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WorkflowServiceHost ContractFilter mismatch

Posted By:      Posted Date: October 04, 2010    Points: 0   Category :Windows Application

I have an issue trying to host a WorkFlow Service loaded from XAMLX from a Database. When I try to call one of its Operations I get this exception:

The message with Action 'http://tempuri.org/ISubmitService/Start' cannot be processed at the receiver, due to a ContractFilter mismatch at the EndpointDispatcher. This may be because of either a contract mismatch (mismatched Actions between sender and receiver) or a binding/security mismatch between the sender and the receiver.  Check that sender and receiver have the same contract and the same binding (including security requirements, e.g. Message, Transport, None).


  Here is code similar to what I’m trying to run:


using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.ServiceModel;
using System.Xml;
using System.Xml.Linq;
using System.IO;
using InsTech.EverGreen.Acord;
using System.ServiceModel.Activitie

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