Startup Issue with Minecraft - Won't start

System Information

Field Value
Operating System Linux - Debian GNU/Linux 12 on x86_64
Product AMP ‘Phobos’ v2.6.0.6 (Mainline)
Virtualization Docker
Application Minecraft
Module MinecraftModule
Running in Container Yes
Current State Failed

Problem Description

Issue

Caused by: java.lang.ClassNotFoundException: com.mojang.blaze3d.platform.WindowEventHandler

Reproduction Steps

  • added world file
  • deleted old world file
  • booted up the server

That error is caused by a client-only mod being loaded on the server, so you’ll need to read the log and figure out which mod is throwing the error.

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