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POThis operation is not supported in the wcf test client because it uses type system.io.stream
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  1. POThis operation is not supported in the wcf test client because it uses type system.io.stream
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    copied!<p>When I run my sample WCF application I get the following error in WCF Test Client window</p> <pre><code>This operation is not supported in the wcf test client because it uses type system.io.stream </code></pre> <p>I have ping method that uses Stream in my service implementation.</p> <pre><code> public string Ping(Stream input) { var streamReader = new StreamReader(input); string streamString = streamReader.ReadToEnd(); streamReader.Close(); NameValueCollection nvc = HttpUtility.ParseQueryString(streamString); return string.IsNullOrEmpty(nvc["message"]) ? "The 'message' key value pair was not received." : nvc["message"]; } </code></pre> <p>in my web.config file I added </p> <pre><code>&lt;basicHttpBinding&gt; &lt;binding name="HttpStreaming" maxReceivedMessageSize="67108864" transferMode="Streamed" &gt; &lt;/binding&gt; &lt;/basicHttpBinding&gt; </code></pre> <p>To allow streaming. now when I run the application I get the above error. I googled and researched quite a bit. I used fiddler to track down the error and it was http error 415 which is confirming the above error coming from WCF Test Client. </p> <p><strong>Update:</strong> Here is my service contract</p> <pre><code>[ServiceContract] public interface IService1 { [OperationContract] [WebInvoke(UriTemplate = "ping")] string Ping(Stream input); } </code></pre> <p>Curl command I used </p> <pre><code>curl -x 127.0.0.1:8888 http://localhost:8000/Service1.svc/ping -d message=pong </code></pre> <p>Notice -x 127.0.0.1:8888 is for fiddler to capture the traffic </p> <p>Here is fiddler result</p> <pre><code># Result Protocol Host URL Body Caching Content-Type Process Comments Custom 1 415 HTTP localhost:8000 /Service1.svc/ping 0 private curl:7440 </code></pre>
 

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