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Niteshnitian @nitesh123-nits

Spring Boot Logging Essentials

Spring Boot logging explained: config, best practices & ELK stack integration. Learn how to log in Spring Boot, from basic configuration to advanced topics like structured logging and MDC.

Introduction

Logging is an essential part of any application. It helps developers debug, monitor, and analyze application behavior. In this blog, we'll explore logging in Spring Boot, covering configuration, best practices, and centralized logging using the ELK stack.

  
  
  1. Understanding Logging in Spring Boot

Spring Boot uses SLF4J as a facade for different logging frameworks like Logback (default), Log4j2, and Java Util Logging (JUL).

  
  
  Logging Levels


TRACE – Most detailed information, for troubleshooting.
DEBUG – Detailed information useful for debugging.
INFO – General app...