I was told that InvalidPathException is a JRE 1.7 feature. Thus it does not work with JRE 1.6 installed on Debian testing/jessie.
-- Victor Porton - http://portonvictor.org __ This is the maintainer address of Debian's Java team <http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-java-maintainers>. Please use debian-j...@lists.debian.org for discussions and questions.