Vista - Defining WCF Fault Messages with a Message Contract

I've got a WCF application, and i'm trying to get the WSDL just right.

In my contract, I specify a Fault Contract:

[OperationContract]
[FaultContract(typeof(ValidationFault), Name = "ValidationFault")]
Response DoSomething(Request input);

This ValidationFault class is decorated with the standard data contract
attributes. Everything works great, except the WSDL that's generated has
names in it that I can't explicitly set.

<wsdl:fault wsaw:Action="..." name="..."
message="tns:BackgroundCheck_CheckOrderStatus_UnknownIdentifierFault_FaultMessage"
/>

I want to explicity set the message type, so that it's not left as that
ungainly name. This WSDL is going to be with me for a long time to come, and
if I can get it exactly right now, everything will be easier.

I tried creating a MessageContract, and passing that type into the
FaultContractAttribute, but that generates an ugly serialization exception.

Any suggestions of how to explicitly create the FaultMessages?

I'm using Beta2 of Orcas.

(I'm trying hard not to manually write the WSDL file, or to even need to
override the WSDL generation. I would like to do this with as little custom
WCF code as I can...)

--
Chris Mullins

Chris,

Best is to create a Behavior and create the FaultDescription yourself
associating it to every operation available. That way you can control
exactly what is generated (and not automatically concatenated) to the action
and namespace of the fault.

Tiago Halm

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