Server Error in '/' Application.
Le contrat exige le mode Duplex mais la liaison 'BasicHttpBinding' ne le prend pas en charge, ou elle n'est pas configurée correctement pour cela.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.InvalidOperationException: Le contrat exige le mode Duplex mais la liaison 'BasicHttpBinding' ne le prend pas en charge, ou elle n'est pas configurée correctement pour cela.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[InvalidOperationException: Le contrat exige le mode Duplex mais la liaison 'BasicHttpBinding' ne le prend pas en charge, ou elle n'est pas configurée correctement pour cela.]
System.ServiceModel.Description.DispatcherBuilder.BuildChannelListener(StuffPerListenUriInfo stuff, ServiceHostBase serviceHost, Uri listenUri, ListenUriMode listenUriMode, Boolean supportContextSession, IChannelListener& result) +12218074
System.ServiceModel.Description.DispatcherBuilder.InitializeServiceHost(ServiceDescription description, ServiceHostBase serviceHost) +1228
System.ServiceModel.ServiceHostBase.InitializeRuntime() +60
System.ServiceModel.ServiceHostBase.OnBeginOpen() +27
System.ServiceModel.ServiceHostBase.OnOpen(TimeSpan timeout) +50
System.ServiceModel.Channels.CommunicationObject.Open(TimeSpan timeout) +318
System.ServiceModel.Channels.CommunicationObject.Open() +36
System.ServiceModel.HostingManager.ActivateService(String normalizedVirtualPath) +184
System.ServiceModel.HostingManager.EnsureServiceAvailable(String normalizedVirtualPath) +615
[ServiceActivationException: The service '/ServiceHelloWorld.svc' cannot be activated due to an exception during compilation. The exception message is: Le contrat exige le mode Duplex mais la liaison 'BasicHttpBinding' ne le prend pas en charge, ou elle n'est pas configurée correctement pour cela..]
System.Runtime.AsyncResult.End(IAsyncResult result) +679246
System.ServiceModel.Activation.HostedHttpRequestAsyncResult.End(IAsyncResult result) +190
System.ServiceModel.Activation.HostedHttpRequestAsyncResult.ExecuteSynchronous(HttpApplication context, String routeServiceVirtualPath, Boolean flowContext, Boolean ensureWFService) +234
System.ServiceModel.Activation.HttpModule.ProcessRequest(Object sender, EventArgs e) +355
System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +148
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75
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