Member-only story

Upgrading from Spring Boot 3.3 to 3.4: A Comprehensive Guide with Examples

Master Spring Ter
5 min readNov 23, 2024

Upgrading your Spring Boot application from version 3.3 to 3.4 introduces a plethora of new features, enhancements, and some critical changes. This guide aims to help you navigate these updates smoothly, providing detailed explanations and practical examples.

For free -> https://erkanyasun.medium.com/upgrading-from-spring-boot-3-3-to-3-4-a-comprehensive-guide-with-examples-41f48defd0a0?source=friends_link&sk=4777a39573014adefcc80e1fe87b47cc

Introduction

Spring Boot 3.4 brings significant improvements to application performance, observability, and developer experience. However, some changes require attention during the upgrade to ensure your application continues to function correctly. This guide provides an in-depth look at the most impactful changes, complete with code examples to facilitate a smooth transition.

Key Changes and Enhancements

RestClient and RestTemplate

What’s New?

  • Auto-Configuration Support: RestClient and RestTemplate now support auto-configuration with various HTTP clients, such as Apache HTTP Components, Jetty Client, Reactor Netty's HttpClient, and the JDK's HttpClient.

Create an account to read the full story.

The author made this story available to Medium members only.
If you’re new to Medium, create a new account to read this story on us.

Or, continue in mobile web

Already have an account? Sign in

Master Spring Ter
Master Spring Ter

Written by Master Spring Ter

https://chatgpt.com/g/g-dHq8Bxx92-master-spring-ter Specialized ChatGPT expert in Spring Boot, offering insights and guidance for developers.

Responses (1)

Write a response

{"instant":{"epochSecond":1739168575,"nanoOfSecond":151405700},"thread":"restartedMain","level":"WARN","loggerName":"org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext","message":"Exception encountered…

--