The library is a dependency of Hadoop, see Hadoop RFP[1] and Ubuntu Infos on Hadoop packaging[2]. Please be so kind to have a look at http://github.com/thkoch2001/pkg-debian-libxmlenc-java The package builds, is lintian clean and installs. Is it helpful for you, if I also upload it to mentors.d.o? [1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=535861 [2] https://wiki.ubuntu.com/HadoopPackagingSpec Best regards, Thomas Koch, http://www.koch.ro