MapDB error After upgrading to OH 2.5

I recently upgraded to Openhabian 2.5 stable and now get the following error.

2020-02-24 21:29:26.718 [ERROR] [org.openhab.persistence.mapdb       ] - bundle org.openhab.persistence.mapdb:1.14.0 (246)[org.openhab.persistence.mapdb(305)] : The activate method has thrown an exception 
java.lang.ClassCastException: org.openhab.persistence.mapdb.internal.MapDBitemSerializer cannot be cast to org.mapdb.Serializer

	at org.mapdb.DB.getTreeMap( ~[?:?]

	at org.mapdb.DB$BTreeMapMaker.makeOrGet( ~[?:?]

	at org.openhab.persistence.mapdb.internal.MapDBPersistenceService.activate(MapDB

Uninstalling MapDB, Clearing cache and reinstalling MapDB did not help. Same error persists.

Have you cleaned the cache? Sometimes a restart helps too.

Cleared cache, reinstalled maps… did not help . I added some more log info above.


did you find the root cause?
I see the same error.

I actually did a few openhab restarts and then it disappeared… and has not come back since