In the last day or so, hitting the Recent page in my list archives results in a spinner and an error message:

Internal Server Error: /mailman3/hyperkitty/list/trackjunkies@pdc-racing.net <mailto:mailman3/hyperkitty/list/trackjunkies@pdc-racing.net>/recent-threads

AttributeError at /hyperkitty/list/trackjunkies@pdc-racing.net <mailto:hyperkitty/list/trackjunkies@pdc-racing.net>/recent-threads 'NoneType' object has no attribute 'subject'

Request Method: GET Request URL: https://mail.pdc-racing.net/mailman3/hyperkitty/list/trackjunkies@pdc-racing... <https://mail.pdc-racing.net/mailman3/hyperkitty/list/trackjunkies@pdc-racing.net/recent-threads> Django Version: 2.2.12 Python Executable: /usr/bin/uwsgi-core Python Version: 3.8.2 Python Path: ['.', '', '/usr/lib/python38.zip', '/usr/lib/python3.8', '/usr/lib/python3.8/lib-dynload', '/usr/local/lib/python3.8/dist-packages', '/usr/lib/python3/dist-packages'] Server time: Thu, 18 Jun 2020 08:58:02 -0700 Installed Applications: ('hyperkitty', 'postorius', 'django_mailman3', 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.sites', 'django.contrib.messages', 'django.contrib.staticfiles', 'rest_framework', 'django_gravatar', 'compressor', 'haystack', 'django_extensions', 'django_q', 'allauth', 'allauth.account', 'allauth.socialaccount', 'django_mailman3.lib.auth.fedora') Installed Middleware: ('django.contrib.sessions.middleware.SessionMiddleware', 'django.middleware.common.CommonMiddleware', 'django.middleware.csrf.CsrfViewMiddleware', 'django.middleware.locale.LocaleMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', 'django.contrib.messages.middleware.MessageMiddleware', 'django.middleware.clickjacking.XFrameOptionsMiddleware', 'django.middleware.security.SecurityMiddleware', 'django_mailman3.middleware.TimezoneMiddleware', 'postorius.middleware.PostoriusMiddleware')

Traceback:

File "/usr/lib/python3/dist-packages/django/template/base.py" in _resolve_lookup 829. current = current[bit]

During handling of the above exception ('Thread' object is not subscriptable), another exception occurred:

File "/usr/lib/python3/dist-packages/django/core/handlers/exception.py" in inner 34. response = get_response(request)

File "/usr/lib/python3/dist-packages/django/core/handlers/base.py" in _get_response 115. response = self.process_exception_by_middleware(e, request)

File "/usr/lib/python3/dist-packages/django/core/handlers/base.py" in _get_response 113. response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/usr/lib/python3/dist-packages/hyperkitty/lib/view_helpers.py" in inner 135. return func(request, *args, **kwargs)

File "/usr/lib/python3/dist-packages/hyperkitty/views/mlist.py" in overview_recent_threads 194. return render(request, "hyperkitty/fragments/overview_threads.html", {

File "/usr/lib/python3/dist-packages/django/shortcuts.py" in render 36. content = loader.render_to_string(template_name, context, request, using=using)

File "/usr/lib/python3/dist-packages/django/template/loader.py" in render_to_string 62. return template.render(context, request)

File "/usr/lib/python3/dist-packages/django/template/backends/django.py" in render 61. return self.template.render(context)

File "/usr/lib/python3/dist-packages/django/template/base.py" in render 171. return self._render(context)

File "/usr/lib/python3/dist-packages/django/template/base.py" in _render 163. return self.nodelist.render(context)

File "/usr/lib/python3/dist-packages/django/template/base.py" in render 937. bit = node.render_annotated(context)

File "/usr/lib/python3/dist-packages/django/template/base.py" in render_annotated 904. return self.render(context)

File "/usr/lib/python3/dist-packages/django/template/defaulttags.py" in render 309. return nodelist.render(context)

File "/usr/lib/python3/dist-packages/django/template/base.py" in render 937. bit = node.render_annotated(context)

File "/usr/lib/python3/dist-packages/django/template/base.py" in render_annotated 904. return self.render(context)

File "/usr/lib/python3/dist-packages/django/template/defaulttags.py" in render 209. nodelist.append(node.render_annotated(context))

File "/usr/lib/python3/dist-packages/django/template/base.py" in render_annotated 904. return self.render(context)

File "/usr/lib/python3/dist-packages/django/template/base.py" in render 987. output = self.filter_expression.resolve(context)

File "/usr/lib/python3/dist-packages/django/template/base.py" in resolve 671. obj = self.var.resolve(context)

File "/usr/lib/python3/dist-packages/django/template/base.py" in resolve 796. value = self._resolve_lookup(context)

File "/usr/lib/python3/dist-packages/django/template/base.py" in _resolve_lookup 837. current = getattr(current, bit)

File "/usr/lib/python3/dist-packages/hyperkitty/models/thread.py" in subject 108. return self.cached_values"subject"

File "/usr/lib/python3/dist-packages/hyperkitty/models/common.py" in __call__ 59. return self.get_or_set(*args, **kwargs)

File "/usr/lib/python3/dist-packages/hyperkitty/models/common.py" in get_or_set 55. value = self.rebuild(*args, **kwargs)

File "/usr/lib/python3/dist-packages/hyperkitty/models/common.py" in rebuild 47. value = self.get_value(*args, **kwargs)

File "/usr/lib/python3/dist-packages/hyperkitty/models/thread.py" in get_value 223. return self.instance.starting_email.subject

Exception Type: AttributeError at /hyperkitty/list/trackjunkies@pdc-racing.net <mailto:hyperkitty/list/trackjunkies@pdc-racing.net>/recent-threads Exception Value: 'NoneType' object has no attribute 'subject' Request information: USER: admin

Thoughts? Other than that I really need to migrate off the Ubuntu packages and into the latest docker image. 😁

• Mark

mark@pdc-racing.net | 408-348-2878