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Posts posted by JJasper_

  1. Upon trying to setup forge for an RLCraft server, I am greeted by the following error message upon running my run.bat:


    D:\Games\RLCraft Server>java -Xmx4096M -Xms4096M -jar forge-1.12.2- nogui
    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:78)
            at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
            at java.base/java.lang.reflect.Method.invoke(Method.java:567)
            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.<init>(Launch.java:34)
            at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
            ... 6 more

    D:\Games\RLCraft Server>PAUSE
    Press any key to continue . . .


    Does anyone know what is causing the issue?


    I have tried re-installing etc., but I have just been met with the same error multiple times.

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