Spring Boot 3.0 migration assistance. Use when upgrading Spring Boot from 2.7.x to 3.0, including: (1) Java 17+ requirement, (2) Jakarta EE 9 migration (javax.* to jakarta.*), (3) Spring Framework 6.0 changes, (4) auto-configuration file changes (spring.factories to AutoConfiguration.imports), (5) web URL matching changes, (6) actuator/metrics changes (httptrace renamed), (7) data access changes (Cassandra, Redis, Hibernate 6.1, Elasticsearch), (8) Spring Security 6.0, (9) Spring Batch 5.0, (10) removed deprecated dependencies. Triggered by: Spring Boot 3.0 migration, upgrade spring boot 3, spring boot 3 breaking changes.
zdry1460 스타2026. 4. 8.
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Pre-Migration Checklist
Upgrade to latest 2.7.x first — ensure you are on the newest 2.7.x before migrating
// v2.x — @ConstructorBinding at type level
@ConfigurationProperties(prefix = "app")
@ConstructorBinding
public class AppProperties { ... }
// v3.0 — remove @ConstructorBinding at type level
@ConfigurationProperties(prefix = "app")
public class AppProperties {
// @ConstructorBinding only needed if multiple constructors
}
Spring MVC URL Matching (v2.x → v3.0)
// v2.x — /greeting matched both with and without trailing slash
@GetMapping("/greeting")
// v3.0 — /greeting/ now 404s by default
// Option 1: Add explicit path
@GetMapping("/greeting", "/greeting/")
// Option 2: Re-enable trailing slash globally
@Configuration
public class WebConfiguration implements WebMvcConfigurer {
@Override
public void configurePathMatch(PathMatchConfigurer configurer) {
configurer.setUseTrailingSlashMatch(true);
}
}