error occurs when create and destroy an instance

[zeddit]

The error messages are listed below, on a system of ubuntu 18.04:

For creating an instance:

Environment:


Request Method: POST
Request URL: http://****/computes/1/create/archs/x86_64/machines/pc/

Django Version: 2.2.13
Python Version: 3.6.9
Installed Applications:
['django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'bootstrap4',
 'django_icons',
 'accounts',
 'admin',
 'appsettings',
 'computes',
 'console',
 'create',
 'datasource',
 'networks',
 'instances',
 'interfaces',
 'nwfilters',
 'storages',
 'secrets',
 'logs']
Installed Middleware:
['django.middleware.security.SecurityMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.locale.LocaleMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'login_required.middleware.LoginRequiredMiddleware',
 'django.contrib.auth.middleware.RemoteUserMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware']



Traceback:

File "/srv/webvirtcloud/venv/lib/python3.6/site-packages/django/core/handlers/exception.py" in inner
  34.             response = get_response(request)

File "/srv/webvirtcloud/venv/lib/python3.6/site-packages/django/core/handlers/base.py" in _get_response
  115.                 response = self.process_exception_by_middleware(e, request)

File "/srv/webvirtcloud/venv/lib/python3.6/site-packages/django/core/handlers/base.py" in _get_response
  113.                 response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/srv/webvirtcloud/admin/decorators.py" in _inner
  8.         return function(request, *args, **kwargs)

File "/srv/webvirtcloud/create/views.py" in create_instance
  293.                                 return HttpResponseRedirect(reverse('instance', args=[compute_id, data['name']]))

File "/srv/webvirtcloud/venv/lib/python3.6/site-packages/django/urls/base.py" in reverse
  90.     return iri_to_uri(resolver._reverse_with_prefix(view, prefix, *args, **kwargs))

File "/srv/webvirtcloud/venv/lib/python3.6/site-packages/django/urls/resolvers.py" in _reverse_with_prefix
  673.         raise NoReverseMatch(msg)

Exception Type: NoReverseMatch at /computes/1/create/archs/x86_64/machines/pc/
Exception Value: Reverse for 'instance' not found. 'instance' is not a valid view function or pattern name.

For destroying an instance:

Environment:


Request Method: POST
Request URL: http://****/instances/1/aaa/

Django Version: 2.2.13
Python Version: 3.6.9
Installed Applications:
['django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'bootstrap4',
 'django_icons',
 'accounts',
 'admin',
 'appsettings',
 'computes',
 'console',
 'create',
 'datasource',
 'networks',
 'instances',
 'interfaces',
 'nwfilters',
 'storages',
 'secrets',
 'logs']
Installed Middleware:
['django.middleware.security.SecurityMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.locale.LocaleMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'login_required.middleware.LoginRequiredMiddleware',
 'django.contrib.auth.middleware.RemoteUserMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware']



Traceback:

File "/srv/webvirtcloud/venv/lib/python3.6/site-packages/django/core/handlers/exception.py" in inner
  34.             response = get_response(request)

File "/srv/webvirtcloud/venv/lib/python3.6/site-packages/django/core/handlers/base.py" in _get_response
  115.                 response = self.process_exception_by_middleware(e, request)

File "/srv/webvirtcloud/venv/lib/python3.6/site-packages/django/core/handlers/base.py" in _get_response
  113.                 response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/srv/webvirtcloud/instances/views.py" in instance
  424.                 return HttpResponseRedirect(reverse('allinstances'))

File "/srv/webvirtcloud/venv/lib/python3.6/site-packages/django/urls/base.py" in reverse
  90.     return iri_to_uri(resolver._reverse_with_prefix(view, prefix, *args, **kwargs))

File "/srv/webvirtcloud/venv/lib/python3.6/site-packages/django/urls/resolvers.py" in _reverse_with_prefix
  673.         raise NoReverseMatch(msg)

Exception Type: NoReverseMatch at /instances/1/aaa/
Exception Value: Reverse for 'allinstances' not found. 'allinstances' is not a valid view function or pattern name.