Error
SRVE0255E: A WebGroup/Virtual Host to handle has not been defined upon accessing the application or application component. Problem could be while accessing the url in browser or hitting the web service.
Possible Causes
1. Incorrect End Point
2. Application / Service not started correctly
3. Application not published correctly.
4. Context root is not correct.
5. Incorrect Application / Virtual Host Mapping
Resolution
1. Make sure you are hitting the correct endpoint / url and context root ( web.xml ). Make sure that the application is listening to the port , you have specified in url.
2. Restart the application and see if it started correctly and there are no errors.
3. Publish the application again and see if it publishes successfully.
4. Make sure that the application / application modules are mapped to correct virtual host.