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From Shawn Bayern <bay...@essentially.net>
Subject Re: DO NOT REPLY [Bug 5486] New: - Standard EA3 Taglib import does not work with if-modified-since http header field (fwd)
Date Tue, 18 Dec 2001 18:25:48 GMT
Thanks Craig - I actually bounced the user who reported it over to Tomcat;
the bug was initially filed against the Standard Taglib (EA3), but as far
as I can tell, it's a container-related issue (though not necessarily a
bug).

Shawn

On Tue, 18 Dec 2001, Craig R. McClanahan wrote:

> To TAGLIBS-DEV,
> 
> This bug was posted against Tomcat 4.  However, it might well be an issue
> with the EA3 release of the JSP Standard Tag Library (JSTL), so wanted you
> guys to be aware of it as well.
> 
> Craig McClanahan
> 
> 
> ---------- Forwarded message ----------
> Date: 18 Dec 2001 16:54:50 -0000
> From: bugzilla@apache.org
> Reply-To: Tomcat Developers List <tomcat-dev@jakarta.apache.org>
> To: tomcat-dev@jakarta.apache.org
> Subject: DO NOT REPLY [Bug 5486] New:  -     Standard EA3 Taglib import
>     does not work with if-modified-since http header field
> 
> DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG
> RELATED COMMENTS THROUGH THE WEB INTERFACE AVAILABLE AT
> <http://nagoya.apache.org/bugzilla/show_bug.cgi?id=5486>.
> ANY REPLY MADE TO THIS MESSAGE WILL NOT BE COLLECTED AND
> INSERTED IN THE BUG DATABASE.
> 
> http://nagoya.apache.org/bugzilla/show_bug.cgi?id=5486
> 
> Standard EA3 Taglib import does not work with if-modified-since http header field
> 
>            Summary: Standard EA3 Taglib import does not work with if-
>                     modified-since http header field
>            Product: Tomcat 4
>            Version: 4.0.1 Final
>           Platform: Sun
>         OS/Version: Solaris
>             Status: NEW
>           Severity: Normal
>           Priority: Other
>          Component: Catalina
>         AssignedTo: tomcat-dev@jakarta.apache.org
>         ReportedBy: sam.cooper@scisys.co.uk
> 
> 
> I'm not sure what is causing this problem, whether it is the Standard taglib implementation
or a
> bug in Tomcat 4.0.1 but the taglib people pointed the finger this way ;-)
> 
> Basically, I am
> trying to use the new Standard taglib to perform XSL
> transformations. What my pages do is use
> the core:import tag to load an XSL from a local resource file and pass it to a
> xml:transform.
> 
> This works fine under IE 5.5 and Netscape but under Opera
> 5 and 6 I get very
> strange behaviour.
> 
> The first time I visit the page it works fine, but if I visit the page from
> another page the import does not happen. The attribute in the page context has
> been created but
> it is empty.
> 
> I have created a small web archive to demostrate this and have attached it. You
> will need to put the EA3 jars in the WEB-INF lib directory before it works.
> 
> To get this strange
> behaviour you have to vist the two pages using the links provided. After a couple of
visits the
> imported text on the first page does not get displayed unless you do a refresh on that
page.
> 
> I
> have also included a request/response dump from catalina which shows this
> procedure first
> done with IE and then using Opera. The only major difference that I can see is the if-modified-since
> field.
> 
> After further testing it seems it is definiately to do with the if-modified-since
> field, something that Opera always provides once it has seen a page but IE does not seem
to.
> 
> I
> have created a little Java program to do this, you will have to edit it to provide the
correct
> URL!
> 
> Thanks.
> Sam.
> 
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