Use "add generated items" error – WCF Service Consuming Wizard

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    • August 18, 2010 at 6:47 AM #25668
      community-content

        Hi.

        I try to consume a web service within a new biztalk project. I clicked on “add generated items” and chose “Consume WCF Service”. After this I chose “Metadata Exchange (MEX) endpoint and set the right Metadata Address including the “?wsdl”. When I push the “Get”_Button everything is fine so far.

        In the next window I see the right namespace but if I click “import”, to generate the bindings, the orchestration and the schemas, I got an error message:

        “Error consuming WCF service metadata. Object reference no set to an instance of an object.”

        Any ideas wht could cause this issue?

        Thanks in advance.

        Wolfgang

      • August 18, 2010 at 9:25 AM #25670
        community-content

          Hi Wolfgang,

           

             Check your <xsd:schema> nodes in the WSDL file of your WCF service and make sure that the attribute targetNamespace is defined for them.

           

             Best,

           

             Daniel.

           

        • August 18, 2010 at 12:21 PM #25673
          community-content

            Hi,

            1. I would check at first – if I can consume that WCF from regular code (Console Application is easiest).

            2. If good – than something is wrong with generating objects in BizTalk.

            3. Try not consuming mex, but the second option (the upper radio button – don”t recall it’s name). If good – this would generate schemas + bindings for you.

            If you get error on the beginning, even trying to consume from console application – something is wrong in your WCF., Else – something wrong in your BTS.

            Is WCF written? Or it’s some kind of published orchestration/schema?

            If written – check that your methods and all stuff you need access to, is public.

            🙂

            • August 19, 2010 at 8:26 AM #25685
              community-content

                Hi.

                Thanks a lot for your answers and tips. At least it was the missing targetNamespace in the received xml. I called the Service directly on the server everything works fine, than I checked the ?WSDL and I saw the missing tragetNamespace.

                So, thanks again for your help.

                Wolfgang

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