Having more than one service element in a wsdl file throws a "Unsupported Number of Service Elements in WSDL" error. This issue is discusssed in
http://www.jboss.org/index.html?module=bb&op=viewtopic&t=58631

According to the WSDL Specs, there could be multiple services in a wsdl file and the name attributes of the Service Elements have to be unique.