Severity: wishlist Please note that galera-3 in Debian is available only in unstable and testing at the moment: https://packages.debian.org/search?keywords=galera-3&searchon=names&suite=all§ion=all
Filing a bug about Jessie is a whishlist type of an issue as galera-3 is not available on Jessie. Galera builds fine on all Debian platforms it has been published for in official Debian repositories.