Merged latest from master

#819

Dockerfile

@@ -1,10 +1,11 @@
-FROM adoptopenjdk:15-jre
+FROM ubuntu:18.04
 
 LABEL org.opencontainers.image.authors="Geoff Bourne <itzgeoff@gmail.com>"
 
 RUN apt-get update \
   && DEBIAN_FRONTEND=noninteractive \
   apt-get install -y \
+    openjdk-8-jre-headless \
     imagemagick \
     gosu \
     sudo \

start-configuration

@@ -56,7 +56,7 @@ fi
 
 if ! which java > /dev/null; then
   log "Fixing PATH to include java"
-  PATH="${PATH}:/opt/java/openjdk/bin"
+  PATH="${PATH}:/usr/bin"
 fi
 
 export VERSIONS_JSON=https://launchermeta.mojang.com/mc/game/version_manifest.json
@@ -98,12 +98,6 @@ case "${TYPE^^}" in
   ;;
 
   FORGE)
-    log "**********************************************************************"
-    log "WARNING: The image tag itzg/minecraft-server:java8 is recommended"
-    log "         since some mods require Java 8"
-    log "         Exception traces reporting ClassCastException: class jdk.internal.loader.ClassLoaders\$AppClassLoader"
-    log "         can be fixed with java8"
-    log "**********************************************************************"
     exec ${SCRIPTS:-/}start-deployForge "$@"
   ;;
 
@@ -115,13 +109,7 @@ case "${TYPE^^}" in
     exec ${SCRIPTS:-/}start-deployFTBA "$@"
   ;;
 
-  FTB|CURSEFORGE)
-    log "**********************************************************************"
-    log "WARNING: The image tag itzg/minecraft-server:java8 is recommended"
-    log "         since some mods require Java 8"
-    log "         Exception traces reporting ClassCastException: class jdk.internal.loader.ClassLoaders\$AppClassLoader"
-    log "         can be fixed with java8"
-    log "**********************************************************************"
+  CURSEFORGE|FTB)
     exec ${SCRIPTS:-/}start-deployCF "$@"
   ;;