Backtrace:
In ice-9/boot-9.scm:
1752:10 10 (with-exception-handler _ _ #:unwind? _ #:unwind-for-type _)
In unknown file:
9 (apply-smob/0 #<thunk 7fbf79c63600>)
In ice-9/boot-9.scm:
724:2 8 (call-with-prompt _ _ #<procedure default-prompt-handler (k proc)>)
In ice-9/eval.scm:
619:8 7 (_ #(#(#<directory (guile-user) 7fbf79c67c80>)))
In /gnu/store/99cvihsxnb8y89v5mdy2pjk1qixw7hbj-artanis-0.5.1/bin/.art-real:
42:12 6 (_ _ _)
In artanis/commands/work.scm:
141:8 5 (work . _)
In ice-9/boot-9.scm:
2835:4 4 (save-module-excursion _)
4380:12 3 (_)
In artanis/artanis.scm:
218:2 2 (init-server #:statics _ #:cache-statics? _ #:exclude _)
In artanis/config.scm:
669:11 1 (init-config)
549:10 0 (parse-namespace-cookie _)
artanis/config.scm:549:10: In procedure parse-namespace-cookie:
#<procedure parse-namespace-cookie (item)> "Config: Invalid item" (expires "3600")
It seems related to the cookie.expires = 3600 line in artanis.conf; with it commented out, art work then, well, works.
I don't think I remembered seeing anyone else report this so just mentioning it in case it wasn't known.