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Deep dive into the Structured Logging in Spring Boot 3.4
Benefits of Structured Logging
Spring Boot 3.4 has been released 🎊, and as usual, I want to introduce you to some of its new features. As I use Spring Framework and Spring Boot in my daily work, I always keep an eye on the new features that are added in the new releases and write about them here:



This time, unlike the previous times, instead of introducing all the features in one article, I want to go into each feature as deeply as I can. The first feature in Spring Boot 3.4 that I would like to introduce in this article is the most buzzed around: Structured Logging
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· Why Structured Logging Matters?
· How to enable Structured Logging in Spring Boot 3.4?
· Let’s see what happens in practice
∘ Using Elastic Common Schema (ECS) format:
∘ Using Graylog Extended Log Format (GELF):
∘ Using Logstash JSON format:
· Implementing custom format
· Some tips:
· Final Thoughts