This version is still in development and is not considered stable yet. For the latest stable version, please use Spring Framework 6.1.8!

Resources

We recommend the following resources for people learning how to build applications with Kotlin and the Spring Framework:

Examples

The following Github projects offer examples that you can learn from and possibly even extend:

spring-boot-kotlin-demo: Regular Spring Boot and Spring Data JPA project
mixit: Spring Boot 2, WebFlux, and Reactive Spring Data MongoDB
spring-kotlin-functional: Standalone WebFlux and functional bean definition DSL
spring-kotlin-fullstack: WebFlux Kotlin fullstack example with Kotlin2js for frontend instead of JavaScript or TypeScript
spring-petclinic-kotlin: Kotlin version of the Spring PetClinic Sample Application
spring-kotlin-deepdive: A step-by-step migration guide for Boot 1.0 and Java to Boot 2.0 and Kotlin
spring-cloud-gcp-kotlin-app-sample: Spring Boot with Google Cloud Platform Integrations

The following list categorizes the pending issues related to Spring and Kotlin support: