springdoc openapi 2.x migration guide

What's new in springdoc-openapi 2.x?

• Support for Jakarta EE 9
• Support Spring-Boot 3

Requirements

• springdoc-openapi 2 requires Java 17 as a minimum version and Spring Boot 3.x

Modules changes

• All the modules have been renamed
• springdoc-openapi-starter-common integrates many spring modules support in order to hide the maximum of complexity.
• It allows the support out of the box for Actuator / Spring Cloud Function / Spring Data Rest/ Spring Native/ Spring Hateoas / Spring Securtiy / Kotlin/ Javadoc

The following table describes the main modules changes:

springdoc-openapi-v1	springdoc-openapi-v2	Description
springdoc-openapi-common	springdoc-openapi-starter-common	Includes foundation springdoc-openapi features
springdoc-openapi-data-rest	springdoc-openapi-starter-common	For Spring Data Rest support
springdoc-openapi-groovy	springdoc-openapi-starter-common	For Groovy support
springdoc-openapi-hateoas	springdoc-openapi-starter-common	For Spring Hateoas support
springdoc-openapi-javadoc	springdoc-openapi-starter-common	For Javadoc support
springdoc-openapi-kotlin	springdoc-openapi-starter-common	For Kotlin support
springdoc-openapi-native	springdoc-openapi-starter-common	For Spring Native support
springdoc-openapi-security	springdoc-openapi-starter-common	For Spring Security support
springdoc-openapi-webmvc-core	springdoc-openapi-starter-webmvc-api	For Spring WebMvc support
springdoc-openapi-webflux-core	springdoc-openapi-starter-webflux-api	For Spring WebFlux support
springdoc-openapi-ui	springdoc-openapi-starter-webmvc-ui	For using the Swagger-UI in a Spring WebMvc context
springdoc-openapi-webflux-ui	springdoc-openapi-starter-webflux-ui	For using the Swagger-UI in a Spring WebFlux context

Important classes/annotations changes

springdoc-openapi-v1	springdoc-openapi-v2
org.springdoc.core.SpringDocUtils	org.springdoc.core.utils.SpringDocUtils
org.springdoc.api.annotations.ParameterObject	org.springdoc.core.annotations.ParameterObject
org.springdoc.core.GroupedOpenApi	org.springdoc.core.models.GroupedOpenApi
org.springdoc.core.customizers.OpenApiCustomiser	org.springdoc.core.customizers.OpenApiCustomizer
org.springdoc.core.Constants	org.springdoc.core.utils.Constants
org.springdoc.core.SwaggerUiConfigParameters	org.springdoc.core.properties.SwaggerUiConfigParameters

TIPs for the migration

The following modules are not anymore needed and can be removed:

• springdoc-openapi-data-rest
• springdoc-openapi-security
• springdoc-openapi-webmvc-core
• springdoc-openapi-webflux-core
• springdoc-openapi-hateoas
• springdoc-openapi-groovy

Replace springdoc-openapi-ui by springdoc-openapi-starter-webmvc-ui Replace springdoc-openapi-webflux-ui by springdoc-openapi-starter-webflux-ui