Tomcat 4, IIS, ISAPI redirector

["Dean H. Saxe" <de...@fullfrontalnerdity.com>]

I have run across an interesting problem with Tomcat4/IIS.  I have written 
a servlet which proxies TIFF images to a user for diaply in a web page.  My 
application works fine as long as I use MSIE to connect directly to Tomcat 
and retrieve the TIFF images from the servlet.  However, when I connect to 
IIS via HTTPS and the image is returned (I know it is from the logs) MSIE 
generates an error that the plugin could not read the data.  Furthermore, 
my logs show the connection from MSIE is established twice, back to back.

This has led me to believe that the connection between IIS and Tomcat 
through the ISAPI filter is possibly causing the inclusion of different 
headers (content-type, perhaps?) or other information in the HTTP response 
header which is causing MSIE to choke on these images.  Has anyone here 
seen similar issues with IIS/Tomcat4/ISAPI redirector?  Is anyone aware of 
any tools which would allow me to sniff and decrypt the returned headers?

Any advice/help I can get is greatly appreciated.

-dhs


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