ehcache.xml users .{5,} INVALID_PASSWORD Password must have at least 5 characters [a-zA-Z]+[a-zA-Z0-9]* INVALID_USERNAME [a-zA-Z]+[a-zA-Z0-9]* INVALID_GROUPNAME org.wamblee.usermgt.UserAdministration usermanagement-lock-advice erik admin users ${org.wamblee.photos.admingroup} abc123 abc123 ${org.wamblee.photos.security.userprincipal}