WCF – My “Duh!” moment of the week

In preparation for my 70-569 exam, I have been following the Learning Plan for WCF found here
The first step was this webcast found here

I attempted to build a Hello-WCF solution based on what as presented in the webcast and I <thought> I ran into Vista problems.  I set my endpoint like this in the Hosting Service:

serviceHost.AddServiceEndpoint(typeof(IPersonFactory), new NetTcpBinding(), "net.tcp://localhost:9000/PersonFactory");

And I set a reference to that endpoint in the client like this:

IPersonFactory proxy = ChannelFactory<IPersonFactory>.CreateChannel(new

      NetTcpBinding(),new

EndpointAddress("net.tcp://localhost:9000/PersonFactory"));

 

Console.WriteLine(proxy.Echo("Hello World"));

 

I got the following message:


No connection could be made because the target machine actively refused it 127.0.0.1:9000

I tried running VS2008 as an administrator but I got the same message.  I then opened the port in Windows Firewall and then disabling the firewall completely.

I then posted to the MSDN forums here

 

Turns out I was barking up the wrong tree.  By using the “Using” statement, I was closing the port before attempting to have the client make the call.  I quess I was too quick to blame Vista…

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