[JAVA 9] MultiMC crashes when launching game

MultiMC / Launcher

A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once

https://multimc.org/

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[JAVA 9] MultiMC crashes when launching game #1571

Closed RPoor closed 6 years ago

RPoor commented 8 years ago

Hello!

I have recently came across an that prevents any instance from launching when using Java 1.9.0. I have tested, and found out it's not a minecraft-sided problem,because the game launched without any problems using the official launcher. I have java 9 Build 118 I am running "MultiMC 5 - Version 0.4.12-develot-785 on win32" I am using Windows 10 Pro ; version 1511 ; OS build 10586.318 ; x64 I have an AMD A10-7800 CPU; AMD R7 240 2GB GPU; 8 GB DDR3 700Mhz RAM Log from console: http://pastebin.com/EDimPgGx I tried all versions from 1.6.4 up to 1.9.4, all give the same crashlog. I hope you can fix this!

QuImUfu commented 8 years ago

Can confirm, this doesn't happen under Linux but it definitely does under Windows 10 32 bit. Can also confirm that it doesn't happen with the vanilla launcher. edit. I have to correct myself, it does happen under Linux with the newest oracle java 9 JRE.

peterix commented 8 years ago

This is likely not going to be fixed with the current launcher part.

Requirements:

Native code launcher part, using JNI to instantiate the JVM
It needs to be both 32bit and 64bit on linux and win32, regardless of what MultiMC uses
So, ideally fully static linked and just added to the normal builds

For what else it should do: https://workflowy.com/s/2EyDMcp7CU#/?q=%23launch-agent%2B Expand all the bullet points.

peterix commented 8 years ago

This also involves changes to user configuration and java detection - we won't be using the executables anymore.

MauveCloud commented 7 years ago

Java 9 officially released today, and I ran into this (tried both the "stable" and "development" update channels). I guess I'll switch MultiMC back to Java 8 for now, but I'll keep an eye on this issue in case this gets fixed.

peterix commented 7 years ago

Java 9 is not going to be supported any time soon. It breaks too many things.

peterix commented 6 years ago

Current version (0.6) should have no issues with Java 9 anymore. You will still find out that it doesn't work with mods... so it's sort of useless IMO. Closing.