MarsSeed [1] filed a deletion request for openrtm-aist-java [2]: Orphan package from 2015 related to robotics. Its dependent and related libraries are unmaintained since same year and are broken. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/openrtm-aist-java/