I'm attempting to run a forge server on my old mac (An Intel IMac I have booted with High Sierra 10.13.6), and i'm running into a few problems. I understand that to allocate more ram to the forge.jar, I must use a start.command file. This is the start.command I'm using:
#!/bin/bash cd "$(dirname "$0")" exec java -Xms12G -Xmx12G -jar forge-1.12.2-14.23.5.2838-universal.jar
Double-clicking, I am met with this gargantuan error:
A problem occurred running the Server launcher.java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:567)
at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:70)
at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:34)
Caused by: java.lang.ClassCastException: class jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class java.net.URLClassLoader (jdk.internal.loader.ClassLoaders$AppClassLoader and java.net.URLClassLoader are in module java.base of loader 'bootstrap')
at net.minecraft.launchwrapper.Launch.(Launch.java:34)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
... 6 more
logout
Saving session...
...copying shared history...
...saving history...truncating history files...
...completed.
[Process completed]
I have 16 GB of DDR3 RAM, 12GB of which is allocated through the start.command. I am using Java Version 8, Update 221. If anybody needs more information, feel free to ask.
A problem occurred running the Server launcher.java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:567)
at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:70)
at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:34)
Caused by: java.lang.ClassCastException: class jdk.internal.loader.ClassLoaders$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)
Greetings-
I'm attempting to run a forge server on my old mac (An Intel IMac I have booted with High Sierra 10.13.6), and i'm running into a few problems. I understand that to allocate more ram to the forge.jar, I must use a start.command file. This is the start.command I'm using:
Double-clicking, I am met with this gargantuan error:
I have 16 GB of DDR3 RAM, 12GB of which is allocated through the start.command.
I am using Java Version 8, Update 221.
If anybody needs more information, feel free to ask.
In reply to philosodog:
Try using forge version 14.23.5.2837.
Just tried it brother, no dice. Gave me this error:
Dont use java 9 or higher. Forge is incompatible with these java versions. Just use java 8 (Hotspot not J9)
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