I tested the latest release with the GeoFence Server Plugin and GeoServer failed to start with a FileNotFoundException
Extract the binary package: https://build.geoserver.org/geoserver/release/2.14.0/geoserver-2.14.0-bin.zip
Install the GeoFence Server plugin: https://build.geoserver.org/geoserver/2.14.x/community-latest/geoserver-2.14-SNAPSHOT-geofence-server-plugin.zip
Start GeoServer with startup.bat
Please find attached the GeoServer log.
Here is an extract:
Windows 10, Java 1.8.0_191