When I try to invoke a GetData contract using wcf rest in wcf test

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Asked: May 31, 20262026-05-31T20:07:07+00:00 2026-05-31T20:07:07+00:00

When I try to invoke a GetData contract using wcf rest in wcf test

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When I try to invoke a GetData contract using wcf rest in wcf test client mode I get this message:

The Address property on ChannelFactory.Endpoint was null.  The ChannelFactory's Endpoint must have a valid Address specified.
   at System.ServiceModel.ChannelFactory.CreateEndpointAddress(ServiceEndpoint endpoint)
   at System.ServiceModel.ChannelFactory`1.CreateChannel()
   at System.ServiceModel.ClientBase`1.CreateChannel()
   at System.ServiceModel.ClientBase`1.CreateChannelInternal()
   at System.ServiceModel.ClientBase`1.get_Channel()
   at Service1Client.GetData(String value)

This is the config file for the host:

  <system.serviceModel>
    <services>
      <service name="WcfService1.Service1" behaviorConfiguration="WcfService1.Service1Behavior">
        <!-- Service Endpoints -->
        <endpoint address="http://localhost:26535/Service1.svc" binding="webHttpBinding" contract="WcfService1.IService1" behaviorConfiguration="webHttp" >
          <!-- 
              Upon deployment, the following identity element should be removed or replaced to reflect the 
              identity under which the deployed service runs.  If removed, WCF will infer an appropriate identity 
              automatically.
          -->
          <identity>
            <dns value="localhost"/>
          </identity>
        </endpoint>
        <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/>
      </service>
    </services>
    <behaviors>
      <serviceBehaviors>
        <behavior name="WcfService1.Service1Behavior">
          <!-- To avoid disclosing metadata information, set the value below to false and remove the metadata endpoint above before deployment -->
          <serviceMetadata httpGetEnabled="true"/>
          <!-- To receive exception details in faults for debugging purposes, set the value below to true.  Set to false before deployment to avoid disclosing exception information -->
          <serviceDebug includeExceptionDetailInFaults="false"/>
        </behavior>
      </serviceBehaviors>
      <endpointBehaviors>
        <behavior name="webHttp">
          <webHttp/>
        </behavior>
      </endpointBehaviors>
    </behaviors>

    </system.serviceModel>

</configuration>

Code:

[ServiceContract(Namespace = "")]
public interface IService1
{
    //[WebInvoke(Method = "POST", UriTemplate = "Data?value={value}")]

    [OperationContract]
    [WebGet(UriTemplate = "/{value}")]
    string GetData(string value);

    [OperationContract]
    CompositeType GetDataUsingDataContract(CompositeType composite);

    // TODO: Add your service operations here
}

public class Service1 : IService1
{
    public string GetData(string value)
    {
        return string.Format("You entered: {0}", value);
    }