As a quick introduction to pomegranate (I’m crushed for time today), here’s a quick diagram that shows the basic module structure for a typical pomegranate configuration.

Pomegranate is designed to solve the module versioning and classloader issues from an enterprise-application perspective. Although we’re doing a bit of classloader magic behind the scenes, the developer perspective is fairly simple and clean:

1. remove jars from your .war
2. drop them in Resin’s project-jars directory
3. declare jar dependencies in Maven .pom files
4. import them to your web-app with WEB-INF/pom.xml or in your resin-web.xml

Pomegranate resolves the module versions, and builds a classloader graph for the web-app. The module graph looks like the following: