itzg/docker-minecraft-server

Old Minecraft Forge Versions not working

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#2303 opened on Jul 24, 2023

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enhancementhelp wanted

Description

Describe the problem

Minecraft 1.4.7 with Forge Version 6.6.1.529 is not working. I get itzg.helpers.errors.GenericException: Failed to locate forge installer Error.

Container definition

Image:  itzg/minecraft-server:java8-multiarch

    environment:
      TYPE: "FORGE"
      OVERRIDE_SERVER_PROPERTIES: "false"
      EULA: "TRUE"
      VERSION: "1.4.7"
      FORGE_VERSION: 6.6.1.529
      GUI: "FALSE"
      INIT_MEMORY: "1G"
      MAX_MEMORY: "12G"
      USE_AIKAR_FLAGS: "true"
      JVM_XX_OPTS: "-XX:+UseG1GC"

Container logs

 mc  | [init] Running as uid=1000 gid=1000 with /data as 'drwxrwxr-x 2 1000 1000 4096 Jul 24 10:51 /data'

 mc  | [init] Resolved version given 1.4.7 into 1.4.7 and major version 1.4

 mc  | [init] Resolving type given FORGE

 mc  | [ mc-image-helper] 10:51:14.594 INFO  : Downloading Forge installer 6.6.1.529 for Minecraft 1.4.7

 mc  | [ mc-image-helper] 10:51:15.922 ERROR : 'install-forge' command failed. Version is 1.29.0

 mc  | me.itzg.helpers.errors.GenericException: Failed to locate forge installer

 mc  |    at me.itzg.helpers.forge.ForgeInstaller.downloadInstaller(ForgeInstaller.java:398)

 mc  |    at me.itzg.helpers.forge.ForgeInstaller.downloadAndInstall(ForgeInstaller.java:258)

 mc  |    at me.itzg.helpers.forge.ForgeInstaller.install(ForgeInstaller.java:134)

 mc  |    at me.itzg.helpers.forge.InstallForgeCommand.call(InstallForgeCommand.java:84)

 mc  |    at me.itzg.helpers.forge.InstallForgeCommand.call(InstallForgeCommand.java:16)

 mc  |    at picocli.CommandLine.executeUserObject(CommandLine.java:2041)

 mc  |    at picocli.CommandLine.access$1500(CommandLine.java:148)

 mc  |    at picocli.CommandLine$RunLast.executeUserObjectOfLastSubcommandWithSameParent(CommandLine.java:2461)

 mc  |    at picocli.CommandLine$RunLast.handle(CommandLine.java:2453)

 mc  |    at picocli.CommandLine$RunLast.handle(CommandLine.java:2415)

 mc  |    at picocli.CommandLine$AbstractParseResultHandler.execute(CommandLine.java:2273)

 mc  |    at picocli.CommandLine$RunLast.execute(CommandLine.java:2417)

 mc  |    at picocli.CommandLine.execute(CommandLine.java:2170)

 mc  |    at me.itzg.helpers. mcImageHelper.main( mcImageHelper.java:139)

 mc  | [init] ERROR failed to install Forge

 mc exited with code 1
```

Contributor guide

Tech stack
shelldockerjava
Domain
devopstooling
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Docker basicsMinecraft Forge versioning
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40
Research direction
Investigate the Forge installer download logic in ForgeInstaller.java, specifically the downloadInstaller method. The error indicates it cannot locate the installer for version 6.6.1.529. Check the URL construction used for downloading old Forge versions and verify if the version is still hosted. Consider updating the download URL to use a different mirror or handle missing versions gracefully.