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name avaje-simple-logger
description Avaje Simple Logger — lightweight SLF4J implementation for Java. Setup, configuration, replacing Logback, dynamic log levels via AWS AppConfig. Use when adding or configuring avaje-simple-logger.

Avaje Simple Logger

Avaje Simple Logger is a lightweight SLF4J implementation for Java. It's designed for microservices and GraalVM native images where a full logging framework like Logback is unnecessary overhead.

Key Principles

  • Drop-in SLF4J implementation — uses standard LoggerFactory.getLogger()
  • Configuration via simplelogger.properties or application.yaml
  • No XML configuration files needed
  • GraalVM native image compatible
  • Dynamic log level changes via AWS AppConfig (optional)
  • Ideal companion for avaje-nima

Task Guides

Load the relevant reference guide for the current task. Only load what you need.

Task Reference
Setup, configuration, replacing Logback setup
AWS AppConfig dynamic log levels aws-appconfig

Quick Reference

Dependency

<dependency>
  <groupId>io.avaje</groupId>
  <artifactId>avaje-simple-logger</artifactId>
  <version>${avaje-simple-logger.version}</version>
</dependency>

Configuration

# src/main/resources/simplelogger.properties
org.slf4j.simpleLogger.defaultLogLevel=info
org.slf4j.simpleLogger.log.com.myapp=debug

Usage

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

class MyService {
  private static final Logger log = LoggerFactory.getLogger(MyService.class);

  void doWork() {
    log.info("Processing request");
    log.debug("Detail: {}", detail);
  }
}

Regenerating References

cd /path/to/avaje/skills && ./generate-references.sh