im trying to make a forge server but it wont work

[BloxyShiba]

so i was trying to make a forge server for me and my friend to play on but when i tried to double click the forge server file it for it to create all the files it just didnt create anything
i have java 8 downloaded and i tried using cmd to start it but all it said was 
A problem occurred running the Server launcher.java.lang.reflect.InvocationTargetException
ive read a bunch of threads but i still cant figure it out could anyone help?

[BloxyShiba]

C:\Users\Mi>cmd
Microsoft Windows [Version 10.0.19042.1415]
(c) Microsoft Corporation. All rights reserved.

C:\Users\Mi>cd desktop

C:\Users\Mi\Desktop>cd C:\Users\Mi\Desktop\server

C:\Users\Mi\Desktop\server>java -jar forge-1.12.2-14.23.5.2860.jar
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

sorry for not using a paste bin i dont know how it works/what it is, does this show anything? this is what happens when i try open it from cmd

[BloxyShiba]

and also i dont know how to look at the 6 more lines thing if thats important