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REST Services wizards (from Pattern and Stub one) requires presence of web.xml in project otherwise templates are not shown. It also happened to me that generated WS did not work because ServletAdaptor was not registered in web.xml (I would assume wizard to check that and fix that if necessary).
What project type do you mean ? In Java EE 6 web project web.xml isn't needed for REST services. @ApplicationPath annotation replaces web.xml entries.
It was one of my older notes but re-testing it on latest build it works fine. Sorry for false report.