Default page and Paper UI won't load

[Laufeyjarson (Lou Erickson)]

Try clearing the OH caches. Different Java versions could easily have written different stuff in them and be confusing things:

Clear the Cache

Often when one encounters a problem with OH, particularly after an update, OH will refuse to run or certain parts of OH stop working. Some reported errors include: 500 or 404 errors when accessing the UIs lots of exceptions from Jetty or other core components in openhab.log OH refuses to start at all The first step in debugging the problem is to clear the tmp and cache. Installed OH If you are running an installed OH (openHABian, installed using apt or yum): openhab-cli stop openhab-cl…

Won’t hurt, even if it’s not the answer, and it might unstick you.