java calling web service- No endpoint exception

Question

I am calling from java eclipse to a web service from asp.net. the address that i am calling ends with asmx: http ://mgn111:8011/MDP_InsuredDetails_WS/InsuredDetails.asmx

when I send the request to the method in this service I am getting this error in my log:

19/02/13 12:13:05 ERROR [xxxService]: ServiceProxy Update exception: 'No endpoint'

19/02/13 12:13:05 ERROR [xxxrvice]: ServiceProxy Update exception (toString): 'No endpoint

what is the problem?