Console Spam Fix : Reborn

Evidence

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

What it needs from Kiln

• net.fabricmc.loader.api.MappingResolver
• org.apache.logging.log4j.Level
• org.apache.logging.log4j.LogManager
• org.apache.logging.log4j.Logger
• org.apache.logging.log4j.Marker
• org.apache.logging.log4j.core.Filter
• org.apache.logging.log4j.core.Filter.Result
• org.apache.logging.log4j.core.LifeCycle
• org.apache.logging.log4j.core.LifeCycle.State
• org.apache.logging.log4j.core.LogEvent
• org.apache.logging.log4j.core.Logger
• org.apache.logging.log4j.core.LoggerContext
• org.apache.logging.log4j.core.config.Configuration
• org.apache.logging.log4j.core.config.LoggerConfig
• org.apache.logging.log4j.message.Message
• FabricLoader.getMappingResolver()
• FabricLoader.isDevelopmentEnvironment()

On the roadmap: Minecraft's libraries and client API (0.2)

In the author's words

A log filter that hide configured messages or errors from console and logs.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file ConsoleSpamFixReborn-2.1.0.jar. The scan reads the mod's classes; it does not run them.