Spring Boot 4.x

Recipes for migrating to Spring Boot 4.

Composite Recipes

Recipes that include further recipes, often including the individual recipes below.

• Add Spring Boot 4.0 modular starter dependencies
• Add spring-boot-starter-data-mongodb-reactive-test for reactive MongoDB tests
• Add spring-boot-starter-data-mongodb-test for imperative MongoDB tests
• Migrate Spring Boot properties to 4.0
• Migrate Spring Boot properties to 4.1 (Community Edition)
• Migrate packages to modular starters
• Migrate to Spring Boot 4.0 (Community Edition)
• Migrate to Spring Boot 4.0 modular starters (Community Edition)
• Relocate Spring Boot web server classes to their Spring Boot 4.0 packages
• Rename Spring Boot 4.0 starters with managed versions
• Replace @MockBean and @SpyBean

Recipes

• Add @AutoConfigureMockMvc if necessary (Community Edition)
• Add @AutoConfigureTestRestTemplate if necessary
• Add @AutoConfigureWebTestClient if necessary
• Add spring-boot-starter-flyway if using Flyway
• Migrate OpenAPI Generator spring configuration to Spring Boot 4
• Migrate a Spring Boot 3 jackson-bom.version override to jackson-2-bom.version
• Migrate jsonschema2pojo configuration to Spring Boot 4
• Unwrap @MockBeans and @SpyBeans container annotations