WCF Exception : The message with Action 'http://tempuri.org ' cannot be processed at the receiver, due to a ContractFilter mismatch at the EndpointDispatcher

WCF Exception: The message with Action 'http://tempuri.org/IProduct/GetProduct ' 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)

There would be many reason for this exception and it can be :

·         Requested Method ‘GetProduct’ signature has been changed.

·         Requested Method ‘GetProduct’ has been deleted from WCF server.

·         Existing Binding Information has been modified or delete.

·         Binding security setting are not consistent between client and server

To resolve this contract mismatch issue, recreate or refresh the wcf client proxy, most proabaly this issue will be resolved.

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