Windows (x86): \runtime\jre-x86\bin\java. MacOS: /runtime/jre-圆4/jre.bundle/Contents/Home/bin/java Even better, use the official launcher’s runtime if available.įor reference, Minecraft’s bundled runtime is available at the following locations:
Multimc java check download#
However, a better solution would be to automatically try to download Java 8 if it’s not found, and allow a change from the bundled Java runtime in Settings.
Multimc java check code#
# C -+0xe5Īnd the process crashes with exit code 6. Removed the part entirely.ĮDIT 3: Added important notice for Java 8.ĮDIT 6: Man, 6 edits already? Add location for Minecraft’s bundled runtime. I recommend viewing Additional Info before looking at the logs unless you like redundancy.ĮDIT: Took something out to rewrite it and forgot to finish it. However, plenty of people do not have Java 8 (I'm pretty sure Catalina comes with 13.0.2), so this should still be fixed if possible to prevent this from occurring in the future. This is further proven when in that same log, it states "The crash happened outside the Java Virtual Machine in native code." This does not occur in the official Minecraft launcher, which uses Java 8.Įven more mind boggling, even downgrading to 2.9.2 for version 1.12.2 in MultiMC won't launch, so it's not a problem with LWJGL.Īfter running this in Java 8 it works as expected. You can see there is a SIGILL error in the logs, which means the CPU didn't understand an instruction. Likely, the instruction set changed for LWJGL inbetween these versions, and Java understands these new changes.
In the official Minecraft launcher, 1.13+ and above utilize version 3.2.1, while 1.12.2 and below use version 2.9.2-nightly-20140822. In MultiMC, 1.13+ and above utilize LWJGL version 3.1.6, while 1.12.2 and below use version 2.9.4-nightly-20150209. If you installed Java after already completing the first time setup process, you can access and modify your Java configuration through: Settings > Java > Java Runtime > Auto. Using Java Once you have installed Java, PolyMC will be able to detect it during the first time set-up wizard. Steps to reproduce the issue (Add more if needed):Īdd any instance using any Minecraft version from rd-132211 to 1.12.2ĮDIT: Change cause and add notice for Java 8. For this reason, using Java 8u312 or lower is reccomended.
Starting from the oldest version (rd-132211) to Minecraft version 1.12.2, the game refuses to launch, and crashes. Java version: 13.0.2 Summary of the issue or suggestion: Operating System: macOS Catalina 10.15.4 (19E287) Somehow managed to include what was supposed to be commented out and didn't see it in preview.
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