Startup Issue with Minecraft - Trying to run CurseForge RLCraft

Technical Support
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1

System Information

Field Value
Operating System Linux - Debian GNU/Linux 12 on x86_64
Product AMP ‘Decadeus’ v2.4.8.0 (Mainline)
Virtualization Docker
Application Minecraft
Module MinecraftModule
Running in Container Yes
Current State Failed

Problem Description

Issue

I am having issues running RLCraft. I tried to follow the guide on setting this up and believe I have done everything correctly so far. I also get the message: WebClient does not support concurrent I/O operations.

Reproduction Steps

  • Changed world to Forge, default 1.20 version worked.
  • changed forge version to 14.23.5.2860 to match RLCraft’s version
  • Ran download and update, appeared to go through successfully
  • Attempted to start server. Errors out.
2

I’d suggest checking the server’s log for mod errors to see if anything in there is causing any issues.
And check that you’re using the Java 8 runtime under Java and Memory.

3

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