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POWCF client not mapping and returning null objects
 

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    <p>I've setup a Service Reference (WCF Client) to call a Java Web Service from a Console Application I've setup for testing. It is using HTTPS. I have Fiddler setup and can see the proper values being sent and returned from the service (in Fiddler). But no matter what method I call, the returned values, regardless if it is a String or an object, comes back as Null. </p> <p>I'm not sure if the proxy client mapping isn't working or if I need to change a configure value in app.config.</p> <p>app.config:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8" ?&gt; &lt;configuration&gt; &lt;startup&gt; &lt;supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /&gt; &lt;/startup&gt; &lt;system.serviceModel&gt; &lt;bindings&gt; &lt;customBinding&gt; &lt;binding name="ResultsSOAP12Binding"&gt; &lt;textMessageEncoding messageVersion="Soap12" /&gt; &lt;/binding&gt; &lt;binding name="ResultsSOAP12Binding1"&gt; &lt;textMessageEncoding messageVersion="Soap12" /&gt; &lt;httpsTransport /&gt; &lt;/binding&gt; &lt;binding name="ResultsSOAP12Binding2"&gt; &lt;textMessageEncoding messageVersion="Soap12" /&gt; &lt;/binding&gt; &lt;/customBinding&gt; &lt;/bindings&gt; &lt;client&gt; &lt;endpoint address="https://services.acme.com/results" binding="customBinding" bindingConfiguration="ResultsSOAP12Binding1" contract="ResultsServiceReference.Result &lt;/client&gt; &lt;/system.serviceModel&gt; &lt;/configuration&gt; </code></pre> <p>Code:</p> <pre><code>static void CallResults() { var resultsRequest = new ResultsServiceReference.ResultsRequest(); var client = new ResultsServiceReference.ResultsPortTypeClient("ResultsSOAP12BindingQSPort"); Console.WriteLine("Call Results Service"); ResultsServiceReference.ResultsBatch result = client.latestResults(resultsRequest); Console.WriteLine(result.Status); Console.ReadLine(); } </code></pre> <p>In this code the variable <strong>result</strong> is null, even though when you look in Fiddler you can see the XML. No error is displayed until you try to use result.</p> <p>BTW, I tried setting a breakpoint inside the latestResults method in the proxy class reference.cs, but the debugger doesn't reach it. </p>
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    1. COSounds like a de-serialization issue, has the remote schema changed and invalidated your `ResultsBatch` proxy class?
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    2. COThis is a new setup. I agree it sounds like a deserialization issue. Since the breakpoint in the proxy class isn't reached, what the best way to troubleshoot?
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    3. COdo you mean you can see the correct response using fiddler?
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