When a JAX-WS SOAP service ignores all parameters (sends null) and only returns null-values, there is problem with JAXB-mappings and/or WSDL-settings.
If you see the payload (you have to activate the debug-setting:
-Dcom.sun.xml.ws.transport.http.client.HttpTransportPipe.dump=true), but always get a null-result, compare your WSDL with @WebMethod, @WebParam and @WebService annotations. You can also activate JAXB-output with
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