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POImporting ASMX Web Service metadata to WCF Endpoint
 

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    <p>I am interested in impersonating well-known Web Services and Wcf Services for integration test purposes. To this end, I would like to capture service metadata, auto-generate service stubs, and host service stubs in a self-hosted environment.</p> <p>Following <a href="http://msdn.microsoft.com/en-us/library/ms733780.aspx" rel="nofollow noreferrer">this article here</a>, I am able to obtain remote Wcf Service metadata and generate contracts. However, I am having some difficulty doing the same for remote Asmx Web Services.</p> <p>I have a set of mickey-mouse solutions for vetting this out.</p> <p>My Asmx solution contains a default "Hello World" web service, found below </p> <pre><code>[WebService(Namespace = "http://tempuri.org/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] [System.ComponentModel.ToolboxItem(false)] public class SimpleAsmxService : System.Web.Services.WebService { [WebMethod] public string HelloWorld () { return "Hello World"; } } </code></pre> <p>My Wcf solution contains a default "Hello World" service, also found below</p> <pre><code>[ServiceContract] public interface ISimpleWcfService { [OperationContract] string GetData(int value); [OperationContract] CompositeType GetDataUsingDataContract(CompositeType composite); } [DataContract] public class CompositeType { [DataMember] public bool BoolValue { get; set; } [DataMember] public string StringValue { get; set; } } public class SimpleWcfService : ISimpleWcfService { public string GetData(int value) { return string.Format("You entered: {0}", value); } public CompositeType GetDataUsingDataContract(CompositeType composite) { if (composite.BoolValue) { composite.StringValue += "Suffix"; } return composite; } } </code></pre> <p>Finally, the little console-that-could looks like</p> <pre><code>class Program { public const string UrlWcf = "http://localhost:8731/Design_Time_Addresses/SimpleWcfService/mex"; public const string UrlAsmx = "http://localhost:1803/SimpleAsmxService.asmx?WSDL"; static void Main(string[] args) { EndpointAddress mexAddress = new EndpointAddress (UrlWcf); MetadataExchangeClient mexClient = new MetadataExchangeClient (mexAddress); mexClient.ResolveMetadataReferences = true; // NOTE: blows up if we use UrlAsmx MetadataSet metaSet = mexClient.GetMetadata (); WsdlImporter importer = new WsdlImporter (metaSet); Collection&lt;ContractDescription&gt; contracts = importer.ImportAllContracts(); } } </code></pre> <p>It seems to me that I should be able to pull Wsdl from a well-known Asmx Web Service and generate contracts [and from contracts to code], but cannot seem to contort the preceding sample to do so. Any help would be much appreciated,</p> <p>Thanks!</p> <hr> <p><strong>NOTE:</strong> the error generated when invoking <code>MetadataSet metaSet = mexClient.GetMetadata();</code> above is a <code>System.InvalidOperationException</code> with message of </p> <blockquote> <p>Metadata contains a reference that cannot be resolved : '<a href="http://localhost:1803/SimpleAsmxService.asmx?WSDL" rel="nofollow noreferrer">http://localhost:1803/SimpleAsmxService.asmx?WSDL</a>'</p> </blockquote> <p>With a <code>System.InvalidOperationException</code> inner exception with message of</p> <pre><code>&lt;?xml version="1.0" encoding="utf-16"?&gt; &lt;Fault xmlns="http://www.w3.org/2003/05/soap-envelope"&gt; &lt;Code&gt; &lt;Value&gt;Sender&lt;/Value&gt; &lt;/Code&gt; &lt;Reason&gt; &lt;Text xml:lang="en"&gt; System.Web.Services.Protocols.SoapException: Unable to handle request without a valid action parameter. Please supply a valid soap action. at System.Web.Services.Protocols.Soap12ServerProtocolHelper.RouteRequest() at System.Web.Services.Protocols.SoapServerProtocol.RouteRequest(SoapServerMessage message) at System.Web.Services.Protocols.SoapServerProtocol.Initialize() at System.Web.Services.Protocols.ServerProtocol.SetContext(Type type, HttpContext context, HttpRequest request, HttpResponse response) at System.Web.Services.Protocols.ServerProtocolFactory.Create(Type type, HttpContext context, HttpRequest request, HttpResponse response, Boolean&amp;amp; abortProcessing) &lt;/Text&gt; &lt;/Reason&gt; &lt;/Fault&gt; </code></pre>
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