Only an absolute URI can be used as the base address

Question

Please help get an exception in using (ServiceHost host = new ServiceHost(typeof(HelloService.HelloService))) in the code below

Exception: only an absolute URI can be used as the base address

WCF host application

  class Program { static void Main() { using (ServiceHost host = new ServiceHost(typeof(HelloService.HelloService))) { host.Open(); Console.WriteLine("Service Started"); Console.ReadLine(); } } } 

Contract implementation

  public class HelloService : IHelloService { public string GetMessage(string Name) { return "Hello" + Name; } } 

Contract

 [ServiceContract] public interface IHelloService { [OperationContract] string GetMessage(string Name); } 

App.Config

 <?xml version="1.0" encoding="utf-8" ?> <configuration> <system.serviceModel> <services> <service name="HelloService.HelloService" behaviorConfiguration="mexBehaviour"> <endpoint address="HelloService" binding="basicHttpBinding" contract="HelloService.IHelloService"> </endpoint> <endpoint address="HelloService" binding="netTcpBinding" contract="HelloService.IHelloService"> </endpoint> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"> </endpoint> <host> <baseAddresses> <add baseAddress="http://localhost:8080/HelloService"/> <add baseAddress="net.tcp//localhost:8090/HelloService"/> </baseAddresses> </host> </service> </services> <behaviors> <serviceBehaviors> <behavior name="mexBehaviour"> <serviceMetadata httpGetEnabled="true"/> </behavior> </serviceBehaviors> </behaviors> </system.serviceModel> </configuration> 

Answer 1

I believe you are missing a colon ( : :

 <add baseAddress="net.tcp//localhost:8090/HelloService"/> 

it should be

 <add baseAddress="net.tcp://localhost:8090/HelloService"/> 

Answer 2

 <endpoint address="HelloService"... 

Must be

 <endpoint address="/HelloService"... 

See https://msdn.microsoft.com/en-us/library/ms733749(v=vs.110).aspx