smithery/neversight

gradle-9

Upgrade from Gradle 8.x to Gradle 9.x with plugin compatibility updates. Required for Java 25 support. Includes plugin version mappings and migration patterns.

Installation

$ npx skills add smithery/neversight --skill gradle-9

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More details

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Skill metadata

Parsed from SKILL.md frontmatter.

Version1.0.0
CompatibilityJava projects using Gradle 8.x
More metadata
version
1.0.0
technology
java
category
modernization
tags
["gradle","gradle-9","build","plugins"]

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 4,025 B
  • docs SUMMARY.md 175 B

History

  1. First recorded snapshot · 0 installs

SKILL.md

Gradle 9 Upgrade

Upgrade from Gradle 8.x to Gradle 9.x with all required plugin updates.

When to Use

  • Recommended for all projects - Gradle 9.2.1 is now the standard
  • Upgrading to Java 25 (requires Gradle 9.x)
  • Need Gradle 9 features
  • Current Gradle 8.x plugins are deprecated

Skill Contents

Sections

  • [When to Use](#when-to-use) (L22-L28)
  • [Target Versions](#target-versions) (L48-L60)
  • [Quick Start](#quick-start) (L61-L107)
  • [References](#references) (L108-L113)
  • [Plugin Migration Details](#plugin-migration-details) (L114-L155)
  • [Related Skills](#related-skills) (L156-L160)
  • [Related Commands](#related-commands) (L161-L167)

Available Resources

📚 references/ - Detailed documentation

  • [plugin compatibility](references/plugin-compatibility.md)

Target Versions

Component Gradle 8.x Gradle 9.x Notes
Gradle 8.14.3 9.2.1 Recommended for all projects
Lombok Plugin 8.14.2 9.2.0 Freefair for Gradle 9.2.1
Spotless 6.x 8.1.0 Major bump
SonarQube 6.x 7.2.2.6593 Major bump
Develocity 0.1.x 0.2.8 Compatibility
Flyway 10.x 11.19.0 If used
jOOQ 9.x 10.1.1 If used
Protobuf 0.9.x 0.9.6 Gradle 9 compatible

Quick Start

1. Update Gradle Wrapper

./gradlew wrapper --gradle-version=9.2.1

2. Update Plugin Versions

# gradle/libs.versions.toml
[plugins]
lombok = "io.freefair.lombok:9.2.0"
spotless = "com.diffplug.spotless:8.1.0"
sonarqube = "org.sonarqube:7.2.2.6593"
protobuf = "com.google.protobuf:0.9.6"
// settings.gradle
plugins {
    id 'bitso.develocity' version "${develocityPluginVersion}"  // 0.2.8
    id 'org.sonarqube' version "${sonarqubePluginVersion}"      // 7.2.2.6593
}

3. Add JUnit Platform Launcher

Required for JUnit 5.11+ with Gradle 9:

subprojects {
    plugins.withType(JavaPlugin).configureEach {
        dependencies {
            testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
        }
    }
}

4. Validate

./gradlew clean build test

References

Reference Content
[references/plugin-compatibility.md](references/plugin-compatibility.md) Plugin version mappings and known issues

Plugin Migration Details

Lombok Plugin (Freefair)

# Old (Gradle 8.x)
lombok = "io.freefair.lombok:8.14.2"

# New (Gradle 9.x)
lombok = "io.freefair.lombok:9.2.0"

Requires Lombok 1.18.42 for Java 25 bytecode support:

lombok {
    version = libs.versions.lombok.get()  // 1.18.42
}

Spotless

# Old (Gradle 8.x)
spotless = "com.diffplug.spotless:6.x"

# New (Gradle 9.x)
spotless = "com.diffplug.spotless:8.1.0"

For Java 25 formatting, use palantir-java-format 2.74.0.

SonarQube

# Old (Gradle 8.x)
sonarqube = "org.sonarqube:6.x"

# New (Gradle 9.x)
sonarqube = "org.sonarqube:7.2.2.6593"

Related Skills

  • spring-boot-3-5 - Upgrade Spring Boot first
  • java-25 - Java 25 requires Gradle 9

Related Commands

This skill is referenced by:

  • [/prepare-to-gradle-9](../../commands/prepare-to-gradle-9.md) - Prepare for Gradle 9 upgrade
  • [/prepare-to-java-25](../../commands/prepare-to-java-25.md) - Java 25 preparation (requires Gradle 9)

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