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Posted

Initially, I got horribly stuck with the installer failing to load the library files, but I found my fire-wall was blocking them, so sorted that and got the installer working fine. I installed Forge on a brand new 1.7.10 install, which had been run once to check all was well and a map briefly created.

 

I then installed Forge, and ran the game again through the installer, choosing a new profile which picked up Forge correctly. The game starts up just fine, and I get the front screen indicating 3 mods in place. MCP 9.05, FML 7.10.18.1180 and Forge 10.13.0.1180. Nothing else.

 

The MODS folder is empty.

 

 

  Reveal hidden contents

 

 

I have tried running with the firewall on and off. I have tried creating or opening a map, and creating a map in vanilla 1.7.10 still crashes when opening in Forge.

 

I have searched for similar issues, but in all cases the root cause seemed to be a mod issue.... but I have no mods in place. I have double checked this by deleting the whole install and reloading the game files.

 

 

Posted

Update, and it seems like your firewall is at it again not letting Minecraft create the sockets it needs to to connect to itself.

Also try running with -Djava.net.preferIPv4Stack=true in your JVM arguments. This shouldn't be needed on modern Forge versions but whatever.

I do Forge for free, however the servers to run it arn't free, so anything is appreciated.
Consider supporting the team on Patreon

Posted

Tried it with Firewall on and off ... but it wouldn't work, even when I set it to 'allow all'. I suspect I would have to disable it entirely, which I am reluctant to do as it is also my antivirus. It's the free version of Outpost Security Suite 7.1 for reference. I may have to find myself a different firewall altogether. Odd that it lets me run vanilla both SP and LAN/online....

 

Added the statement you suggested to the JVM arguments in the loader however, and it works!

 

"-Djava.net.preferIPv4Stack=true"

 

and the game is running with forge enabled. I have added in a couple of Forge compatable mods to test, and it's all running perfectly. I won't pretend to know exactly what the statement does, but it works.

 

Many thanks LexManos!

Posted

Hello. Sorry, but where exactly do I add the javaargument in my version.json

 

for example, here is the first part of my version.json file

 

{

    "minecraftArguments": "--username ${auth_player_name} --session ${auth_session} --version ${version_name} --gameDir ${game_directory} --assetsDir ${game_assets} --tweakClass cpw.mods.fml.common.launcher.FMLTweaker",

    "libraries": [

        {

            "url": "http://files.minecraftforge.net/maven/",

            "name": "net.minecraftforge:minecraftforge:9.11.1.965"

 

 

 

 

I see "minecraftarguments" but nothing about javaarguments.  So all I would like to know is how to add the argument mentioned above to my version.json file, thanks :)

Posted

You dont edit json files.

You add these options in the profile config in the launcher.

I do Forge for free, however the servers to run it arn't free, so anything is appreciated.
Consider supporting the team on Patreon

  • 2 years later...
Posted

Well, I'm a but late, but after I replaced whatever argument was in my profile with your recommended text, it worked! My Forge kept doing the same thing ever since loading a mod that was in its alpha stages but up for downloads, and this actually fixed it. Thanks fam.

  • 11 months later...
Posted

I need help. I am having the same problem, but I don't know much about FILES on a computer. The fix looks like it works, but I still cant figure out where to edit/replace the argument, because I don't know where it is. Thanks.

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