Loading conf/artanis.conf...done.
DEBUG: ON
Initilizing session backend `SIMPLE'...
Session with SIMPLE backend init done!
Loading models...
Loading controllers...
Loading restful API...
Regenerating route cache ...
Server core: ragnarok
http://127.0.0.1:1234
Anytime you want to quit just try Ctrl+C, thanks!
Loading server engine 'ragnarok' ...
Using Non-Blocking I/O
Installed suspendable ports
Starting `ragnarok' engine loader ...
Enter ragnarok-http-gateway-run
Listen socket is #<input-output: socket 16>
generating work-table
Prepare for regnarok-open
Added listenning port to epoll
Prepare for main-loop
Checking event (0 . 1)
listenning-port? (0 . 1)
Is listen-socket? 0 ?= #<input-output: socket 16>
The fd 0 has no task, close it!
Check if event 0 exists
The event 0 doesn't exist
The client (0 . 1) is ready to shutdown
Checking event (0 . 1)
listenning-port? (0 . 1)
Is listen-socket? 0 ?= #<input-output: socket 16>
The fd 0 has no task, close it!
Check if event 0 exists
The event 0 doesn't exist
Backtrace:
          12 (apply-smob/1 #<catch-closure aaaae8b9eda0>)
In ice-9/boot-9.scm:
    705:2 11 (call-with-prompt _ _ #<procedure default-prompt-handle…>)
In ice-9/eval.scm:
    619:8 10 (_ #(#(#<directory (guile-user) aaaae8c32140>)))
In /usr/bin/art:
    42:12  9 (_ _ _)
In artanis/commands/work.scm:
    144:8  8 (work . _)
In artanis/server/ragnarok.scm:
   624:10  7 (establish-http-gateway _)
   444:27  6 (ragnarok-http-gateway-run _)
    414:6  5 (get-one-request-from-clients #<r6rs:record:ragnarok-p…> …)
    218:4  4 (fill-ready-queue-from-service _ #<r6rs:record:ragnarok…>)
In ice-9/boot-9.scm:
   260:13  3 (for-each #<procedure aaaae950f5d0 at artanis/server/r…> …)
In artanis/server/ragnarok.scm:
   247:16  2 (_ (0 . 1))
In artanis/server/epoll.scm:
    227:8  1 (remove-if-exists-in-epoll 17 0)
   213:12  0 (epoll-ctl 17 _ 0 _ #:check-exists? _)

artanis/server/epoll.scm:213:12: In procedure epoll-ctl:
Throw to key `artanis-err' with args `(500 #<procedure epoll-ctl (epfd op fd event #:key check-exists?)> "~a: ~a" (17 2 0 #f "Bad file descriptor") (9))'.