Glad you found a solution. I'm on a project involving tomcat 4 and pdfs 
too so I would probably have stumbled upon the same problem eventually.

/Nicolas

Jay Teo wrote:

>
> Nicolas,
>
> Thanks for you response.
>
> I just solved my problem (or at least found a workaround). I think 
> it's an IE6 bug.
>
> After posting my original message, it was clear that the only 
> difference in the response header was "HTTP/1.0" vs "HTTP/1.1".  So I 
> configured Tomcat 4 to use the HTTP 1.0 Connector and now ie6 is happy.
>
> One more thing, right after posting my question, I realized the iText 
> mailing list may not be the most appropriate place to post this 
> question. I apologize if that's the case.
>
>
> -j
>
>
>
>
>
> Nicolas Ivering wrote:
>
>> Is it ie6 or acroread saying it can't open the file? It it is 
>> acroread it may be that tomcat 4 is sending as ASCII instead of  binary.
>>
>> Best Regards
>> Nicolas Ivering
>>
>> Jay Teo wrote:
>>
>>>
>>> Hi,
>>>
>>> I have been using iText to generate PDF from Java servlets for some 
>>> time now and it has worked great until I upgraded Tomcat from 3.3 to 
>>> 4.0.
>>>
>>> After the upgrade, it's still working fine with IE 5.5. IE 6.0, 
>>> however, would pop up a window asking the user if he wants to Open 
>>> or Save the file. And regardless of which one you pick, it would say 
>>> it's unable to open.
>>>
>>> Using a program called JSnoop to trace the HTTP communication 
>>> between IE and Tomcat, I got the following headers:
>>>
>>>
>>> ----- (TOMCAT 3.3) -----
>>>
>>> HTTP/1.0 200 OK
>>> Pragma: no-cache
>>> Expires: Thu, 01 Jan 1970 00:00:00 GMT
>>> Cache-Control: no-cache
>>> Content-Type: application/pdf
>>> Content-Length: 12543
>>> Servlet-Engine: Tomcat Web Server/3.2.1 (JSP 1.1; Servlet 2.2; Java 
>>> 1.3.0; Linux 2.2.16-22 i386; java.vendor=Sun Microsystems Inc.)
>>>
>>>
>>> ----- (TOMCAT 4.0.3) -----
>>>
>>> HTTP/1.1 200 OK
>>> Content-Type: application/pdf
>>> Content-Length: 12543
>>> Date: Mon, 22 Apr 2002 14:56:46 GMT
>>> Pragma: no-cache
>>> Server: Apache Tomcat/4.0.3 (HTTP/1.1 Connector)
>>> Cache-Control: no-cache
>>> Expires: Thu, 01 Jan 1970 00:00:00 GMT
>>>
>>> ------------------------------------------
>>>
>>>
>>> As you can see, they both have "Content-Type" set to 
>>> "application/pdf". So what is wrong here?
>>>
>>> I'm at a loss, any help/suggestions would be appreciated.
>>>
>>>
>>>
>>> -j
>>>
>>>
>>>
>>>
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>>
>>
>>
>>
>>
>>
>>
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