Free SKILL.md scraped from GitHub. Clone the repo or copy the file directly into your Claude Code skills directory.
npx versuz@latest install maven-buildgit clone https://github.com/majiayu000/claude-skill-registry.gitcp -r claude-skill-registry/skills/data/maven-build ~/.claude/skills/maven-build/---
name: maven-build
description: Maven build configuration for the crypto-scout multi-module Java 25 project
license: MIT
compatibility: opencode
metadata:
tool: maven
language: java
version: "25"
---
## What I Do
Provide guidance for building, testing, and packaging the crypto-scout multi-module Maven project.
## Project Structure
```
crypto-scout/
├── pom.xml # Root aggregator POM
├── crypto-scout-test/
│ └── pom.xml # Test library
├── crypto-scout-client/
│ └── pom.xml # Data collection service
├── crypto-scout-collector/
│ └── pom.xml # Data persistence service
└── crypto-scout-analyst/
└── pom.xml # Analysis service
```
## Build Commands
### Full Build
```bash
# Clean and build all modules
mvn clean install
# Build without tests (faster)
mvn -q -DskipTests install
```
### Module-Specific Builds
```bash
# Build specific module
cd crypto-scout-client
mvn clean package
# Build with dependency resolution from root
cd crypto-scout-collector
mvn clean package -DskipTests
```
### Testing
```bash
# Run all tests
mvn test
# Run tests for specific module
cd crypto-scout-test && mvn test
# Run single test class
mvn test -Dtest=AmqpPublisherTest
# Run single test method
mvn test -Dtest=AmqpPublisherTest#shouldPublishPayloadToStream
# Run with extended timeout (slow environments)
mvn -q -Dpodman.compose.up.timeout.min=5 test
# Custom database URL for tests
mvn -q -Dtest.db.jdbc.url=jdbc:postgresql://localhost:5432/crypto_scout test
```
### Clean Build
```bash
# Clean all modules
mvn clean
# Clean and rebuild single module
cd crypto-scout-client && mvn clean package -DskipTests
```
## POM Configuration
### Root POM (Aggregator)
```xml
<project>
<groupId>com.github.akarazhev.cryptoscout</groupId>
<artifactId>crypto-scout</artifactId>
<version>0.0.1</version>
<packaging>pom</packaging>
<modules>
<module>crypto-scout-test</module>
<module>crypto-scout-client</module>
<module>crypto-scout-collector</module>
<module>crypto-scout-analyst</module>
</modules>
</project>
```
### Module POM Structure
```xml
<project>
<parent>
<groupId>com.github.akarazhev.cryptoscout</groupId>
<artifactId>crypto-scout</artifactId>
<version>0.0.1</version>
</parent>
<artifactId>crypto-scout-client</artifactId>
<packaging>jar</packaging>
<properties>
<java.version>25</java.version>
<maven.compiler.release>25</maven.compiler.release>
<activej.version>6.0-rc2</activej.version>
<stream-client.version>1.4.0</stream-client.version>
</properties>
<build>
<plugins>
<!-- Compiler plugin -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.14.1</version>
<configuration>
<release>25</release>
</configuration>
</plugin>
<!-- Shade plugin for fat JAR -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.6.1</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<transformers>
<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>com.github.akarazhev.cryptoscout.Client</mainClass>
</transformer>
</transformers>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
```
## Key Dependencies by Module
### crypto-scout-test
- `jcryptolib` - JSON utilities
- `junit-jupiter` - JUnit 6 testing
- `stream-client` - RabbitMQ Streams
- `amqp-client` - RabbitMQ AMQP
- `postgresql` - PostgreSQL driver
### crypto-scout-client
- `jcryptolib` - JSON utilities, clients
- `activej-servicegraph` - DI and lifecycle
- `activej-jmx` - JMX monitoring
- `stream-client` - RabbitMQ Streams
### crypto-scout-collector
- `jcryptolib` - JSON utilities
- `activej-servicegraph` - DI and lifecycle
- `activej-jmx` - JMX monitoring
- `activej-datastream` - Data streaming
- `stream-client` - RabbitMQ Streams
- `amqp-client` - RabbitMQ AMQP
- `postgresql` - PostgreSQL driver
- `HikariCP` - Connection pooling
### crypto-scout-analyst
- Same as crypto-scout-collector
## Build Artifacts
### Output Locations
| Module | Artifact | Location |
|--------|----------|----------|
| crypto-scout-test | JAR library | `target/crypto-scout-test-0.0.1.jar` |
| crypto-scout-client | Fat JAR | `target/crypto-scout-client-0.0.1.jar` |
| crypto-scout-collector | Fat JAR | `target/crypto-scout-collector-0.0.1.jar` |
| crypto-scout-analyst | Fat JAR | `target/crypto-scout-analyst-0.0.1.jar` |
### Running Fat JARs
```bash
# crypto-scout-client
java -jar crypto-scout-client/target/crypto-scout-client-0.0.1.jar
# crypto-scout-collector
java -jar crypto-scout-collector/target/crypto-scout-collector-0.0.1.jar
# crypto-scout-analyst
java -jar crypto-scout-analyst/target/crypto-scout-analyst-0.0.1.jar
```
## Troubleshooting
### Build Failures
```bash
# Clear local repo and rebuild
rm -rf ~/.m2/repository/com/github/akarazhev
mvn clean install
# Debug dependency tree
mvn dependency:tree
# Check for updates
mvn versions:display-dependency-updates
```
### Test Failures
```bash
# Run with verbose output
mvn test -X
# Skip tests temporarily
mvn install -DskipTests
# Run specific test with debug
mvn test -Dtest=ClassName -Dmaven.surefire.debug
```
## When to Use Me
Use this skill when:
- Building the project for the first time
- Running tests across modules
- Creating new module POMs
- Troubleshooting build failures
- Configuring Maven plugins
- Understanding dependency management
- Packaging services for deployment