Currently it seems not possible to run GIS server on AWS with EFS volume being used as data directory.
GeoServer 2.15.3 (same issue with 2.16.0)
Amazon Linux 2
folder and all subfolders are owned by tomcat, same usser which is running the app.
Works fine when this is a regular directory but doesn't work with EFS with following error:
assuming tomcat user and accessing the dir proves that the user has right permissions
please advise of any further troubleshooting required for this ticket