soapui-java.lang.Exception Failed to load url

Step 1

File -> Preferences -> Proxy Settings set to None

Step 2

In my case the server were the service was installed was configured only for TLS. SSL was not allowed. So you have to update SoapUI vmoptions file by adding

-Dsoapui.https.protocols=TLSv1.2

You can find vmoptions file under SoapUI installation folder: C:Program Files (x86)SmartBearSoapUI-5.0.0insoapUI-5.0.0.vmoptions

OR change your server setting to allow SSL