[GH-ISSUE #325] error occurs when create and destroy an instance #212

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opened 2026-02-27 15:57:47 +03:00 by kerem · 0 comments

kerem commented

2026-02-27 15:57:47 +03:00

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Originally created by @zeddit on GitHub (Jun 17, 2020).
Original GitHub issue: https://github.com/retspen/webvirtcloud/issues/325

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.

Originally created by @zeddit on GitHub (Jun 17, 2020). Original GitHub issue: https://github.com/retspen/webvirtcloud/issues/325 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. ```