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MinecraftForge / FML

(Archive Only: Merged into Forge proper) The Forge Mod Loader - an opensource replacement mod loader for minecraft
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Minecraft won't launch #555

Closed CandVtyler closed 9 years ago

CandVtyler commented 9 years ago

Ok, I recently put this post on a galacticraft place, but since I found out this is for my FML, Im putting this post here. I am basically trying to load forge up with mods, but for some reason it doesn't work. Here is the Error report: [19:05:04] [main/ERROR] [LaunchWrapper/]: Unable to launch java.util.ConcurrentModificationException at java.util.ArrayList$Itr.checkForComodification(Unknown Source) ~[?:1.8.0_25] at java.util.ArrayList$Itr.remove(Unknown Source) ~[?:1.8.0_25] at net.minecraft.launchwrapper.Launch.launch(Launch.java:117) [launchwrapper-1.9.jar:?] at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.9.jar:?] I don't know what this means, since I don't program mods, I use a mod making program for minecraft. If anyone knows how to fix it then pls reply. Thank you in advance :)

maxov commented 9 years ago

This isn't an FML issue, but I'll entertain you, I guess. If you're not running it, install Java 7 or Java 6. And next time, use the Google, Luke.

CandVtyler commented 9 years ago

I installed Java 7 and ran it again but still gives the same message. But since you asked for it, I'm googling it.

CandVtyler commented 9 years ago

ok, I found a fix. If anyone is looking for one, here: Sorry, what they forgot to tell you is once you've downloaded Java 7, you want to go to the launcher and go to Edit Profile. Once there, you want to check that executable box and in the place where it says "jre1.8.0_20" you want to replace it with "jre7." It should work then. If that don't work, it's probably because your filename is different than "jre7." Just look in your C: under Program Files, then goto Java and find the name of your Java 7 file. And then it gives me another problem but I can solve this. If you get some message that saids they cant find something, search it then download it.

galaharon commented 9 years ago

1) All you have to do is update to the build 1217 of Forge or higher, this has been fixed for a long time. 2) This isn't the place for support - use the forums instead.