[ERROR] Server not starting with MEOWICE Flags since latest update

[maxxberg]

Describe the problem

Since the latest Image push, my server is not starting with MEOWICE Flags enabled.
I guess it could be related to this PR: #3642

Container definition

apiVersion: apps/v1
kind: Deployment
metadata:
  annotations:
    io.containers.autoupdate: registry
  labels:
    app: mc-atm10
  name: mc-atm10
spec:
  replicas: 1
  selector:
    matchLabels:
      app: mc-atm10
  template:
    metadata:
      labels:
        app: mc-atm10
    spec:
      containers:
        - env:
            - name: CF_PAGE_URL
              value: https://www.curseforge.com/minecraft/modpacks/all-the-mods-9/files/6451428
            - name: DIFFICULTY
              value: "2"
            - name: ENABLE_WHITELIST
              value: "true"
            - name: EULA
              value: "TRUE"
            - name: EXISTING_OPS_FILE
              value: MERGE
            - name: EXISTING_WHITELIST_FILE
              value: MERGE
            - name: MEMORY
              value: 8192M
            - name: SIMULATION_DISTANCE
              value: "11"
            - name: TYPE
              value: AUTO_CURSEFORGE
            - name: USE_MEOWICE_FLAGS
              value: "true"
            - name: VIEW_DISTANCE
              value: "11"
          image: docker.io/itzg/minecraft-server:java17
          name: mc
          stdin: true
          tty: true
          volumeMounts:
            - mountPath: /data
              name: mc-atm10
      restartPolicy: Always
      volumes:
        - name: mc-atm10
          persistentVolumeClaim:
            claimName: mc-atm10

Container logs

[init] Running as uid=1000 gid=1000 with /data as 'drwxr-xr-x. 20 1000 1000 4096 Sep  2 00:34 /data'
[init] Image info: buildtime=2025-09-04T21:45:21.604Z,version=java17,revision=fc6fcb68e57f19559c2fc6222ddb5e539b4a7c09
[mc-image-helper] 22:45:51.833 INFO  : Requested CurseForge modpack All the Mods 9-1.0.8 is already installed for All the Mods 9 - ATM9
[mc-image-helper] 22:45:52.181 INFO  : Forge version 47.4.0 for minecraft version 1.20.1 is already installed
[init] Copying any mods from /mods to /data/mods
[init] Copying any configs from /config to /data/config
[init] Enabling whitelist functionality
[mc-image-helper] 22:45:54.954 INFO  : Created/updated 1 property in /data/server.properties
[init] Java version 17 using MeowIce's flags for Java 17+
[init] Using MeowIce's flags for Graalvm
[init] Setting initial memory to 8192M and max to 8192M
[init] Using Forge supplied run.sh script...
Error: VM option 'UseFastUnorderedTimeStamps' is experimental and must be enabled via -XX:+UnlockExperimentalVMOptions.
Error: The unlock option must precede 'UseFastUnorderedTimeStamps'.
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.

[itzg]

I’ll revert the original PR for now and can then incorporate your fix.

[maxxberg]

Thank you!