Steps to reproduce problem: - click Menu File, new project - insert in the field "initial WSDL/WADL" an address that contains underscore (something like my_server.domain.org) If you use the ip ad...
Have you try to switch to SoapUI perspective and add the wsdl from there? I've got the same problem on a Windows-7 64bits machinte, but adding the wsdl this way, it works.