Posted February 16, 20187 yr I am creating a server for myself and a bunch of friends to play on, but i cannot get it to work. I have tried fresh installs of forge and different versions of 1.10.2 and nothing has worked . It gives me this when I try to start it. A problem occurred running the Server launcher.java.lang.reflect.InvocationTarge tException at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknow n Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Un known Source) at java.base/java.lang.reflect.Method.invoke(Unknown Source) at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunc hWrapper.java:62) at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaun chWrapper.java:31) Caused by: java.lang.ClassCastException: java.base/jdk.internal.loader.ClassLoad ers$AppClassLoader cannot be cast to java.base/java.net.URLClassLoader at net.minecraft.launchwrapper.Launch.<init>(Launch.java:34) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) ... 6 more Press any key to continue . . . Thanks for any help. Edit: I tried different versions of forge entirely(1.12 and 1.11) and those also game me the same startup error. Edited February 16, 20187 yr by AreUThreateningMe
February 16, 20187 yr Forge doesn't support Java 9, you need to use Java 8. Please don't PM me to ask for help. Asking your question in a public thread preserves it for people who are having the same problem in the future.
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