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Project is

kotlin("jvm") version "1.6.10"

with gradle 6.8 Plugin is 1.6.21 built with gradle 7.4

kotlin("jvm") version "1.6.10"

should not be mixed in with Gradle plugin/task development; that is via `kotlin-dsl`and pulls in the Gradle-embedded kotlin.

Hi Chris. Just back to this from a long weekend. Not sure I fully understand. Should I add kotlin-dsl and remove the kotlin("jvm") part?

correct.

kotlin-dsl

provides the Gradle-appropriate Kotlin libs (and includes

java-gradle-plugin

as well).

I need the app to have the kotlin version 1.6.10 however so something still seems off. I tried as you mentioned but got the same error: My plugins section looks like this:

plugins {
    java
    `kotlin-dsl`
    // kotlin("jvm") version "1.6.10"

     id("com.ea.gradle.gradle-plugin.assertscans.healthycode.HealthyCodeScan") version "6.5.2-SNAPSHOT"
}

two different things. Plugin/task development projects use

kotlin-dsl

. Application projects (that use Kotlin) use

kotlin("jvm")

I might have explained this poorly. The plugin is done and written and works in other projects. This other application project I'm adding it to generates the

Execution failed for task ':healthyCodeScan'. > kotlin/jvm/JvmInline

So adding kotlin-dsl to the application project isn't what I need.

Ah. It looks like your published plugin is for an incompatible version of Gradle.

app project is 1.6.10 and the plugin is 1.6.21.

what Gradle version was the plugin compiled with? What Gradle version are you running the plugin on?

plugin is 7.4 and the app is 6.8

yep. The Kotlin version in 6.8 is a mismatch to the plugin/7.4 version.

Thanks Chris!

this appears to be what is tripping you up; proper fix is to provide Kotlin 1.5+, which is Gradle 7.2+.

FYI, downgrading Jackson in the plugin from 2.13 to 2.12 did the trick here so the app did not need to change.