current OperationContext is null in WCF Windows Service

Question

I am trying to set up a Publish/Subscribe system using WCF and where the WCF server is in a Windows service. The binding is net.TCP. The service is providing a \"Subscribe

Answer 1

I had a similar issue: in my case when the InstanceContextMode was set to Single the WebOperationContext.Current was null in the constructor. However it was available within the services/classes methods.