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spring-boot-migration

Migrate Spring Boot 2.x projects to 3.x with Jakarta namespace and dependency updates.

4|Updated Feb 22, 2026
Search Tags:#migration#openrewrite#spring-boot#pom.xml#java-17#jakarta
One-click install
npx skills add https://github.com/GeneralReasoning/env-skillsbench --skill spring-boot-migration-generalreasoning
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: spring-boot-migration
Source: https://github.com/GeneralReasoning/env-skillsbench/tree/main/spring-boot-jakarta-migration/environment/skills/spring-boot-migration
Command: npx skills add https://github.com/GeneralReasoning/env-skillsbench --skill spring-boot-migration-generalreasoning

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Migrating Spring Boot 2.x applications to Spring Boot 3.x to address Jakarta EE namespace changes, deprecated JAXB usage, and Java version upgrades, while aligning with modern toolchains.

Core Features & Use Cases

  • Guidance for updating pom.xml versions and dependency changes, including removal of JAXB-related artifacts.
  • Step-by-step migration plan that covers Java version upgrades and optional OpenRewrite automation for large projects.
  • Real-world applicability to projects transitioning from Spring Boot 2.x to 3.x with minimal downtime and validated migration checklists.

Quick Start

Upgrade to Spring Boot 3.x and Java 17/21, then apply the migration plan using OpenRewrite or manual changes.

Frequently Asked Questions about spring-boot-migration

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I migrate a Spring Boot 2.x application to Spring Boot 3.x?▼

To migrate Spring Boot 2.x to 3.x, update your pom.xml versions, enforce removal of old javax.xml.bind JAXB artifacts, migrate to jakarta namespaces, and upgrade your Java version to 17 or 21.

Why do I need to remove JAXB dependencies for a Spring Boot 3.x migration?▼

Spring Boot 3.x migration requires removing JAXB dependencies because old javax.xml.bind artifacts are deprecated, and the framework now mandates migrating to the new jakarta namespaces for modern toolchain alignment.

Can I use OpenRewrite to automate Jakarta namespace changes in my pom.xml?▼

Yes, you can use OpenRewrite to automate Jakarta namespace changes and pom.xml updates, which is particularly effective for applying migration plans across large projects with minimal manual effort.

Does Spring Boot 3.x migration require upgrading to Java 17?▼

Yes, Spring Boot 3.x migration requires a Java version upgrade to Java 17 or 21, as the framework aligns with modern toolchains and mandates the updated Java baseline for compatibility.

What is the best way to validate a Spring Boot 3.x migration after updating dependencies?▼

The best way to validate a Spring Boot 3.x migration is by applying a provided migration checklist, ensuring all Jakarta namespace changes, Java version upgrades, and pom.xml dependency removals are correctly implemented.

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