0

I am currently dipping my toes into developing .net applications for/on windows Azure. I have followed some tutorials to set up a relay for a local service to be hosted on Azure. This seems to be working.

However, when I go to test it with a client, I can not download the metadata. I get the following error:

The URI prefix is not recognized. Configuration binding extension 'system.serviceModel/bindings/netTcpRelayBinding' could not be found. Verify that this binding extension is properly registered in system.serviceModel/extensions/bindingExtensions and that it is spelled correctly. If the service is defined in the current solution, try building the solution and adding the service reference again.

It seems older versions of the appfabric sdk wrote extentions into machine.config but the newer versions do not, and you have to add it to your app.config. Or you can use nugget to install the windowsazure.servicebus package and it writes the extentions for you. I have done so, so the app.config does contain system.serviceModel/extensions/bindingExtensions/netTcpRelayBinding

Here is my app.config

<?xml version="1.0" encoding="utf-8"?>
<configuration>
    <startup>
      <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
    </startup>
    <system.serviceModel>
    <extensions>
          <!-- In this extension section we are introducing all known service bus extensions. User can remove the ones they don't need. -->
      <behaviorExtensions>
        <add name="connectionStatusBehavior" type="Microsoft.ServiceBus.Configuration.ConnectionStatusElement, Microsoft.ServiceBus, Version=1.8.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
        <add name="transportClientEndpointBehavior" type="Microsoft.ServiceBus.Configuration.TransportClientEndpointBehaviorElement, Microsoft.ServiceBus, Version=1.8.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
        <add name="serviceRegistrySettings" type="Microsoft.ServiceBus.Configuration.ServiceRegistrySettingsElement, Microsoft.ServiceBus, Version=1.8.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
      </behaviorExtensions>
      <bindingElementExtensions>
        <add name="netMessagingTransport" type="Microsoft.ServiceBus.Messaging.Configuration.NetMessagingTransportExtensionElement, Microsoft.ServiceBus, Version=1.8.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
        <add name="tcpRelayTransport" type="Microsoft.ServiceBus.Configuration.TcpRelayTransportElement, Microsoft.ServiceBus, Version=1.8.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
        <add name="httpRelayTransport" type="Microsoft.ServiceBus.Configuration.HttpRelayTransportElement, Microsoft.ServiceBus, Version=1.8.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
        <add name="httpsRelayTransport" type="Microsoft.ServiceBus.Configuration.HttpsRelayTransportElement, Microsoft.ServiceBus, Version=1.8.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
        <add name="onewayRelayTransport" type="Microsoft.ServiceBus.Configuration.RelayedOnewayTransportElement, Microsoft.ServiceBus, Version=1.8.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
      </bindingElementExtensions>
      <bindingExtensions>
        <add name="basicHttpRelayBinding" type="Microsoft.ServiceBus.Configuration.BasicHttpRelayBindingCollectionElement, Microsoft.ServiceBus, Version=1.8.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
        <add name="webHttpRelayBinding" type="Microsoft.ServiceBus.Configuration.WebHttpRelayBindingCollectionElement, Microsoft.ServiceBus, Version=1.8.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
        <add name="ws2007HttpRelayBinding" type="Microsoft.ServiceBus.Configuration.WS2007HttpRelayBindingCollectionElement, Microsoft.ServiceBus, Version=1.8.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
        <add name="netTcpRelayBinding" type="Microsoft.ServiceBus.Configuration.NetTcpRelayBindingCollectionElement, Microsoft.ServiceBus, Version=1.8.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
        <add name="netOnewayRelayBinding" type="Microsoft.ServiceBus.Configuration.NetOnewayRelayBindingCollectionElement, Microsoft.ServiceBus, Version=1.8.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
        <add name="netEventRelayBinding" type="Microsoft.ServiceBus.Configuration.NetEventRelayBindingCollectionElement, Microsoft.ServiceBus, Version=1.8.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
        <add name="netMessagingBinding" type="Microsoft.ServiceBus.Messaging.Configuration.NetMessagingBindingCollectionElement, Microsoft.ServiceBus, Version=1.8.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
      </bindingExtensions>
    </extensions>
    <client>
      <endpoint address="" binding="netTcpRelayBinding" contract="IMetadataExchange" name="sb"/>
    </client>
  </system.serviceModel>
  <appSettings>
    <!-- Service Bus specific app setings for messaging connections -->
    <add key="Microsoft.ServiceBus.ConnectionString" value="Endpoint=sb://[your namespace].servicebus.windows.net;SharedSecretIssuer=owner;SharedSecretValue=[your secret]" />
  </appSettings>
</configuration>

I have been banging my head against the wall for a while, trying to figure out what might be wrong. A good day and a half of nothing but googling. I have tried editing machine.config instead, I have tried lots of different things. So far nothing is working. Any idea what the problem may be?

debergalis
  • 11,870
  • 2
  • 49
  • 43
Anthony Lisowski
  • 11
  • 4

2 Answers2

1

Make sure you reference Microsoft.ServiceBus assembly in you project where NetTcpRelayBinding class is defined.

HANiS
  • 530
  • 5
  • 9
0

you need to add a binding named something like MYnetTcpRelayBinding:

<bindings>
  <netTcpRelayBinding>
    <binding name="netTcpRelayBinding" ....

and change your endpoint to use that binding:

<client>
      <endpoint address="" binding="MYnetTcpRelayBinding" ...
viperguynaz
  • 12,044
  • 4
  • 30
  • 41