frinklai

BTW I just found the problem is the if condition in below code is not true, but I still have no idea about why and how to solve it [internal_subscription.py...

@AndreasHeine @oroulet Got it, thanks very much for your test code and suggestions, I will try to using async opcua in my project.

@AndreasHeine Both client A and client B are a python script. I think maybe I need to use async opcua, rather than python-opcua, so that event can trigger immediately. Is...

Maybe you forgot to source the setup.bash of your project? Try to run following command $ cd ~/catkin_test $ source devel/setup.bash then run node again