Spring-Webapps: shared resources and separated development/maven modules?

Question

I have two WARs, each one using Hibernate-Search+Lucene. As far as I understand it, that setup would produce two separate Hibernate und Lucene instances if loaded separately into tomcat etc.

The two WARs are generated by two separate maven modules. I want to keep that separation.

How do I merge the separate instances in production?

I thought about the maven-shade-plugin to merge the WARs. Is there a better of doing that, ie. a more automatic/more standard way?

Answer 1

Look at Maven WAR Overlays. What is the reason for defining two separate WAR files? General idea is to have Base WAR (shared resources?) and two customized WARs (diffs) for diffrent environment with Maven Overlays.