dIon Gillard Build and run plugin against the installed version of Maven remove empty pom:update goal Add missing xml-apis jar. Verify valid POM versions. Only "3" and "4" are currently allowed. Added support for validating different POM versions. Make pom:validate work again. The xerces upgrade broke jarv. Now using jing Upgrade to maven 1.0 beta 10 and dom4j 1.4 Upgrade to dom4j 1.4-dev-8 Bring back pom:validate