Ошибка клиента теста WCF при использовании Visual Studio 2017 Community Edition
Я столкнулся с этой проблемой при попытке запустить службу WCF. Любая помощь будет высоко оценена.
Сервер обнаружил ошибку при обработке запроса. Сообщение об исключении: "Ссылка на объект не установлена на экземпляр объекта".
See server logs for more details.
The exception stack trace is:
at System.Data.Services.Providers.ObjectContextServiceProvider.PopulateMetadata(ProviderMetadataCacheItem metadataCacheItem)
at System.Data.Services.Providers.BaseServiceProvider.LoadMetadata(Boolean skipServiceOperations)
at System.Data.Services.Providers.EntityFrameworkDataService`1.CreateInternalProvider(Object dataSourceInstance)
at System.Data.Services.DataService`1.CreateMetadataAndQueryProviders(IDataServiceMetadataProvider& metadataProviderInstance, IDataServiceQueryProvider& queryProviderInstance, Object& dataSourceInstance, Boolean& isInternallyCreatedProvider)
at System.Data.Services.DataService`1.CreateProvider()
at System.Data.Services.DataService`1.HandleRequest()
at System.Data.Services.DataService`1.ProcessRequestForMessage(Stream messageBody) at SyncInvokeProcessRequestForMessage(Object , Object[] , Object[] )
at System.ServiceModel.Dispatcher.SyncMethodInvoker.Invoke(Object instance, Object[] inputs, Object[]& outputs)
at System.ServiceModel.Dispatcher.DispatchOperationRuntime.InvokeBegin(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage5(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage41(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage4(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage31(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage3(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage2(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage11(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage1(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.MessageRpc.Process(Boolean isOperationContextSet)