Interesting. It happily made me a oracle-java8-jdk_8u102_amd64.deb. My versions are different though --
ii java-package 0.56 ii debhelper 9.20150101+deb8u2 ii dpkg-dev 1.17.27 ii fakeroot 1.20.2-1 ii libasound2 1.0.28-1 ii libx11-6 2:1.6.2-3 ii unzip 6.0-16+deb8u2 -- Mark The University of Dundee is a registered Scottish Charity, No: SC015096
