System Information
| Field | Value |
|---|---|
| Operating System | Linux - Debian GNU/Linux 12 on x86_64 |
| Product | AMP ‘Callisto’ v2.5.0.14 (Mainline) |
| Virtualization | Docker |
| Application | Minecraft |
| Module | MinecraftModule |
| Running in Container | Yes |
| Current State | Failed |
Problem Description
Issue
trying to setup a server to run rlcraft and journeymaps 1.12.2
-error code
A problem occurred running the Server launcher.java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:109)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:70)
at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:34)
Caused by: java.lang.ClassCastException: class jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class java.net.URLClassLoader (jdk.internal.loader.ClassLoaders$AppClassLoader and java.net.URLClassLoader are in module java.base of loader ‘bootstrap’)
at net.minecraft.launchwrapper.Launch.(Launch.java:34)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
… 3 more
Reproduction Steps
- downloaded rlcraft and journey maps to mods folder
- edited server file to change command block to true
- tried updating and setting server to 1.12.2