I have just released 0.4.2 of libvirt java. This release fixes the NPE in xen Scheduled Parameters which was reported by Frederic Dangtran. You can access the latest version via the following means: Source Code: http://www.libvirt.org/git/?p=libvirt-java.git;a=summary Bundled Source (tarball and SRPM): http://libvirt.org/sources/java/ Maven: http://libvirt.org/maven2/. They should hit the central repo in a day or two. RPMS are making their way through the F12 and Rawhide build systems Thank you! -- bk