


When you start modding, you have to make a choice: will you use a third-party Minecraft mod launcher, or would you prefer to do everything manually by just using the official Minecraft launcher? Many third-party Minecraft launchers nowadays are designed to help you download and install mods with ease, so if you're using a launcher such as MultiMC, you can download and install individual mods and modpacks from within the launcher itself. Please note that usually neither the exit code, nor its description are enough to diagnose issues!Īlways upload the entire log and not just the exit code.Watch on YouTube How to install Minecraft mods

Process exited with code -1 (0xffffffffffffffff). : class $AppClassLoader cannot be cast to class ($AppClassLoader and are in module java.base of loader 'bootstrap')Īt .FMLRelauncher.(FMLRelauncher.java:60)Īt .FMLRelauncher.instance(FMLRelauncher.java:52)Īt .FMLRelauncher.appletEntry(FMLRelauncher.java:229)Īt .init(MinecraftApplet.java:25)Īt (Launcher.java:109)Īt (LegacyFrame.java:130)Īt .legacyLaunch(OneSixLauncher.java:142)Īt .launch(OneSixLauncher.java:254)Īt (EntryPoint.java:143)Īt (EntryPoint.java:34)įailed to invoke the Minecraft main class:Īt .FMLRelauncher.handleClientRelaunch(FMLRelauncher.java:38)Īt .main(Minecraft.java:2237)Īt java.base/.invoke0(Native Method)Īt java.base/.invoke(NativeMethodAccessorImpl.java:77)Īt java.base/.invoke(DelegatingMethodAccessorImpl.java:43)Īt java.base/.invoke(Method.java:568)Īt .legacyLaunch(OneSixLauncher.java:159) Java is version 17.0.5, using 64-bit architecture, from Oracle Corporation.Ĭ:/Users/zizzl/Documents/MultiMC/instances/1.5.2/nativesĬ:/Users/zizzl/Documents/MultiMC/libraries/net/java/jinput/jinput/2.0.5/jinput-2.0.5.jarĬ:/Users/zizzl/Documents/MultiMC/libraries/net/java/jutils/jutils/1.0.0/jutils-1.0.0.jarĬ:/Users/zizzl/Documents/MultiMC/libraries/org/lwjgl/lwjgl/lwjgl/2.9.4-nightly-20150209/lwjgl-2.9.4-nightly-20150209.jarĬ:/Users/zizzl/Documents/MultiMC/libraries/org/lwjgl/lwjgl/lwjgl_util/2.9.4-nightly-20150209/lwjgl_util-2.9.4-nightly-20150209.jarĬ:/Users/zizzl/Documents/MultiMC/instances/1.5.2/.minecraft/bin/minecraft.jarĬ:/Users/zizzl/Documents/MultiMC/libraries/net/java/jinput/jinput-platform/2.0.5/jinput-platform-2.0.5-natives-windows.jarĬ:/Users/zizzl/Documents/MultiMC/libraries/org/lwjgl/lwjgl/lwjgl-platform/2.9.4-nightly-20150209/lwjgl-platform-2.9.4-nightly-20150209-natives-windows.jar Game refuses to open every time I click launch and displays a big fat wall of red text.Ĭ:/Users/zizzl/Documents/MultiMC/instances/1.5.2/.minecraftĬ:/Program Files/Java/jdk-17.0.5/bin/javaw.exe I make an instance in 1.5.2, I install Forge through MMC, and it just breaks.
