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copied!<p>I came across this article 2 days ago when I had the same problem. I tried everything, it worked on my local machine but did not work on the production server. Today, I have a workaround that fixes the problem and would like to share. Microsoft seems to not apply timeout to IHttpAsyncHandler and I take advantage of that. On my system, I only have 1 handler that is time-consuming, so this solution works for me. My handler code looks like this:</p> <pre><code>public class Handler1 : IHttpAsyncHandler { public bool IsReusable { get { return true; } } public void ProcessRequest(HttpContext context) { } public IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback cb, object extraData) { //My business logic is here AsynchOperation asynch = new AsynchOperation(cb, context, extraData); asynch.StartAsyncWork(); return asynch; } public void EndProcessRequest(IAsyncResult result) { } } </code></pre> <p>And my helper class:</p> <pre><code>class AsynchOperation : IAsyncResult { private bool _completed; private Object _state; private AsyncCallback _callback; private HttpContext _context; bool IAsyncResult.IsCompleted { get { return _completed; } } WaitHandle IAsyncResult.AsyncWaitHandle { get { return null; } } Object IAsyncResult.AsyncState { get { return _state; } } bool IAsyncResult.CompletedSynchronously { get { return false; } } public AsynchOperation(AsyncCallback callback, HttpContext context, Object state) { _callback = callback; _context = context; _state = state; _completed = false; } public void StartAsyncWork() { _completed = true; _callback(this); } } </code></pre> <p>In this approach, we actually do not do anything asynchronously. <code>AsynchOperation</code> is just a fake asyn task. All of my business logic is still executed on the main thread which does not change any behavior of the current code.</p>

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