I run into JDeveloper 18.104.22.168 the tutorial from here Oracle JDeveloper 11g Release 2 Tutorials - Building Mobile Applications with Oracle ADF Mobile
I deployed my mobile app both to simulator and to a real device . I press the button for invoking the ws .
The sample web service is running ( I can see the wsdl http://192.168.10.188:7101/SampleWS/ServicePort?WSDL)
I got errors on both real device and simulator
In the first case --I get Cannot connect to 192.168.10.188 on port 7101 : java.net.ConnectException:Connection refused
In the second case I get "HTTP status code 500 Internal Server Error . The server encountered an unexpected condition ...."