Combatlog

Evidence

Ran on Kiln's test stand (2026-11-04): FabricEntrypoint did not start: java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager.

What it needs from Kiln

• an access widener
• Mixin
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarted
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndTick
• net.fabricmc.fabric.api.event.player.UseBlockCallback
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Join
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.commands.arguments.EntityArgument
• net.minecraft.nbt.CompoundTag
• net.minecraft.nbt.ListTag
• net.minecraft.network.chat.Style
• net.minecraft.server.MinecraftServer
• net.minecraft.server.ServerTickRateManager
• net.minecraft.server.bossevents.CustomBossEvent
• net.minecraft.server.bossevents.CustomBossEvents
• net.minecraft.server.level.ServerPlayerGameMode
• net.minecraft.server.network.ServerGamePacketListenerImpl
• net.minecraft.server.permissions.Permission
• net.minecraft.server.permissions.Permission.HasCommandLevel
• net.minecraft.server.permissions.PermissionLevel
• net.minecraft.server.permissions.PermissionSet
• net.minecraft.server.players.PlayerList
• net.minecraft.tags.DamageTypeTags
• net.minecraft.world.BossEvent
• net.minecraft.world.BossEvent.BossBarColor
• net.minecraft.world.damagesource.DamageSource
• net.minecraft.world.item.ItemCooldowns
• net.minecraft.world.level.GameType
• org.apache.logging.log4j.LogManager
• org.apache.logging.log4j.Logger
• DefaultedRegistry.forEach()
• Component.copy()
• Component.nullToEmpty()
• MutableComponent.withStyle()
• Identifier.tryParse()
• ServerLevel.getServer()
• and 7 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Mixin (0.5)

In the author's words

An attempt to prevent people from logging out while in combat

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file combatlog-2.8.4-fabric+26.1.2.jar. The scan reads the mod's classes; it does not run them.