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The requested service, 'http://localhost/MyServices/Test.svc' could not be activated Exception....

Posted By:      Posted Date: August 30, 2010    Points: 0   Category :WCF
Hi I am using VS2010, WPF/WCF/.Net4, IIS 7, Windows 7. I am calling methods asynchronously, some times during execution I get the following errror.  The requested service, 'http://localhost/MyServices/Test.svc' could not be activated. See the server's diagnostic trace logs for more information. ======================== Server stack trace:    at System.ServiceModel.AsyncResult.End[TAsyncResult](IAsyncResult result)    at System.ServiceModel.Channels.ServiceChannel.SendAsyncResult.End(SendAsyncResult result)    at System.ServiceModel.Channels.ServiceChannel.EndCall(String action, Object[] outs, IAsyncResult result)    at System.ServiceModel.Channels.ServiceChannelProxy.InvokeEndService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)    at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message) Exception rethrown at [0]:    at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)    at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)    at WSProxy.PatientService.IPatient.EndLoadPatientCardsInfosCompress(IAsyncResult result)    at WSProxy.PatientService.PatientClient.EndLoadPatientCardsInfosCompress(IAsyncResult result) ========================= Using BasiHttpBindi

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