Auto-merging via docker-versions-create

# Conflicts:
#	.github/workflows/build-multiarch.yml
#	Dockerfile

.github/workflows/build-multiarch.yml

@@ -4,16 +4,14 @@ on:
     branches:
       - multiarch
       - multiarch-latest
-      - java*
+      - java15
+      - java16
       - test/multiarch/*
-    branches-ignore:
-      - java8
     tags:
       - "[0-9]+.[0-9]+.[0-9]+-multiarch"
       - "[0-9]+.[0-9]+.[0-9]+-multiarch-latest"
-      - "[0-9]+.[0-9]+.[0-9]+-java*"
+      - "[0-9]+.[0-9]+.[0-9]+-java15"
-    tags-ignore:
+      - "[0-9]+.[0-9]+.[0-9]+-java16"
-      - "[0-9]+.[0-9]+.[0-9]+-java8"
     paths-ignore:
       - "*.md"
       - "docs/**"
@@ -61,7 +59,7 @@ jobs:
         uses: docker/build-push-action@v2.4.0
         with:
           context: .
-          platforms: linux/amd64,linux/arm/v7,linux/arm64
+          platforms: linux/amd64,linux/arm64
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           # ensure latest base image is used

Dockerfile

@@ -1,4 +1,4 @@
-FROM adoptopenjdk:8-jre-hotspot
+FROM adoptopenjdk:15-openj9
 
 LABEL org.opencontainers.image.authors="Geoff Bourne <itzgeoff@gmail.com>"
 

start-configuration

@@ -98,6 +98,12 @@ 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 ${SCRIPTS:-/}start-deployForge "$@"
   ;;
 
@@ -110,6 +116,12 @@ case "${TYPE^^}" in
   ;;
 
   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 "**********************************************************************"
     exec ${SCRIPTS:-/}start-deployCF "$@"
   ;;