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"contype" userAgent in Httprequest

 
Prabu CBE
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I'm using servlets to generate PDF's at runtime and flush them. Bur from Browser(IE 5.5 sp2) the request goes twice to the servlet. As per the link
http://support.microsoft.com/default.aspx? scid=kb;en-us;Q293792
the soln. lies in finding the "contype" userAgent in request. But how to find this?
Following is the excert from that link for soln.
"Resolution
To work around this limitation and to considerably improve the performance of your application, watch for the "contype" userAgent request and only return the content-type"

Thanks in advance.
 
Bonnie Beach-Morin
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The MS article sounds like it's looking for the User-Agent header in the HTTP request. You can access the HTTP headers using the following:

The User-Agent header indicates the client application that is making the request, such as IE or Mozilla.
A good way to find out what information a browser is sending, is to create a basic SnoopServlet that grabs all the headers (using req.getHeaderNames()) and prints them out.
For more information about HTTP headers, see RFC 2616
Hope this helps.
 
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