With maven is it possible to have a top-level project who\'s packaging type is \"war\" which will build itself and all of its dependent modules (packaged as jar) and have the bu
Not really - (Well, I can think of a couple of ways, but I'd not use them as they're convoluted and go against the basic ethos/practices of Maven).
Don't forget that the other purpose of the top-level pom is to provide a single point to set common details such the particular versions of dependencies used in the modules of the project.