apetresc  filed a orphan request for apache-spark :
The maintainer appears to be inactive for about a year now, judging by his other packages. This particular one no longer builds because the source package is so old it has been removed from its mirrors. I'd like to adopt it.
 https://aur.archlinux.org/account/apetresc/  https://aur.archlinux.org/pkgbase/apache-spark/