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Posted

Hello all! I am having an issue with my forge 1.7.10-10.13.4.1614 server. If I double-click on the jar, it starts up fine. If I use the java command in Terminal, (I'm on mac) the server crashes with the following. I have the forge server jar and the base server jar in the same directory with their original names. Can anyone help me? Thanks in advance!

Last login: Mon Aug 31 19:56:01 on ttys000
/Users/leemodugno/Desktop/Startup\ Scripts/mods.command ; exit;
Lees-Server:~ leemodugno$ /Users/leemodugno/Desktop/Startup\ Scripts/mods.command ; exit;
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:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:567)
	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
logout
Saving session...
...copying shared history...
...saving history...truncating history files...
...completed.

[Process completed]

 

Posted

1.12 is no longer supported on this forum.

Please update to a modern version of Minecraft to receive support.

  • Confused 1

This is my Forum Signature, I am currently attempting to transform it into a small guide for fixing easier issues using spoiler blocks to keep things tidy.

 

As the most common issue I feel I should put this outside the main bulk:

The only official source for Forge is https://files.minecraftforge.net, and the only site I trust for getting mods is CurseForge.

If you use any site other than these, please take a look at the StopModReposts project and install their browser extension, I would also advise running a virus scan.

 

For players asking for assistance with Forge please expand the spoiler below and read the appropriate section(s) in its/their entirety.

  Reveal hidden contents

 

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