The root cause is
The interface did not initialize correctly. The exact exception is in Tomcat logs in: Tomcat/logs/localhost.<today's date>.log. The most common reason for such an error is that KIM did not start. Another common issue is to have the RMI interface configured to open a non-standard port for listening.
Use this page - http://localhost:8080/KIM/screen/ConfigDetails.jsp - to determine where the Web UI expects to find KIM. Also make sure that the RMI configuration is correct.
|Valid for versions before KIM 3.5.|