Quoting myself on #wikimedia-tech (UTC-3):
19:43 : Lugusto ¦ I'm getting an error if I try to create a new pdf using the book tool from pt.wikipedia
19:43 : Lugusto ¦ "The POST request to http://pdf1.wikimedia.org:8080/mw-serve/ failed (Empty reply from server). "
Two hours later someone have reported the same issue on #wikimedia-tech
Version: unspecified
Severity: normal