This seems to be the same issue: Rules refuse to load at startup due to jars in addons folder · Issue #3676 · openhab/openhab-core · GitHub, we should continue the discussion there. Do you have add-ons in the add-ons folder?
This seems to be the same issue: Rules refuse to load at startup due to jars in addons folder · Issue #3676 · openhab/openhab-core · GitHub, we should continue the discussion there. Do you have add-ons in the add-ons folder?