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From Pilho Kim <ph...@math.soongsil.ac.kr>
Subject RE: Tomcat, JSP and Cache
Date Thu, 07 Dec 2000 02:05:08 GMT
Hi,

Tomcat 3.x and 4.0 have a Cache-Control Bug.
But, none of Tomcat commiters know that.
Because I am not a commiter, I cannot fix the Bug of Tomcat.

Try to check my page:

    http://www.javaclue.org/tomcat/patch32/dopatch.html


Kim



On Wed, 6 Dec 2000, Paulo Gaspar wrote:

> 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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