Execution failed for task ':compileKotlin' (gradle)

Support
1

Hi.
Im trying to compile my project through the command line. It compiles successfully in intellij, but not in command line.
Whenever I run: “gradle build” and “gradlew build”
I get this error:

> Task :compileKotlin FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':compileKotlin'.
> Failed to query the value of task ':compileKotlin' property 'compilerRunner$kotlin_gradle_plugin'.
   > Kotlin could not find the required JDK tools in the Java installation. Make sure Kotlin compilation is running on a JDK, not JRE.

My program versions:
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Here is my build.gradle.kts file

plugins {
    kotlin("jvm") version "1.6.10"
    kotlin("plugin.serialization") version "1.6.10"
    id("org.jlleitschuh.gradle.ktlint") version "10.2.1"
}

repositories {
    mavenCentral()
}

dependencies {
    implementation(group = "org.http4k", name = "http4k-core", version = "4.20.2.0")
    implementation(group = "org.http4k", name = "http4k-server-jetty", version = "4.20.2.0")
    implementation(group = "org.jetbrains.kotlinx", name = "kotlinx-serialization-json", version = "1.3.2")
    implementation(group = "org.jetbrains.kotlinx", name = "kotlinx-datetime", version = "0.3.2")
    implementation(group = "org.slf4j", name = "slf4j-api", version = "2.0.0-alpha5")
    runtimeOnly(group = "org.slf4j", name = "slf4j-simple", version = "2.0.0-alpha5")
    implementation(group = "org.postgresql", name = "postgresql", version = "42.+")
    implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.3.2")
    testImplementation(kotlin("test"))
}

tasks.register<Copy>("copyRuntimeDependencies") {
    into("build/libs")
    from(configurations.runtimeClasspath)
}

It runs the “gradle clean” and “gradlew clean” successfully. I tried deleting the .gradle folder an doing it all over again, etc. Nothing… im trying to solve this for hours. Can the wonderful and amazing kotlin community help me? Thanks!

2

You probably use JRE instead of JDK for compillation. Please ensure, you use JDK.

3

Thanks you. My JAVA_HOME was pointing to JRE, but it should point to a JDK.

1 Like
4

Please tell me how you changed the version and where? I have the same error, but the project itself is on REACT-NATIVE

5

install JDK Java Archive Downloads - Java SE 19 and make sure you are running Gradle 7.6 or higher