I must prepare a webservice to accept anan already defined wsdl structure. I followed the tutorial found here, with source code for the test project downloadable here.
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Spring-WS automatic wsdl exposure feature is based on conventions described at http://docs.spring.io/spring-ws/site/reference/html/server.html#server-automatic-wsdl-exposure
The tutorial you use as a starting point is using annotations instead of namespace, but there should be a way to specify requestSuffix and responseSuffix properties mentioned in the documentation. However I am afraid that you can not keep them blank.
Alternatively you can expose manually written WSDL. I suggest to do that since you have wsdl given from the beginning.