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AlexProgrammerDE / balena-minecraft-server

Build a Minecraft Server using a Raspberry Pi 4! Supports common Servers, SCP, RCON and Wifi Connect.
Apache License 2.0
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Server wont open with Dungeons, Dragons and Space Shuttles modpack #192

Closed MiniGPT closed 2 years ago

MiniGPT commented 2 years ago

While using this modpack (https://www.curseforge.com/minecraft/modpacks/dungeons-dragons-and-space-shuttles), this error happens:

Starting balenaMinecraftServer... Config already copied Checking server JAR... Found a valid server file. It's called: forge-1.12.jar minecraft_server.1.12.2.jar paper.jar. Use ENABLE_UPDATE to update. Starting JAR file with: 4G of RAM A problem occurred running the Server launcher.java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:568) 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) ... 6 more Setting device hostname to: balenaminecraftserver I used the server files from the modpack website, with forge 1.12.
MiniGPT commented 2 years ago

Found a fix.