I found the root cause of this issue. It is the structure of the tar.gz that is problematic. I have submitted a patch to upstream build.xml at [1]. But untill it is fixed upstream I will have to patch build.xml in Debian packaging.
[1] https://sourceforge.net/tracker/?group_id=20024&atid=320024 Cheers, Onkar -- Passion - Some people climb mountains - others write Free software. Don't ask why - the reason is the same. -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org