@ConfigurationProperties Spring Boot Configuration Annotation Processor not found in classpath

Question

I try to make completion for custom properties in Spring Boot.

I tried to create a simple project via IntelliJ IDEA 2016.3:

1. Created a new G

Answer 1

For Kotlin projects, the working configuration since Gradle 4.6 is using annotation processor

apply plugin: "kotlin-kapt"

dependencies {
    kapt("org.springframework.boot:spring-boot-configuration-processor:$springBootVersion")
    compileOnly("org.springframework.boot:spring-boot-configuration-processor:$springBootVersion")
}