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Smallin21's Achievements

Tree Puncher

Tree Puncher (2/8)



  1. Hello, I am trying to create a pixelmon server for me and my friends, however the forge server .jar (using forge 1.12.12 ver 2854) will not open. I am currently using java 8.311 as I have seen that the java version can be an issue. I can run the vanilla 1.12.12 server just fine, but for some reason the forge server will not open to even be able to get the eula. I am also not the best at command prompt or .bat files so was hoping to get some help on possibly how to fix. I have pasted logs below. C:\Users\colin\OneDrive\Desktop\Minecraft\Pixelmon\Server>java -jar forge-1.12.2- 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.<init>(Launch.java:34) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) ... 6 more C:\Users\colin\OneDrive\Desktop\Minecraft\Pixelmon\Server>PAUSE
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