Consuming External WCF services in AX7

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Posted on by Shashichandra K

For Dynamics AX To Talk to one of product in our product suite, to keep the data in sync within our product ecosystem, We are making use of a Service Reference added to the Project and trying to get authorization token back from external system (SIS) and trying to push some data.

Here we are using the below Integration Service

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And we are trying to generate the in message assign values against each contracts and pushing it to external system(SIS).

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And we are getting back the error message “object reference not set to an instance of object”

While we see the WCF trace as well we get the same message.

While checking on the system in which we are trying to push data, in event viewer we are getting the below error specifies about the contract filter mismatch

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We tried to push the same data using WCF Storm and its getting inserted properly.

Even on a console Application we create a new Service reference and Try calling the service using a C# project it works fine. Only when we call from Dynamics AX its giving a ContractFilterMissMatch error.

Any help would be Helpful.

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Martin Dráb 237,896 Most Valuable Professional on at

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Can you show us your complete code, please? Don't forget that we know nothing about the context where you use your code snippet.

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Shashichandra K on at

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var binding = new System.ServiceModel.WSHttpBinding();

endpointAddress = new System.ServiceModel.EndpointAddress(serviceAddress);

sisAXIntegrationServiceClient = new CMCSISIntegration.ServiceReference.SISDynamicsAXService.DynamicsAxServiceClient(binding, endpointAddress);

fundSource = CMCFundSource::find(_cmcINTGFundSource.FundSourceCode, true);

addUpdateFundSourceInMsg = new CMCSISIntegration.ServiceReference.SISDynamicsAXService.AddUpdateFundSourceInMsg();

addUpdateFundSourceInMsg.set_Code(_cmcINTGFundSource.FundSourceCode);

addUpdateFundSourceInMsg.set_Description(fundSource.Description);

addUpdateFundSourceInMsg.set_TypeCode(CMCFundSourceType::findByRecId(fundSource.FundSourceType).FundSourceTypeCode);

addUpdateFundSourceInMsg.set_Active(_cmcINTGFundSource.IsActive);

addUpdateFundSourceInMsg.set_IncludeRemainNeed(true);

addUpdateFundSourceInMsg.set_GraceDays(0);

addUpdateFundSourceInMsgs = new CMCSISIntegration.ServiceReference.SISDynamicsAXService.AddUpdateFundSourceInMsg[1]();

addUpdateFundSourceInMsgs.SetValue(addUpdateFundSourceInMsg, 0);

addUpdateFundSourceRequest = new CMCSISIntegration.ServiceReference.SISDynamicsAXService.AddUpdateFundSourceRequest();

addUpdateFundSourceRequest.set_TokenId(tokenId);

addUpdateFundSourceRequest.set_AddUpdateFundSourceInMsgs(addUpdateFundSourceInMsgs);

addUpdateFundSourceResponse = sisAXIntegrationServiceClient.AddUpdateFundSource(addUpdateFundSourceRequest);

Please find the code Above... to give you a small insignt,

we have created a new serviceClient "sisAXIntegrationServiceClient" which is our Wcf Service hosted on another Server using a wshttpbinding.

The below is the method we are calling from the service after filling in the inmesage and data contract details..

addUpdateFundSourceResponse = sisAXIntegrationServiceClient.AddUpdateFundSource(addUpdateFundSourceRequest);

Just to give a note here, we are consuming Soap Service and WCF service, this issue is happening only for WCF service, Soap Service is working fine.

Let me know if you need more details....

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AnoopNair 85 on at

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You need to set the Security mode to None

var binding = new System.ServiceModel.WSHttpBinding(System.ServiceModel.SecurityMode::None);

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