On Mon, 2013-08-05 at 10:59 -0700, Alex Oscherov wrote:
> I have a problem making http async client working with Exchange server
> through IIS 7.5. Everything works fine as long as requests are small
> but as soon as size of requests increases communication fails with the
> HTTP 400 response from the server. 
> 
> 
> Analysing log (attached) I observe following behaviour from the HTTP
> async client :
> 
> 1. on line 2013/08/05 10:30:42:497 PDT [DEBUG] client starts sending
> request to the server
> 
> 2. on line 2013/08/05 10:30:42:515 PDT client while sending request
> not finished receives authentication challenge from server
> 
> 3. on line 2013/08/05 10:30:42:552 PDT client sends to the server new
> authenticated request but instead of starting to send body of the
> request from the beginning it just sends body of the request from the
> point where it was interrupted first time.
> 
> 
> As a result server can't process request and sends back HTTP 400.
> 
> I am not an experienced http async client library user so it is quite
> possible that I am doing something wrong.
> 
> 
> Any advice or recommendation will be highly appreciated and any
> additional information if it is needed could be provided.
> 
> 

Alex

Please please attach a complete log of the session.

Oleg




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