Sorry, me being thick and scanning my wsdl too quickly. The only differences between the OAS WSDL and Glassfish is
a) the schemas are actually embedded in the OAS wsdl whereas with Glassfish they are not (but I can see them via schemagen)
b) the Glassfish default is to use minOccurs="0" rather than the OAS default of nillable="true" which when a .net proxy is generated, gives different code. I guess I could use JAXB explicitly to to force the nillable="true" attribute onto the schema.
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