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When I right click on Eval.svc within Visual Studio 2012 and view in browser, I get the following -

The type 'EvalServiceLibary.Eval', provided as the Service attribute value in the ServiceHost directive, or provided in the configuration element system.serviceModel/serviceHostingEnvironment/serviceActivations could not be found.

When I run the WCF service from the test client, all works fine.

Eval service:

[ServiceBehavior(InstanceContextMode = InstanceContextMode.Single)]
public class EvalService : IEvalService

 Dictionary<string, JobPhaseTimer> jobTimers = new Dictionary<string, JobPhaseTimer>();

 public void SubmitEntry(ENBO.Jobs.Job job, ENBO.Jobs.JobDetail jobDetail, ENBO.TimeLogs.TimeLog timeLog, ENBO.Users.User user, ENBO.Utilities.EntryType entryType, JobPhase jobPhase)
 
 if (entryType == EntryType.Active)
 
 JobPhaseTimer timer = new JobPhaseTimer();
 timer.UID = job.ID + "_" + jobPhase.ID;
 timer.JobID = job.ID;
 timer.JobDetailID = jobDetail.ID;
 timer.PhaseID = jobPhase.ID;
 timer.StartTime = DateTime.Now;
 timer.Stopwatch.Start();
 jobTimers.Add(timer.UID, timer);

 TimeLog log = new TimeLog();
 log.JobID = job.ID;
 log.PhaseID = jobPhase.ID;
 log.UserID = user.ID;
 log.DateEntry = DateTime.Now;
 log.EntryType = EntryType.Active;

 if (log.AddNewTimeLog())
 
 //Do something
 
 
 else if (entryType == EntryType.Paused)
 
 JobPhaseTimer timer = jobTimers[job.ID + "_" + jobPhase.ID];
 timer.Stopwatch.Stop();

 TimeLog log = new TimeLog();
 log.JobID = job.ID;
 log.PhaseID = jobPhase.ID;
 log.UserID = user.ID;
 log.DateEntry = DateTime.Now;
 log.EntryType = EntryType.Paused;

 if (log.AddNewTimeLog())
 
 //Do something
 
 
 

IEvalService.cs (Service Contract)

[ServiceContract]
public interface IEvalService

 [OperationContract]
 void SubmitEntry(Job job, JobDetail jobDetail, TimeLog timeLog, User user, EntryType entryType, JobPhase jobPhase);

Eval.svc markup :

<%@ ServiceHost Language="C#" Debug="true" Service="EvalServiceLibary.Eval" %>

Web.config :

<?xml version="1.0"?>
<configuration>

 <appSettings>
 <add key="aspnet:UseTaskFriendlySynchronizationContext" value="true" />
 </appSettings>
 <system.web>
 <compilation debug="true" targetFramework="4.5" />
 <httpRuntime targetFramework="4.5"/>
 </system.web>
 <system.serviceModel>
 <services>
 <service name="EvalServiceLibary.EvalService">
 <endpoint address="" behaviorConfiguration="" binding="webHttpBinding"
 contract="EvalServiceLibary.IEvalService" />
 <endpoint address="" binding="basicHttpBinding" bindingConfiguration=""
 contract="EvalServiceLibary.IEvalService" />
 </service>
 </services>
 <behaviors>
 <endpointBehaviors>
 <behavior name="EvalServiceSite.EvalAspNetAjaxBehavior">
 <enableWebScript />
 </behavior>
 </endpointBehaviors>
 <serviceBehaviors>
 <behavior name="">
 <serviceMetadata httpGetEnabled="true" httpsGetEnabled="true" />
 <serviceDebug includeExceptionDetailInFaults="false" />
 </behavior>
 </serviceBehaviors>
 </behaviors>
 <protocolMapping>
 <add binding="basicHttpsBinding" scheme="https" />
 </protocolMapping> 
 <serviceHostingEnvironment aspNetCompatibilityEnabled="true"
 multipleSiteBindingsEnabled="true" />
 </system.serviceModel>
 <system.webServer>
 <modules runAllManagedModulesForAllRequests="true"/>
 <directoryBrowse enabled="true"/>
 </system.webServer>
</configuration>

Any ideas why I am getting this error? I have searched Google and come across a few pages but nothing seems to work.

Thanks!

Change the following line in your Eval.svc file from:

<%@ ServiceHost Language="C#" Debug="true" Service="EvalServiceLibary.Eval" %> 

to:

<%@ ServiceHost Language="C#" Debug="true" Service="EvalServiceLibary.EvalService" %>

Ensure that binary files are under "bin" subdirectory of your ".svc" file

Faced this exact issue. The problem resolved when i changed the Service="Namespace.ServiceName" tag in the Markup (right click xxxx.svc and select View Markup in visual studio) to match the namespace i used for my xxxx.svc.cs file

Turns out that the Eval.svc.cs needed its namespace changed to EvalServiceLibary, rather than EvalServiceSite.