[SOLVED] Upgrade OH3.4.5 -> OH4.1 with jython rules

[HaKuNa (Remo M)]

Thanks @rlkoshak
A downgrade with restore openHAB & DB backup should not be a challenge, I did it a few times in the past.

Regarding the directory trigger, I found some hints:

openHAB 4.0 Milestone discussion

You could just remove the directory trigger code from jython

@juelicher Sorry for pinging you here, but I found a few threads regarding OH4 and jython.

openHAB 4.0 Milestone discussion

Today I updated to the OH4 Milestone. Regarding the Jython rules I had only a small issue in a file from the helper library: “AbstractWatchService” could not be imported in 100_DirectoryTrigger.py try: from org.openhab.core.service import AbstractWatchService except: from org.eclipse.smarthome.core.service import AbstractWatchService I tried to locate the AbstractWatchService in the openHAB sources, but it seems as if it as been removed, at least I could not find it. I will do some m…

Can you tell me something about your experience with OH4 and jython rules ?

I really do not want to stay too long on OH3.4.5 if possible.
Migrating my jython rules to JavaScript Scripting is underway, but depending on the spare time, it can take a few weeks/months.