Is it possible to use Lombok with Kotlin?

java kotlin lombok annotation-processing
ps-aux picture ps-aux · Sep 3, 2017 · Viewed 27k times · Source

I have a Kotlin Gradle project. I added Lombok as a dependency and also registred it with kapt

compileOnly("org.projectlombok:lombok:$lombokVersion")
kapt("org.projectlombok:lombok:$lombokVersion")

I would like to use just @Slf4j anotation for automatic log generation. It works for Java classes but not for the Kotlin ones.

Is using Kotling and Lombok together even possible as of now ?

EDIT: Adding more details

If I annotate a Kotlin classs with @Slf4j and use log inside it I get

Unresolved reference: log

Evidently no annotation processing is applied.

Answer

Michael Piefel picture Michael Piefel · Nov 3, 2017

Lombok does not run on your source code, but on the AST. Anyway, it is an annotation processor that is run at compile-time by the Java compiler. The Kotlin compiler does not use these annotation processors. See also the answer https://stackoverflow.com/a/35530223/2621917 straight from the horse’s mouth.

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