King49

So i went to make a 1.7.10 modded server to play with a friend and when i went to make the server forge universal wouldn't start or do anything. I've tried stating it with command prompt and am in java 8 331. when i go to start it with command prompt it gives me this error 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 cpw.mods.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:43) at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:12) 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 E:\Minecraft\Minecraft Servers\Modded 1.7.10 Minecarft Servers>pause Press any key to continue . . .

Every time I try to install Minecraft forge 1.8 it gives me an error message saying These libraries failed to download. Try again. org.scala-lang.pligins:scala-continuations-library_2.11:1.0.2 org.scala-lang.pligins:scala-continuations-plugins_2.11.1:1.0.2