doodlerock9

try newest forge for 1.12.2 it works

forge 1.12.2-14.23.2.2847 dont open with java version 8 update 310. but minecraft 1.12.2 open with the minecraft java in the minecrfat launcher files. this is what i get when i try to run it java.net.preferIPv4Stack=true Exception in thread "main" java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at net.minecraftforge.installer.Java6Gate.main(Java6Gate.java:48) Caused by: java.lang.ExceptionInInitializerError at net.minecraftforge.installer.ClientInstall.getSponsorMessage(ClientInstall.java:401) at net.minecraftforge.installer.InstallerAction.getSponsorMessage(InstallerAction.java:60) at net.minecraftforge.installer.InstallerPanel.updateFilePath(InstallerPanel.java:334) at net.minecraftforge.installer.InstallerPanel.<init>(InstallerPanel.java:315) at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:167) at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:54) ... 5 more Caused by: java.lang.ArrayIndexOutOfBoundsException: 1 at net.minecraftforge.installer.MirrorData.buildMirrorList(MirrorData.java:84) at net.minecraftforge.installer.MirrorData.<init>(MirrorData.java:63) at net.minecraftforge.installer.MirrorData.<clinit>(MirrorData.java:17) ... 11 more but it work on my other computer just fine. pc is i7 laptop i5 both windows 10