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:
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[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/testliste@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/testliste@mailman.uni-konstanz.de/held/count HTTP/1.1" 200 73 "-" "GNU Mailman REST client v3.3.5"
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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