Cannot inline bytecode built with JVM target 17 into bytecode that is being built with JVM target 1.8.

[jeusdi]

I'm getting this message on my neovim (default lazyvim with lotlin extra):

Cannot inline bytecode built with JVM target 17 into bytecode that is being built with JVM target 1.8. Please specify proper '-jvm-target' option kotlin (INLINE_FROM_HIGHER_PLATFORM) [10, 3]

I've installed kotin 2.0.0 and gradle 8.8.

My current gradle file is:

plugins {
	id("org.springframework.boot") version "3.3.0"
	id("io.spring.dependency-management") version "1.1.5"
	kotlin("jvm") version "1.9.24"
	kotlin("plugin.spring") version "1.9.24"
}

group = "me.jeusdi.slab.cleanddd"
version = "0.0.1-SNAPSHOT"

java {
	toolchain {
		languageVersion = JavaLanguageVersion.of(21)
	}
}

configurations {
	compileOnly {
		extendsFrom(configurations.annotationProcessor.get())
	}
}

repositories {
	mavenCentral()
}

dependencies {
	implementation("org.springframework.boot:spring-boot-starter-actuator")
	implementation("org.springframework.boot:spring-boot-starter-data-mongodb-reactive")
	implementation("org.springframework.boot:spring-boot-starter-webflux")
	implementation("com.fasterxml.jackson.module:jackson-module-kotlin")
	implementation("io.projectreactor.kotlin:reactor-kotlin-extensions")
	implementation("org.jetbrains.kotlin:kotlin-reflect")
	implementation("org.jetbrains.kotlinx:kotlinx-coroutines-reactor")
	compileOnly("org.projectlombok:lombok")
	annotationProcessor("org.projectlombok:lombok")
	testImplementation("org.springframework.boot:spring-boot-starter-test")
	testImplementation("io.projectreactor:reactor-test")
	testImplementation("org.jetbrains.kotlin:kotlin-test-junit5")
	testRuntimeOnly("org.junit.platform:junit-platform-launcher")
}

kotlin {
	compilerOptions {
		freeCompilerArgs.addAll("-Xjsr305=strict")
	}
}

tasks.withType<Test> {
	useJUnitPlatform()
}

Any ideas?

[quot]

It seems like the server doesn't pick up the target version from gradle properties. The error says to add a -jvm-target argument, but that does nothing from what I've tried.

Based on #128, I seem to have this fixed in Helix by specifying kotlin.compiler.jvm.target in the LSP config.

languages.toml:

[language-server.kotlin-language-server]
config = {kotlin.compiler.jvm.target = 21}