ClientProtocolException since 4.5.1 upgrade.
Exception occuring when calling securised Web Service. Works fine in 4.5.0. SOAP UI Log Mon Jul 09 12:50:07 CEST 2012:INFO:nlbnetprd.cid.dom:80 requires authentication with the realm 'UserDataWe...
Forum Discussion
For a temporary workaround in 4.5.1 you can set the headers in the request before sending it. That seems to have solved it for me.