caching I use HTTP headers;
 - To avoid Internet Explorer caching issues I use Netscape 4.7x (the
   page doesn't look so good but caching and refresh realy work in a
   predictable way.

For more info on caching issues and the relevant HTTP headers read...

Basics and HTTP headers:
  http://www.netapp.com/products/netcache/cache_basics.html

  http://www.mnot.net/cache_docs/
  or http://www.web-caching.com/mnot_tutorial/notes.html

THE web caching site:
  http://www.web-caching.com/

On Proxy caches:
  http://info.connect.com.au/docs/proxy/faq.html
and, if you like RFCs:
  http://www.faqs.org/rfcs/rfc2187.html


Have fun,
Paulo Gaspar


> -----Original Message-----
> From: Adress, David S. [mailto:David.S.Adress@pfizer.com]
> Sent: Tuesday, December 05, 2000 15:15
>
>
> I was wondering if anyone can help. I have tomcat server 3.1 running a
> servlet and jsp page.
> I have a servlet calling a jsp page with the redirect method. I've put the
> required meta tags on the jsp page  so the page should not cache. However,
> the page is still caching. In order for my page to display the proper
> results I need to have my browser reload. Are there any setups
> that need to
> be done to Tomcat or do I need to have a web server running also????
>
> Thanks
>
> -----Original Message-----
> From: Pier P. Fumagalli [mailto:pier@betaversion.org]
> Sent: Monday, December 04, 2000 3:49 PM
> To: Adress, David S.; 'webmaster@jakarta.apache.org'
> Subject: Re: Tomcat, JSP and Cache
>
>
> Adress, David S. <David.S.Adress@pfizer.com> wrote:
> >
> > I was wondering if you can help.
>
> Nope, I'm sorry... You'd better contact the Tomcat USERS mailing
> list. Check
> out <http://jakarta.apache.org/mail.html>
>
>     Pier
>
> > I have tomcat server running a jsp page.
> > I've put the required meta tags so the page should not cache.
> However, the
> > page is still caching. In order for my page to display the
> proper results
> I
> > need to have my browser reload. Are there any setups that need
> to be done
> to
> > Tomcat ???
> >
> > Thanks
> >
> --
> Pier P. Fumagalli  Apache Software Foundation
> <mailto:pier@betaversion.org>
> ------------------------------------------------------------------
> ----------

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