Service Reference Error: Failed to generate code for the service reference
I have a Windows Service Solution and am trying to add a service reference to a Hermes(Opensource ebms message server) Web Service in VS2010.
I can find the Web Service using it's URL, but when I try and populate the Service reference I get the following errors in Visual Studio:
Error 8 Custom tool error: Failed to generate code for the service reference 'testService'. Please check other error and warning messages for details. C:UsersAdmindocumentsvisual studio 2010ProjectsMyProjectMyProject.MessageHandlerService ReferencestestServiceReference.svcmap 1 1 MyProject.MessageHandler
Warning 6 Custom tool warning: Cannot import wsdl:binding
Detail: There was an error importing a wsdl:portType that the wsdl:binding is dependent on.
XPath to wsdl:portType: //wsdl:definitions[@targetNamespace='http://service.ebms.edi.cecid.hku.hk/']/wsdl:portType[@name='EbmsStatusQuery']
XPath to Error Source: //wsdl:definitions[@targetNamespace='http://service.ebms.edi.cecid.hku.hk/']/wsdl:binding[@name='EbmsSoapHttpStatusQuery'] C:UsersAdmindocumentsvisual studio 2010ProjectsMyProjectMyProject.MessageHandlerService ReferencestestServiceReference.svcmap 1 1 MyProject.MessageHandler
Warning 7 Custom tool warning: Cannot import wsdl:port
Detail: There was an error importing a wsdl:binding that the wsdl:port is dependent on.
XPath to wsdl:binding: //wsdl:definitions[@targetNamespace='http://service.ebms.edi.cecid.hku.hk/']/wsdl:binding[@name='EbmsSoapHttpStatusQuery']
XPath to Error Source: //wsdl:definitions[@targetNamespace='http://service.ebms.edi.cecid.hku.hk/']/wsdl:service[@name='EbmsMessageStatusQuery']/wsdl:port[@name='EbmsStatusQuery'] C:UsersAdmindocumentsvisual studio 2010ProjectsMyProjectMyProject.MessageHandlerService ReferencestestServiceReference.svcmap 1 1 MyProject.MessageHandler
Warning 5 Custom tool warning: Cannot import wsdl:portType
Detail: An exception was thrown while running a WSDL import extension: System.ServiceModel.Description.XmlSerializerMessageContractImporter
Error: Schema with target namespace 'http://service.ebms.edi.cecid.hku.hk/' could not be found.
XPath to Error Source: //wsdl:definitions[@targetNamespace='http://service.ebms.edi.cecid.hku.hk/']/wsdl:portType[@name='EbmsStatusQuery'] C:UsersAdmindocumentsvisual studio 2010ProjectsMyProjectMyProject.MessageHandlerService ReferencestestServiceReference.svcmap 1 1 MyProject.MessageHandler
Some investigation seemed to suggest it is due to svcutil.exe not been able to build the proxys due to not having permissions to a directory (possibly c:windowstemp). I have tried assigning various access permissions, but I am not really sure which user needs the permission, or if it is just a red herring.
Any ideas would be greatly appreciated.
Thanks
Have to uncheck the Reuse types in all referenced assemblies from Configure service reference option
Check this for details
Right click on your service reference and choose Configure Service Reference...
Then uncheck Reuse types in referenced assemblies
Click OK , clean and rebuild your solution.
I also encountered a similar error when trying to generate the client for a web service from an ASP .Net MVC 4.0 project using Visual Studio 2012.
The root of the problem seems to be that fact that the project from where I was trying to generate the client was referencing an assembly which in turn was dependent on another assembly that was not being referenced as well.
When "Reuse types in referenced assemblies" is enabled in the service configuration, the service generator is probably inspecting all the referenced assemblies to get a list of types that can be reused. The fact that one of the referenced assemblies is referencing another assembly which is not available is probably causing the generator to fail.
Unchecking "Reuse types in referenced assemblies" from the service configurations will solve the above problem , but there is a side effect to it. The reuse types option is there for a reason and in some cases it avoids unnecessary casting in the code consuming the service.
For example, if the service itself is built using WCF and some methods parameters inside it are of type System.Guid, they will be translated to strings in the generated client if the reuse types option is disabled.
An alternative that I prefer to disabling reusing types is to add the service reference from Class Library project specifically created for that purpose. The one thing to keep in mind is to copy all the service related configurations from the class library's app.config to the configuration file of the startup project.
If there are types defined in local assemblies that need to be reused in the service client, those assemblies simply need to be referenced from the above mentioned class library project, along with all their dependencies.
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