See the build.xml for requisite JARs.

- commons-beanutils.jar - Jakarta Commons BeanUtils 1.2
- commons-collections.jar - Jakarta Commons Collections 1.0
- commons-digester.jar - Jakarta Commons Digester 1.1.1
- scaffold.jar - Jakarta Struts nightly build (see contrib folder)
- struts.jar - Jakarta Struts nightly build
- lucene.jar - Jakarta Lucene 1.2 RC 2
- poolman.jar - PoolMan 2.0.4
- validator.jar - Struts Validator

Also these tld's from the Struts distribution (above) placed in the /WEB-INF/lib folder with the JARs

- struts-bean.tld
- struts-html.tld
- struts-logic.tld