Tried to migrate from 2.5 to 3.0RC2
Installed Jython add-on
got this error at starup:
2020-12-20 11:12:24.563 [INFO ] [ab.core.service.AbstractWatchService] - Loading script '/etc/openhab/automation/jsr223/python/core/components/100_DirectoryTrigger.py'
2020-12-20 11:12:24.868 [ERROR] [ipt.internal.ScriptEngineManagerImpl] - Error during evaluation ofscript 'file:/etc/openhab/automation/jsr223/python/core/components/100_DirectoryTrigger.py': java.lang.NullPointerException: java.lang.NullPointerException in <script> at line number 6
2020-12-20 11:12:28.480 [ERROR] [ipt.internal.ScriptEngineManagerImpl] - Error during evaluation of script 'file:/etc/openhab/automation/jsr223/python/personal/verlichting_kast_lamp.py': ImportError: No module named core in <script> at line number 1
This is with all the scripts. It was working nice in OH2.5