Support Kotlin 2.0

[technoir42]

I'm facing the following error when running a test against Kotlin 2.0.10-RC2:

java.lang.NoSuchFieldError: DEFAULT
	at com.tschuchort.compiletesting.KotlinCompilation.<init>(KotlinCompilation.kt:143)

KotlinCompilation is trying to access JvmDefaultMode.DEFAULT:

var jvmDefault: String = JvmDefaultMode.DEFAULT.description

JvmDefaultMode no longer has DEFAULT in Kotlin 2.0.10-RC2:

package org.jetbrains.kotlin.config

enum class JvmDefaultMode(val description: String) {
    DISABLE("disable"),
    ALL_COMPATIBILITY("all-compatibility"),
    ALL("all");
}

[NeonMika]

I have the same issue.

See https://plugins.jetbrains.com/docs/intellij/api-changes-list-2024.html#kotlin-plugin-20241

org.jetbrains.kotlin.config.JvmDefaultMode.DEFAULT field removed
Use org.jetbrains.kotlin.config.JvmDefaultMode.DISABLE.

[technoir42]

I switched to this fork which supports Kotlin 2.0: https://github.com/ZacSweers/kotlin-compile-testing

[IceBlizz6]

Would be great if this could be solved in the near future, i'm working on multiple KSP projects that could benefit from this.

I switched to this fork which supports Kotlin 2.0: https://github.com/ZacSweers/kotlin-compile-testing

Could you provide some sample code that works in 2.0 for this fork?
it seems to just ignore my symbol processor.

[solonovamax]

A solution for KSP can be found here: ZacSweers#296 (comment)