Dear List,As soon as a template "[list:user:notice:welcome]" exists, and at least one email address is provided during mass subscribe, while sending an invitation is disabled and sending a welcome message is enabled, the following error occurs:
HTTP Error 400: ('Connection aborted.', ConnectionResetError(104,
'Connection reset by peer'))
The new member(s) are added to the mailing list, but the welcome message is not sent. In the log file
</var/log/mailman3/mailman.log>, I find:
--------------- >8 ---------------[13/Mar/2025:08:09:49 +0100] "GET /3.1/lists/testliste.mailman.uni-konstanz.de HTTP/1.1" 200 422 "-" "GNU Mailman REST client v3.3.5"
Mar 13 08:09:49 2025 (1072) deque:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 705, in
urlopen
httplib_response = self._make_request(
^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 388, in
_make_request
self._validate_conn(conn)
File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 1050,
in _validate_conn
conn.connect()
File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 414, in
connect
self.sock = ssl_wrap_socket(
^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/urllib3/util/ssl_.py", line 449, in
ssl_wrap_socket
ssl_sock = _ssl_wrap_socket_impl(
^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/urllib3/util/ssl_.py", line 493, in
_ssl_wrap_socket_impl
return ssl_context.wrap_socket(sock, server_hostname=server_hostname)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/ssl.py", line 517, in wrap_socket
return self.sslsocket_class._create(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/ssl.py", line 1108, in _create
self.do_handshake()
File "/usr/lib/python3.11/ssl.py", line 1379, in do_handshake
self._sslobj.do_handshake()
ConnectionResetError: [Errno 104] Connection reset by peer
During handling of the above exception, another exception occurred:
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/requests/adapters.py", line 489, in send
resp = conn.urlopen(
^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 789, in
urlopen
retries = retries.increment(
^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/urllib3/util/retry.py", line 552, in
increment
raise six.reraise(type(error), error, _stacktrace)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/six.py", line 718, in reraise
raise value.with_traceback(tb)
File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 705, in
urlopen
httplib_response = self._make_request(
^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 388, in
_make_request
self._validate_conn(conn)
File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 1050,
in _validate_conn
conn.connect()
File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 414, in
connect
self.sock = ssl_wrap_socket(
^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/urllib3/util/ssl_.py", line 449, in
ssl_wrap_socket
ssl_sock = _ssl_wrap_socket_impl(
^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/urllib3/util/ssl_.py", line 493, in
_ssl_wrap_socket_impl
return ssl_context.wrap_socket(sock, server_hostname=server_hostname)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/ssl.py", line 517, in wrap_socket
return self.sslsocket_class._create(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/ssl.py", line 1108, in _create
self.do_handshake()
File "/usr/lib/python3.11/ssl.py", line 1379, in do_handshake
self._sslobj.do_handshake()
urllib3.exceptions.ProtocolError: ('Connection aborted.',
ConnectionResetError(104, 'Connection reset by peer'))
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/mailman/app/workflow.py", line 69, in
__next__
return step()
^^^^^^
File "/usr/lib/python3/dist-packages/mailman/app/subscriptions.py", line 362,
in _step_do_subscription
self.member = self.mlist.subscribe(
^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/mailman/database/transaction.py", line
106, in wrapper
return function(args[0], config.db.store, *args[1:], **kws)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/mailman/model/mailinglist.py", line 539,
in subscribe
notify(SubscriptionEvent(
File "/usr/lib/python3/dist-packages/zope/event/__init__.py", line 32, in
notify
subscriber(event)
File "/usr/lib/python3/dist-packages/mailman/app/membership.py", line 183, in
handle_SubscriptionEvent
send_welcome_message(mlist, member, member.preferred_language)
File "/usr/lib/python3/dist-packages/mailman/app/notifications.py", line 79,
in send_welcome_message
welcome_message = wrap(getUtility(ITemplateLoader).get(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/mailman/model/template.py", line 192, in
get
contents = getUtility(ITemplateManager).get(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/mailman/database/transaction.py", line
106, in wrapper
return function(args[0], config.db.store, *args[1:], **kws)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/mailman/model/template.py", line 114, in
get
contents = protocols.get(actual_uri, **auth)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/mailman/utilities/protocols.py", line
39, in get
response = requests.get(url, timeout=REQUEST_TIMEOUT, **kws)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/requests/api.py", line 73, in get
return request("get", url, params=params, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/requests/api.py", line 59, in request
return session.request(method=method, url=url, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/requests/sessions.py", line 587, in
request
resp = self.send(prep, **send_kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/requests/sessions.py", line 701, in send
r = adapter.send(request, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/requests/adapters.py", line 547, in send
raise ConnectionError(err, request=request)
requests.exceptions.ConnectionError: ('Connection aborted.',
ConnectionResetError(104, 'Connection reset by peer'))
[13/Mar/2025:08:09:49 +0100] "POST /3.1/members HTTP/1.1" 400 125 "-" "GNU Mailman
REST client v3.3.5"
[13/Mar/2025:08:09:49 +0100] "GET /3.1/lists/testli...@mailman.uni-konstanz.de/requests/count?token_owner=moderator
HTTP/1.1" 200 73 "-" "GNU Mailman REST client v3.3.5"
[13/Mar/2025:08:09:49 +0100] "GET /3.1/lists/testli...@mailman.uni-konstanz.de/held/count HTTP/1.1" 200 73 "-" "GNU
Mailman REST client v3.3.5"
--------------- 8< --------------- If no template "[list:user:notice:welcome]" exists, the default welcome message is sent without an error. Could you please help me to solve this issue? Your help would be much appreciated. Best regards, Markus Grandpré -- Markus Grandpré Mailinglisten-Administration, Universität Konstanz Kommunikations-, Informations-, Medienzentrum (KIM) Abteilung IT-Dienste Forschung, Lehre und Infrastruktur, Tel: ++49 7531 88 4342 -- Markus Grandpré Universität Konstanz Kommunikations-, Informations-, Medienzentrum (KIM) Abteilung IT-Dienste Forschung, Lehre und Infrastruktur, Tel: ++49 7531 88 4342
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