when i open my run.bat file it shows this as the latest log

[08Jul2024 22:14:14.988] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher running: args [--launchTarget, forgeserver, --fml.forgeVersion, 40.2.0, --fml.mcVersion, 1.18.2, --fml.forgeGroup, net.minecraftforge, --fml.mcpVersion, 20220404.173914]
[08Jul2024 22:14:14.997] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher 9.1.3+9.1.3+main.9b69c82a starting: java version 22.0.1 by Oracle Corporation
[08Jul2024 22:14:15.211] [main/INFO] [mixin/]: SpongePowered MIXIN Subsystem Version=0.8.5 Source=union:/C:/Users/eduar/Desktop/server/libraries/org/spongepowered/mixin/0.8.5/mixin-0.8.5.jar%2314!/ Service=ModLauncher Env=SERVER
[08Jul2024 22:14:15.820] [main/WARN] [net.minecraftforge.fml.loading.moddiscovery.ModFileParser/LOADING]: Mod file C:\Users\eduar\Desktop\server\libraries\net\minecraftforge\fmlcore\1.18.2-40.2.0\fmlcore-1.18.2-40.2.0.jar is missing mods.toml file
[08Jul2024 22:14:15.830] [main/WARN] [net.minecraftforge.fml.loading.moddiscovery.ModFileParser/LOADING]: Mod file C:\Users\eduar\Desktop\server\libraries\net\minecraftforge\javafmllanguage\1.18.2-40.2.0\javafmllanguage-1.18.2-40.2.0.jar is missing mods.toml file
[08Jul2024 22:14:15.841] [main/WARN] [net.minecraftforge.fml.loading.moddiscovery.ModFileParser/LOADING]: Mod file C:\Users\eduar\Desktop\server\libraries\net\minecraftforge\lowcodelanguage\1.18.2-40.2.0\lowcodelanguage-1.18.2-40.2.0.jar is missing mods.toml file
[08Jul2024 22:14:15.853] [main/WARN] [net.minecraftforge.fml.loading.moddiscovery.ModFileParser/LOADING]: Mod file C:\Users\eduar\Desktop\server\libraries\net\minecraftforge\mclanguage\1.18.2-40.2.0\mclanguage-1.18.2-40.2.0.jar is missing mods.toml file
[08Jul2024 22:14:16.010] [main/INFO] [net.minecraftforge.fml.loading.moddiscovery.JarInJarDependencyLocator/]: No dependencies to load found. Skipping!
[08Jul2024 22:14:19.211] [main/INFO] [mixin/]: Compatibility level set to JAVA_17
[08Jul2024 22:14:19.247] [main/INFO] [cpw.mods.modlauncher.LaunchServiceHandler/MODLAUNCHER]: Launching target 'forgeserver' with arguments []
[08Jul2024 22:14:19.335] [main/WARN] [mixin/]: Reference map 'xlpackets.refmap.json' for xlpackets.mixins.json could not be read. If this is a development environment you can ignore this message
[08Jul2024 22:14:19.568] [main/WARN] [mixin/]: Error loading class: net/minecraft/world/item/ItemStack (java.lang.IllegalArgumentException: Unsupported class file major version 66)
[08Jul2024 22:14:19.569] [main/WARN] [mixin/]: @Mixin target net.minecraft.world.item.ItemStack was not found mixins.mlib.json:MixinItemStack
[08Jul2024 22:14:19.840] [main/WARN] [mixin/]: Error loading class: java/util/Map$Entry (java.lang.IllegalArgumentException: Unsupported class file major version 66)
[08Jul2024 22:14:19.844] [main/WARN] [mixin/]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 66)
[08Jul2024 22:14:19.846] [main/WARN] [mixin/]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 66)
[08Jul2024 22:14:19.847] [main/WARN] [mixin/]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 66)
[08Jul2024 22:14:19.848] [main/WARN] [mixin/]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 66)
[08Jul2024 22:14:22.662] [main/WARN] [mixin/]: Error loading class: java/util/Map (java.lang.IllegalArgumentException: Unsupported class file major version 66)
 

Edited July 9, 20241 yr by vampswat

Use Java 17 instead of Java 22

i have it downloaded but i haven't figured out how to change the it to 17

 

In the run bat file, replace the word java with the java 17 path to the javaw.exe and put this path into quotation marks