NodeRevisionDescriptors can't return a listing of all past versions.Peter promise **We planned to convenience methods to the kernel's API [maybe at NodeRevisionDescriptors?] for accessing DeltaV-related data.*** More about this please come here: ***http://www.mail-archive.com/slide-user@jakarta.apache.org/msg03714.html*** I want to know where you will do? When slide 2.0 release,it will fix. Thanks!