I created a soapui project with a mock service. I generated an WAR file and deployed it on a tomcat server. Endpoint is http://xx.xx.xx.xx:8080/mock1. I can succesfully with soapui send requests and get the answers too.
I created a second SoapUI-projekt with a second mock service (other WSDL file), generated the war file and deploy it on the tomcat server too. Endpoint is http://xx.xx.xx.xx:8080/mock2. When I send a request on this endpoint I received the webui HTML code as a response: