Are you trying to connect java process remotely? Please insure your are using the right port in which JMX connections is enable.
You can verify it with command ps-ef | grep java | grep jmx in the server where java is running (assuming unix os)
If you need help I will help you to connect with profiler as well as guide you to how to profile java application.
About my self:
Graduated from country's premium college National Institute of Technology(NIT) and having more than 9 year of experience in many world biggest MNC's like CSC, Orange business service, Kronos Solutions and worked with many Clients like UK government health system NHS and many other leaders in public and private domains.
As a Lead Performance Engineer I have very good knowledge of end to end performance engineering and monitoring.
Linkedin Profile: https :// in. linkedin. com/ in / ravindra-agrawal
Regards
Ravindra Agarwa