Upgraded mainline/latest to Java 11

start-configuration

@@ -95,6 +95,10 @@ case "${TYPE^^}" in
   ;;
 
   FORGE)
+    log "**********************************************************************"
+    log "WARNING: Use the image tag itzg/minecraft-server:forge"
+    log "         since some mods require Java 8"
+    log "**********************************************************************"
     exec ${SCRIPTS:-/}start-deployForge "$@"
   ;;