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build-native-image-gradle

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Build GraalVM native images using Gradle Native Build Tools. Use this skill to build Java applications with Gradle, configure native-image build.gradle settings, or resolve build or runtime issues.

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Source SKILL.md: https://github.com/oracle/graal/blob/HEAD/substratevm/skills/build-native-image-gradle/SKILL.md

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Gradle Native Image Build

Prerequisites

  • Set JAVA_HOME to a GraalVM JDK installation so Gradle Native Build Tools can find native-image.
  • Do not require GRAALVM_HOME in the normal case. Only mention it if the user already relies on it or their environment needs an explicit override.
  • Apply the application, java-library, or java plugin along with org.graalvm.buildtools.native.

Plugin Setup

Groovy DSL:

plugins {
    id 'application'
    id 'org.graalvm.buildtools.native' version '0.11.1'
}

Kotlin DSL:

plugins {
    application
    id("org.graalvm.buildtools.native") version "0.11.1"
}

Build and Run

./gradlew nativeCompile   # Build to build/native/nativeCompile/
./gradlew nativeRun       # Build and run the native executable
./gradlew nativeTest      # Build and run JUnit tests as a native image

Build or Runtime Failures

If the build fails with class initialization, linking errors, memory issues, or the binary behaves incorrectly at runtime, see references/native-image-build-gradle-options.md.

Native Testing

If nativeTest fails or you need to configure native JUnit tests or custom test suites, see references/testing.md.

Missing Reachability Metadata

If a build or runtime error reports missing reflection, resource, serialization, or JNI registrations, see references/reachability-metadata.md.

Reference Files

TopicFile
DSL options and build argumentsreferences/native-image-build-gradle-options.md
Missing reachability metadatareferences/reachability-metadata.md
Native testingreferences/testing.md