Web Api + HttpClient: An asynchronous module or handler completed while an asynchronous operation was still pending

Question

I\'m writing an application that proxies some HTTP requests using the ASP.NET Web API and I am struggling to identify the source of an intermittent error. It seems like a ra

Answer 1

A slightly simpler model is that you can actually just use the HttpContents directly and pass them around inside the relay. I just uploaded a sample illustrating how you can rely both requests and responses asynchronously and without buffering the content in a relatively simple manner:

http://aspnet.codeplex.com/SourceControl/changeset/view/7ce67a547fd0#Samples/WebApi/RelaySample/ReadMe.txt

It is also beneficial to reuse the same HttpClient instance as this allows you to reuse connections where appropriate.