Question

I have searched online for a solution, but have yet to find one that works.

I have a Silverlight application that uses a WCF web service.

Everything runs fine on my development environment.

When I publish to my DiscountASP.NET account – the web service gives me the following exception:

“Server Error in ‘/eLearning/Services’ Application.
The type ‘eLearning.Web.Services.Learning, eLearning.Web’, provided as the Service attribute value in the ServiceHost directive could not be found. “

Please refer to the actual exception at:

http://www.christophernotley.com/eLearning/Services/Learning.svc

I have made “eLearning” a web application – and moved the web.config to the root directory.

I have also confirmed that in the markup for the web service, that the service property states “eLearning.Web.Services.Learning, eLearning.Web”.

Any ideas as to what I am doing wrong?

Thanks.

Chris

Here is the markup for the web service:

<%@ ServiceHost Language="C#" Debug="true" Factory="System.Data.Services.DataServiceHostFactory, System.Data.Services, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" Service="eLearning.Web.Services.Learning, eLearning.Web" CodeBehind="Learning.svc.cs" %>

Here is the System.ServiceModel web config:

<system.serviceModel>
    <behaviors>
        <endpointBehaviors>
            <behavior name="RestBehaviorConfig">
                <webHttp/>
            </behavior>
            <behavior name="webBehavior">
                <webHttp/>
            </behavior>
        </endpointBehaviors>
        <serviceBehaviors>
            <behavior name="DebugEnabled">
      <serviceMetadata httpGetEnabled="true"/>
                <serviceDebug includeExceptionDetailInFaults="true"/>
            </behavior>
        </serviceBehaviors>
    </behaviors>
    <bindings>
        <customBinding>
            <binding name="customBinding0">
                <binaryMessageEncoding/>
                <httpTransport/>
            </binding>
        </customBinding>
    </bindings>
    <serviceHostingEnvironment aspNetCompatibilityEnabled="true">
        <baseAddressPrefixFilters>
    <add prefix="http://www.christophernotley.com/"/>
        </baseAddressPrefixFilters>
    </serviceHostingEnvironment>
    <services>
  <service behaviorConfiguration="DebugEnabled" name="eLearning.Web.Services.Learning">
    <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/>
  </service>
    </services>

</system.serviceModel>

Answer 1

Well, in a WCF scenario, your service URL is determined by three things:

• the name of the server
• the virtual directory (and any subdirectories) where the svc-file lives
• the name and extension of the svc file itself

In your case, the URL is

http://www.christophernotley.com/eLearning/Services/Learning.svc

So this begs the question:

• is /eLearning really defined as a virtual directory?
• is there a /Services subdirectory below your virtual directory?
• is the name of the *.svc file correct?
• where is the actual service code located? Do you have an assembly with the service implementation, and is it located in a place that is accessible to the *.svc file? (it’s directory, a .\bin subdirectory)? Or is the code in a App_Code directory? Where is this directory??

UPDATE:

I’m a bit confused about your setup….. you say /eLearning/Services is an application – a virtual application defined in IIS, right?

In your Learning.svc file, you define a code-behind file of Learning.svc.cs – so does your service code exist there? (because in another statement, you mention a .\bin directory under /eLearning – is your service compiled into an assembly that’s deployed to that bin directory??)