dwei98

Zerox1212: I need to run the code for a shift, like 8~9 hours. This code is only a test. I need to use subscription. Any suggestion? Many thanks in advance...

Hi Oroulet, Really? Then I really would like to know how you did it. The stack trace is as follows - ERROR:opcua.common.subscription:Exception calling data change handler Traceback (most recent call...

Oroulet, I did not have this issue when I run the same code when I moved this piece to main(). So I do not believe this is the issue.

Hi Oroulet, You are correct. It works now after I moved dbclient.write_points(point) out of datachange_notification. Thanks a lot