Java Maven Skill
Master Apache Maven for Java project builds and dependency management.
Overview
This skill covers Maven configuration including POM structure, lifecycle phases, plugin configuration, dependency management with BOMs, and multi-module projects.
When to Use This Skill
Use when you need to:
- •Configure Maven POM files
- •Manage dependencies with BOMs
- •Set up build plugins
- •Create multi-module projects
- •Troubleshoot build issues
Quick Reference
xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0">
<modelVersion>4.0.0</modelVersion>
<groupId>com.example</groupId>
<artifactId>my-app</artifactId>
<version>1.0.0-SNAPSHOT</version>
<properties>
<java.version>21</java.version>
<maven.compiler.source>${java.version}</maven.compiler.source>
<maven.compiler.target>${java.version}</maven.compiler.target>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-dependencies</artifactId>
<version>3.2.1</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-enforcer-plugin</artifactId>
<version>3.4.1</version>
</plugin>
</plugins>
</build>
</project>
Lifecycle Phases
code
validate → compile → test → package → verify → install → deploy
Useful Commands
bash
mvn dependency:tree # View dependencies mvn dependency:analyze # Find unused/undeclared mvn versions:display-dependency-updates # Check updates mvn help:effective-pom # View effective POM mvn -B verify # Batch mode build
Troubleshooting
| Problem | Solution |
|---|---|
| Dependency not found | Check repository, version |
| Version conflict | Use BOM or enforcer |
| Build OOM | Set MAVEN_OPTS=-Xmx1g |
Usage
code
Skill("java-maven")