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Subject: NEW ISSUE: JAX-WS annotations imply a WSDL based binding (binding.ws)

TARGET: SCA POJO spec cd01-rev2+issue184 resolution


ISSUE-184 [1] was recently resolved by adding a mapping of how JAX-WS annotations affected the introspected componentType of a Java component. There is an additional aspect of that mapping which was not addressed, and that's the question of whether or not some or all of the annotations imply a WSDL based SCA binding (i.e. binding.ws).

Recall that ISSUE-184 addressed cases where the SOAP intent is added to the introspected componentType. The Policy FW does not allow a component to override this intent, so while that will force a binding choice that provides SOAP messages, it does not force the transport over which the SOAP messages flow. So, are there JAX-WS annotations which require or presume the use of a SOAP/HTTP transport? I think there are.

The @BindingType annotation specifies the WSDL binding that a service implementation wants to use. The even more interesting part is that in the absence of this annotation (e.g. there's only an @WebService or @WebServiceProvider annotation in the class) then the default is SOAP1.1/HTTP transport.


I'll note that introspecting a <binding.ws/> into the componentType DOES NOT prevent a component above it from changing to a different binding (as long as the SOAP intent is obeyed). Configurability is good, but at least we'd have the right default behavior.

A question we have to ask: does this mean we ALWAYS have to introspect a SOAP intent into the componentType when there's @WebService or @WebServiceProvider? The ISSUE-184 resolution doesn't quite do this.

[1] http://www.osoa.org/jira/browse/JAVA-184

Dave Booz
STSM, BPM and SCA Architecture
Co-Chair OASIS SCA-Policy TC and SCA-J TC
"Distributed objects first, then world hunger"
Poughkeepsie, NY (845)-435-6093 or 8-295-6093

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