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POC# HTTP Post code causing Worker Process Hang Up
 

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  1. POC# HTTP Post code causing Worker Process Hang Up
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    <p>We have been noticing hanging requests when viewing worker processes in IIS, and we initially thought that specifying an HTTP timeout value would solve the problem, but it didn't. We located the piece of code causing the issue, but we are still unsure what might be causing it.</p> <p>The following piece of code takes in a List of Key/Value pairs and creates a HTTP Post request and puts the values in the POST payload. It works most of the time fine, but not sure what might be causing the problems.</p> <pre><code> public List&lt;KeyValuePair&lt;string, string&gt;&gt; Data { get; set; } public string Invoke() { StringBuilder paramBuilder = new StringBuilder(); for (int i = 0; i &lt; Data.Count; i++) { var d = Data[i]; string delimeter = i &lt; Data.Count - 1 ? "&amp;" : string.Empty; paramBuilder.AppendFormat("{0}={1}{2}", d.Key.Trim(), d.Value != null ? HttpUtility.UrlEncode(d.Value.Trim()) : string.Empty, delimeter); } WebRequest request = WebRequest.Create(Url); request.ContentLength = paramBuilder.Length; request.ContentType = "application/x-www-form-urlencoded"; request.Method = "POST"; Stream rs = request.GetRequestStream(); ASCIIEncoding encoding = new ASCIIEncoding(); var postData = encoding.GetBytes(paramBuilder.ToString()); rs.Write(postData, 0, postData.Length); var response = request.GetResponse(); StreamReader reader = new StreamReader(response.GetResponseStream()); string str = reader.ReadToEnd(); rs.Close(); //JUST ADDED _ MAYBE THESE WERE THE PROBLEM? reader.Close(); //JUST ADDED - MAYBE THESE WERE THE PROBLEM? return str; } </code></pre> <p>Any ideas would be helpful. </p> <p>Thanks</p>
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    1. USTheJediCowboy
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    1. COThis won't fix your problem, I don't think (though it could, depending on the situation), but you should make a habit of using the `using` statement and properly handle disposable objects (Stream, StreamReader, and WebResponse). You also don't need to instantiate ASCIIEncoding. Just use the `Encoding.ASCII.GetBytes()` method.
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      1. USPete
 

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