1. A system for application scoping in a server environment, comprising: an application server, together with a plurality of applications deployed on the application server, including for each application an enterprise archive file and a deployment descriptor file that specifies resources within the enterprise archive file; a computer readable medium that includes a directory tree stored thereon, wherein the directory tree further includes a global directory tree, that includes means for specifying resources that are accessible system-wide by all of the applications, and a plurality of application-private directory trees, including an application-private directory tree for each one of the plurality of applications, that specifies the resources in that application's enterprise archive file that are private to that one application, wherein the application-private directory trees are created by the system at deployment time using information in the application deployment descriptor files; and wherein the application server receives requests to access a resource, and looks up the resource in the application-private directory tree for that particular application, to provide access the resource in the application enterprise archive file.