#37022: manage.py runserver fails with "nodename nor servname provided" when run
using an rfc6761 hostname
-------------------------------+--------------------------------------
Reporter: Chris Rose | Owner: (none)
Type: Uncategorized | Status: closed
Component: Utilities | Version: 5.2
Severity: Normal | Resolution: worksforme
Keywords: dns runserver | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------+--------------------------------------
Comment (by Tim Graham):
It also works on my system (Ubuntu 24.04):
{{{
$ ping nomnom.dev.localhost
PING nomnom.dev.localhost (::1) 56 data bytes
64 bytes from ip6-localhost (::1): icmp_seq=1 ttl=64 time=0.038 ms
$ dig nomnom.dev.localhost
; <<>> DiG 9.18.39-0ubuntu0.24.04.3-Ubuntu <<>> nomnom.dev.localhost
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 24028
;; flags: qr aa rd ra ad; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;nomnom.dev.localhost. IN A
;; ANSWER SECTION:
nomnom.dev.localhost. 0 IN A 127.0.0.1
;; Query time: 0 msec
;; SERVER: 127.0.0.53#53(127.0.0.53) (UDP)
;; WHEN: Sat Apr 04 12:36:37 EDT 2026
;; MSG SIZE rcvd: 65
}}}
To see a traceback, edit the `except OSError as e:` line in
`django/core/management/runserver.py`. Here's an example if I use an
invalid hostname:
{{{
Traceback (most recent call last):
File "/usr/lib/python3.12/threading.py", line 1073, in _bootstrap_inner
self.run()
File "/usr/lib/python3.12/threading.py", line 1010, in run
self._target(*self._args, **self._kwargs)
File "/home/tim/code/django/django/utils/autoreload.py", line 83, in
wrapper
raise e
File "/home/tim/code/django/django/utils/autoreload.py", line 66, in
wrapper
fn(*args, **kwargs)
File
"/home/tim/code/django/django/core/management/commands/runserver.py", line
144, in inner_run
run(
File "/home/tim/code/django/django/core/servers/basehttp.py", line 265,
in run
httpd = httpd_cls(server_address, WSGIRequestHandler, ipv6=ipv6)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/tim/code/django/django/core/servers/basehttp.py", line 78,
in __init__
super().__init__(*args, **kwargs)
File "/usr/lib/python3.12/socketserver.py", line 457, in __init__
self.server_bind()
File "/usr/lib/python3.12/wsgiref/simple_server.py", line 50, in
server_bind
HTTPServer.server_bind(self)
File "/usr/lib/python3.12/http/server.py", line 136, in server_bind
socketserver.TCPServer.server_bind(self)
File "/usr/lib/python3.12/socketserver.py", line 473, in server_bind
self.socket.bind(self.server_address)
socket.gaierror: [Errno -2] Name or service not known
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/37022#comment:5>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.
--
You received this message because you are subscribed to the Google Groups
"Django updates" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To view this discussion visit
https://groups.google.com/d/msgid/django-updates/0107019d596e10a1-25cdd29b-40ff-49be-8040-95c96cdb17d3-000000%40eu-central-1.amazonses.com.
