Migration to new Platform

Spring Boot 2.x to 3.1.x Migration Guides

Your successful path for migration to the latest Spring Boot 3.1.x

Mohamed Taman
13 min readMay 19, 2023

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Introduction

Spring Boot is a popular Java-based framework for building web applications and microservices. As with any software, keeping up with the latest updates and versions is vital to ensure your application remains secure, efficient, and up-to-date with the latest features and functionalities.

Recently, Spring Boot announced the release of version 3.1.x, which brings several new features, bug fixes, and enhancements. However, upgrading from version 2.x to 3.x can be daunting, especially for developers who are new to the framework or need more experience in upgrading.

In this blog, we will explore migrating from Spring Boot 2.x to 3.x, including the benefits of upgrading and the challenges developers may face during the migration process. We will also provide a step-by-step guide on migrating your Spring Boot application to version 3.x, highlighting the fundamental changes that need to be made to your codebase and configurations.

Whether you’re a developer, IT professional, or business leader looking to keep your Spring Boot application up-to-date, this blog will provide the insights and tools you need to migrate to Spring Boot 3.x successfully.

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Mohamed Taman

Solutions Architect @Magna, a Java Champion, Jakarta EE Ambassador, JCP, Consultant, Speaker & Author.