Cannot obtain Metadata from http://localhost:12659 - wcf

Question

in my config my address details as follows net.tcp://127.0.0.1:1127/CalculatorService but when the error message is showing Cannot obtain Metadata from http://localhost:12659
i have simple service with tcp binding and i am running my service from VS2010 IDE with wcf test client and then i am getting this error Cannot obtain Metadata from http://localhost:12659
here is my config file details
<?xml version="1.0"?>
<!--Copyright (c) Microsoft Corporation. All Rights Reserved.-->
<configuration>
<system.serviceModel>
<services>
<service name="MyTcpActivation.CalculatorService" behaviorConfiguration="CalculatorServiceBehavior">
<host>
<baseAddresses>
<add baseAddress="net.tcp://127.0.0.1:1127/CalculatorService/"/>
</baseAddresses>
</host>
<endpoint address=""
binding="netTcpBinding" bindingConfiguration="PortSharingBinding"
contract="MyTcpActivation.ICalculator"/>
<endpoint address="mex"
binding="mexTcpBinding"
contract="IMetadataExchange"/>
</service>
</services>
<bindings>
<netTcpBinding>
<binding name="PortSharingBinding" portSharingEnabled="true">
<security mode="None"/>
</binding>
</netTcpBinding>
</bindings>
<!--For debugging purposes set the includeExceptionDetailInFaults attribute to true-->
<behaviors>
<serviceBehaviors>
<behavior name="CalculatorServiceBehavior">
<serviceMetadata httpGetEnabled="true" httpsGetEnabled="true"/>
<serviceDebug includeExceptionDetailInFaults="false"/>
</behavior>
</serviceBehaviors>
</behaviors>
</system.serviceModel>
<system.web>
<compilation debug="true"/></system.web>
</configuration>
please help me to run my service from wcf test client from VS2010 IDE. thanks

Answer 1

This suggests an activation problem on WCF. Metadata are not exposed when there is a problem in your service/config/env.
To get the error message try to open http://localhost:12659 in your browser and/or check event logs.
As it's a nettcpbinding, the config is a little more complex especially if your are hosting the service under IIS : check that WAS Service is started, Net Tcp Listener Service is Started, net.tcp is in Activated protocols for your web site, configured bindings conftoins ntc.tcp on port 1127 , ...). You may also try a basicHttpBinding first.
For debugging purposes set the includeExceptionDetailInFaults attribute to true
<behaviors>
<serviceBehaviors>
<behavior name="CalculatorServiceBehavior">
<serviceMetadata httpGetEnabled="true" httpsGetEnabled="true"/>
<serviceDebug includeExceptionDetailInFaults="true"/>
</behavior>
</serviceBehaviors>
</behaviors>