Error: Cannot obtain Metadata from WCF service

Question

I have a successfully running WCF service that I can call using javascript. However I want to invoke it using the WCF test client and im having difficulty doing this. I am told that I need to make sure I have enabled meta data publishing at the specified address. After reading the documentation I just cant see what im meant to do this is my configuration:

    <system.serviceModel>
       <services>
           <service name="CommentSessionIDWCFService" 
                    behaviorConfiguration="CommentSessionIDBehavior">
              <endpoint 
                  address="" 
                  behaviorConfiguration="CountryProvinceBehavior"
                  binding="webHttpBinding" 
                  contract="ICommentSessionIDWCFService" />
           </service>
       </services>
       <behaviors>
          <serviceBehaviors>
             <behavior name="CommentSessionIDBehavior">
                <serviceMetadata httpGetEnabled="true"/>
                <serviceDebug includeExceptionDetailInFaults="true"/>
             </behavior>
          </serviceBehaviors>
          <endpointBehaviors>
              <behavior name="CountryProvinceBehavior">
                  <webHttp/>
              </behavior>
          </endpointBehaviors>
       </behaviors>
    </system.serviceModel>

I've read other posts but I can't see what to populate and I just keep getting errors. Q's..

Am I right in saying that I need to configure a complete new service in my config to show the metadata?
What do I add to the configuration to make this meta data published so I can invoke with the client?

thanks for editing mark how did you neaten it? The tab button doesnt work for me... — Exitos
– Exitos, Commented May 19, 2011 at 11:33

Callie J · Accepted Answer · 2013-10-10 11:03:44Z

51

You need a metadata endpoint for your service, here`s an example.

<services>
    <service name="MyService" behaviorConfiguration="MEX">
    <endpoint
        address="http://localhost:8000/MEX"
        binding="mexHttpBinding"
        contract="IMetadataExchange"
    />
    </service>
</services>

<behaviors>
    <serviceBehaviors>
        <behavior name="MEX">
            <serviceMetadata/>
        </behavior>
    </serviceBehaviors>
</behaviors>

edited Oct 10, 2013 at 11:03

Callie J

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answered May 19, 2011 at 9:20

Menahem

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6 Comments

Exitos Over a year ago

is this all I need to do? What does localhost:8000/MEX physically point to?

Menahem Over a year ago

it adds a endpoint on the server that listens on port 8000 for metadata requests based on the IMetadataExchange contract. it responds with the data needed to build a proxy to the service. VS uses this data when you do an 'add reference' operation.

Menahem Over a year ago

whomever down-voted this answer, please provide a reason for doing so.

Coding Duchess Over a year ago

mine as well (+1)

franz1 Over a year ago

@Menahem I have the same problem: where should I add the lines of codes you provided? In the app.config of my Proxy I have these: ' <client> <endpoint address="localhost/Service1.svc" binding="basicHttpBinding" bindingConfiguration="BasicHttpBinding_IService1" contract="ServiceReference1.IService1" name="BasicHttpBinding_IService1" /> ' Should I edit the contract value?

|

7gegenTheben · Accepted Answer · 2018-03-15 15:06:58Z

0

I had a similar problem after changing the config file in the TestClient with right click and "edit with svceditor" to increase my maxbuffersize. If someone did that mistake as well, try rebuilding your project.

answered Mar 15, 2018 at 15:06

7gegenTheben

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Comments

Vinay Bhardwaj · Accepted Answer · 2021-03-19 12:00:15Z

0

Add

[AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Required)]

answered Mar 19, 2021 at 12:00

Vinay Bhardwaj

1

Comments

SharpC · Accepted Answer · 2017-03-09 09:53:35Z

-1

Set httpGetEnabled to true and set the includeExceptionDetailInFaults to false:

<serviceMetadata httpGetEnabled="true"/>

<serviceDebug includeExceptionDetailInFaults="false"/>

edited Mar 9, 2017 at 9:53

SharpC

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answered Apr 30, 2015 at 1:26

rookie developer

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