Dear list,

on our Mailman 3 system we are hitting the following error by clicking a link to admin/django_q/ormq/:

Server Error

The Log prints:

ERROR 2019-08-26 08:48:01,704 10311 django.request Internal Server Error: /admin/django_q/ormq/ Traceback (most recent call last): File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/db/models/options.py", line 566, in get_field return self.fields_map[field_name] KeyError: 'task_id'

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/contrib/admin/utils.py", line 276, in lookup_field f = _get_non_gfk_field(opts, name) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/contrib/admin/utils.py", line 307, in _get_non_gfk_field field = opts.get_field(name) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/db/models/options.py", line 568, in get_field raise FieldDoesNotExist("%s has no field named '%s'" % (self.object_name, field_name)) django.core.exceptions.FieldDoesNotExist: OrmQ has no field named 'task_id'

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/core/handlers/exception.py", line 35, in inner response = get_response(request) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/core/handlers/base.py", line 158, in _get_response response = self.process_exception_by_middleware(e, request) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/core/handlers/base.py", line 156, in _get_response response = response.render() File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/response.py", line 106, in render self.content = self.rendered_content File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/response.py", line 83, in rendered_content content = template.render(context, self._request) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/backends/django.py", line 61, in render return self.template.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 175, in render return self._render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 167, in _render return self.nodelist.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 943, in render bit = node.render_annotated(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 910, in render_annotated return self.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/loader_tags.py", line 155, in render return compiled_parent._render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 167, in _render return self.nodelist.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 943, in render bit = node.render_annotated(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 910, in render_annotated return self.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/loader_tags.py", line 155, in render return compiled_parent._render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 167, in _render return self.nodelist.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 943, in render bit = node.render_annotated(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 910, in render_annotated return self.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/loader_tags.py", line 67, in render result = block.nodelist.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 943, in render bit = node.render_annotated(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 910, in render_annotated return self.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/loader_tags.py", line 67, in render result = block.nodelist.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 943, in render bit = node.render_annotated(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 910, in render_annotated return self.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/library.py", line 214, in render _dict = self.func(*resolved_args, **resolved_kwargs) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/contrib/admin/templatetags/admin_list.py", line 326, in result_list 'results': list(results(cl))} File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/contrib/admin/templatetags/admin_list.py", line 302, in results yield ResultList(None, items_for_result(cl, res, None)) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/contrib/admin/templatetags/admin_list.py", line 293, in __init__ super().__init__(*items) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/contrib/admin/templatetags/admin_list.py", line 212, in items_for_result f, attr, value = lookup_field(field_name, result, cl.model_admin) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/contrib/admin/utils.py", line 289, in lookup_field value = attr() File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django_q/models.py", line 200, in task_id return self.task()['id'] File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django_q/models.py", line 194, in task return SignedPackage.loads(self.payload) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django_q/signing.py", line 31, in loads serializer=PickleSerializer) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django_q/core_signing.py", line 38, in loads return serializer().loads(data) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django_q/signing.py", line 44, in loads return pickle.loads(data) UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 1: ordinal not in range(128) ERROR 2019-08-26 08:48:01,704 10311 django.request Internal Server Error: /admin/django_q/ormq/ Traceback (most recent call last): File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/db/models/options.py", line 566, in get_field return self.fields_map[field_name] KeyError: 'task_id'

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/contrib/admin/utils.py", line 276, in lookup_field f = _get_non_gfk_field(opts, name) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/contrib/admin/utils.py", line 307, in _get_non_gfk_field field = opts.get_field(name) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/db/models/options.py", line 568, in get_field raise FieldDoesNotExist("%s has no field named '%s'" % (self.object_name, field_name)) django.core.exceptions.FieldDoesNotExist: OrmQ has no field named 'task_id'

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/core/handlers/exception.py", line 35, in inner response = get_response(request) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/core/handlers/base.py", line 158, in _get_response response = self.process_exception_by_middleware(e, request) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/core/handlers/base.py", line 156, in _get_response response = response.render() File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/response.py", line 106, in render self.content = self.rendered_content File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/response.py", line 83, in rendered_content content = template.render(context, self._request) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/backends/django.py", line 61, in render return self.template.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 175, in render return self._render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 167, in _render return self.nodelist.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 943, in render bit = node.render_annotated(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 910, in render_annotated return self.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/loader_tags.py", line 155, in render return compiled_parent._render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 167, in _render return self.nodelist.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 943, in render bit = node.render_annotated(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 910, in render_annotated return self.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/loader_tags.py", line 155, in render return compiled_parent._render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 167, in _render return self.nodelist.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 943, in render bit = node.render_annotated(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 910, in render_annotated return self.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/loader_tags.py", line 67, in render result = block.nodelist.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 943, in render bit = node.render_annotated(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 910, in render_annotated return self.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/loader_tags.py", line 67, in render result = block.nodelist.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 943, in render bit = node.render_annotated(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/base.py", line 910, in render_annotated return self.render(context) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/template/library.py", line 214, in render _dict = self.func(*resolved_args, **resolved_kwargs) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/contrib/admin/templatetags/admin_list.py", line 326, in result_list 'results': list(results(cl))} File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/contrib/admin/templatetags/admin_list.py", line 302, in results yield ResultList(None, items_for_result(cl, res, None)) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/contrib/admin/templatetags/admin_list.py", line 293, in __init__ super().__init__(*items) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/contrib/admin/templatetags/admin_list.py", line 212, in items_for_result f, attr, value = lookup_field(field_name, result, cl.model_admin) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django/contrib/admin/utils.py", line 289, in lookup_field value = attr() File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django_q/models.py", line 200, in task_id return self.task()['id'] File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django_q/models.py", line 194, in task return SignedPackage.loads(self.payload) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django_q/signing.py", line 31, in loads serializer=PickleSerializer) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django_q/core_signing.py", line 38, in loads return serializer().loads(data) File "/opt/mailman/mailman-venv/lib/python3.6/site-packages/django_q/signing.py", line 44, in loads return pickle.loads(data) UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 1: ordinal not in range(128)

Any ideas how to see the complete queue an maybe delete some defunct entries?