WCF error: extension could not be loaded

.net, c#, exception, wcf, wcf-extensions

Solution

Change your type definition. First, specify the full type name (namespace + class name). After a comma, place the name of the DLL holding your type. And then the rest for a fully qualified type name. Like this:

<behaviorExtensions>
    <add name="customHeaders" type="InMotionGIT_NT.Address.Service.CustomHeaders, <DLLName> , Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" />
</behaviorExtensions>

Problem

I defined a class in my project which overrides `IDispatchMessageInspector` and I added the configuration related but it's doesn't work System.Configuration.ConfigurationErrorsException: The type 'InMotionGIT_NT.Address.Service, CustomHeaders, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' registered for extension 'customHeaders' could not be loaded. (C:\Users\jmachado\Documents\Visual Studio 2010\Projects\InMotionGIT_NT\Address Service\InMotionGIT_NT.Address.Service\bin\Debug\InMotionGIT_NT.Address.Service.dll.config line 67) this is how i called my custom extension ``` <endpointBehaviors> <behavior name="jsonBehavior"> <enableWebScript/> <customHeaders/> <!--<webHttp/>--> </behavior> </endpointBehaviors> ``` this is how i defined my custom extension ``` <behaviorExtensions> <add name="customHeaders" type="InMotionGIT_NT.Address.Service, CustomHeaders, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null"/> </behaviorExtensions> ``` Here's the class that I defined, that's inside of my project ``` [AttributeUsage(AttributeTargets.Class)] public class CustomHeaders : IDispatchMessageInspector { public object AfterReceiveRequest(ref Message request, ClientChannel channel, InstanceContext instanceContext) { if ((WebOperationContext.Current.IncomingRequest.Method == "GET")) { WebOperationContext.Current.OutgoingResponse.Headers.Add("Access-Control-Allow-Origin", "*"); WebOperationContext.Current.OutgoingResponse.Headers.Add("Access-Control-Allow-Methods", "POST"); WebOperationContext.Current.OutgoingResponse.Headers.Add("Access-Control-Allow-Headers", "Content-Type, Accept"); } return null; } public void BeforeSendReply(ref Message reply, object correlationState) { } } ``` Do I miss something in the configuration?

Original source