id summary reporter owner description type status component version severity resolution keywords cc stage has_patch needs_docs needs_tests needs_better_patch easy ui_ux 23714 Django-1.7 doesn't display 500 error pages during DST change Markus Bertheau nobody "When an exception, that would normally - with `DEBUG=True` - be displayed in the detailed 500 page, occurs during the DST/no-DST ambiguous hour of the geographical area that is set as TIMEZONE, the handler crashes with `AmbiguousTimeError`. This seriously limits the ability of many developers to develop and Django applications for a time span of 1/8760 of the year. This is unacceptable! ^^ {{{ 2014-10-26 02:40:14,104 ERROR django.request :handle_uncaught_exception 231 Internal Server Error: /dashboard/suppliers/ Traceback (most recent call last): File ""/home/markus/src/django/django/core/handlers/base.py"", line 111, in get_response response = wrapped_callback(request, *callback_args, **callback_kwargs) File ""/home/markus/src/django/django/db/transaction.py"", line 394, in inner return func(*args, **kwargs) File ""/home/markus/src/django/django/contrib/auth/decorators.py"", line 22, in _wrapped_view return view_func(request, *args, **kwargs) File ""/home/markus/src/django/django/contrib/auth/decorators.py"", line 22, in _wrapped_view return view_func(request, *args, **kwargs) File ""/home/markus/src/django/django/views/generic/base.py"", line 69, in view return self.dispatch(request, *args, **kwargs) File ""/home/markus/src/django/django/views/generic/base.py"", line 87, in dispatch return handler(request, *args, **kwargs) File ""/home/markus/src/django/django/views/generic/list.py"", line 145, in get self.object_list = self.get_queryset() File ""/home/markus/src/machtfit/apps/dashboard/supplier/views.py"", line 44, in get_queryset .annotate(num_orders=Count('partner__order_line'))) File ""/home/markus/src/django/django/db/models/query.py"", line 802, in annotate is_summary=False) File ""/home/markus/src/django/django/db/models/sql/query.py"", line 1012, in add_aggregate field_list, opts, self.get_initial_alias()) File ""/home/markus/src/django/django/db/models/sql/query.py"", line 1419, in setup_joins names, opts, allow_many, fail_on_missing=True) File ""/home/markus/src/django/django/db/models/sql/query.py"", line 1383, in names_to_path self.raise_field_error(opts, name) File ""/home/markus/src/django/django/db/models/sql/query.py"", line 1389, in raise_field_error ""Choices are: %s"" % (name, "", "".join(available))) FieldError: Cannot resolve keyword u'order_line' into field. Choices are: Traceback (most recent call last): File ""/usr/lib/python2.7/wsgiref/handlers.py"", line 85, in run self.result = application(self.environ, self.start_response) File ""/home/markus/src/django/django/contrib/staticfiles/handlers.py"", line 64, in __call__ return self.application(environ, start_response) File ""/home/markus/src/django/django/core/handlers/wsgi.py"", line 187, in __call__ response = self.get_response(request) File ""/home/markus/src/django/django/core/handlers/base.py"", line 199, in get_response response = self.handle_uncaught_exception(request, resolver, sys.exc_info()) File ""/home/markus/src/django/django/core/handlers/base.py"", line 236, in handle_uncaught_exception return debug.technical_500_response(request, *exc_info) File ""/home/markus/src/django/django/views/debug.py"", line 91, in technical_500_response html = reporter.get_traceback_html() File ""/home/markus/src/django/django/views/debug.py"", line 350, in get_traceback_html return t.render(c) File ""/home/markus/src/django/django/template/base.py"", line 148, in render return self._render(context) File ""/home/markus/src/django/django/test/utils.py"", line 88, in instrumented_test_render return self.nodelist.render(context) File ""/home/markus/src/django/django/template/base.py"", line 844, in render bit = self.render_node(node, context) File ""/home/markus/src/django/django/template/debug.py"", line 80, in render_node return node.render(context) File ""/home/markus/src/django/django/template/debug.py"", line 90, in render output = self.filter_expression.resolve(context) File ""/home/markus/src/django/django/template/base.py"", line 624, in resolve new_obj = func(obj, *arg_vals) File ""/home/markus/src/django/django/template/defaultfilters.py"", line 769, in date return format(value, arg) File ""/home/markus/src/django/django/utils/dateformat.py"", line 343, in format return df.format(format_string) File ""/home/markus/src/django/django/utils/dateformat.py"", line 35, in format pieces.append(force_text(getattr(self, piece)())) File ""/home/markus/src/django/django/utils/dateformat.py"", line 268, in r return self.format('D, j M Y H:i:s O') File ""/home/markus/src/django/django/utils/dateformat.py"", line 35, in format pieces.append(force_text(getattr(self, piece)())) File ""/home/markus/src/django/django/utils/dateformat.py"", line 136, in O seconds = self.Z() File ""/home/markus/src/django/django/utils/dateformat.py"", line 189, in Z offset = self.timezone.utcoffset(self.data) File ""/home/markus/.virtualenvs/machtfit/local/lib/python2.7/site-packages/pytz/tzinfo.py"", line 406, in utcoffset dt = self.localize(dt, is_dst) File ""/home/markus/.virtualenvs/machtfit/local/lib/python2.7/site-packages/pytz/tzinfo.py"", line 349, in localize raise AmbiguousTimeError(dt) AmbiguousTimeError: 2014-10-26 02:40:14.190834 }}}" Uncategorized new Uncategorized 1.7 Normal Unreviewed 0 0 0 0 0 0