Fix PATH to include java when needed

CONFLICT (content): Merge conflict in start-configuration

Dockerfile

@@ -1,4 +1,4 @@
-FROM adoptopenjdk:11-jre
+FROM adoptopenjdk:15-jre
 
 LABEL org.opencontainers.image.authors="Geoff Bourne <itzgeoff@gmail.com>"
 

start-minecraftFinalSetup

@@ -168,6 +168,11 @@ function copyFilesForCurseForge() {
   cp -f /data/eula.txt "${FTB_DIR}/"
 }
 
+if ! which java > /dev/null; then
+  log "Fixing PATH to include java"
+  PATH="${PATH}:/opt/java/openjdk/bin"
+fi
+
 mcServerRunnerArgs="--stop-duration ${STOP_DURATION:-60}s"
 if [[ ${TYPE} == "CURSE_INSTANCE" ]]; then
     if isTrue ${DEBUG_EXEC}; then