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Exception on device deletion #3795

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opened 2025-12-29 18:31:14 +01:00 by adam · 4 comments
adam commented 2025-12-29 18:31:14 +01:00
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Originally created by @dteknet on GitHub (Jun 18, 2020).

Originally assigned to: @jeremystretch on GitHub.

Environment

  • Python version: 3.6.9
  • NetBox version: 2.8.6

Steps to Reproduce

  1. You should have a rack with a device added to it. Device should have one or more device bays added (they can be empty).
  2. Open Organization -> Racks and select a rack with a test device
  3. In a rack view select the device, you will proceed to the device view
  4. Click on "Delete" button in a top-right corner
  5. Confirm deletion of the device

Expected Behavior

Device deleted and system returns to the devices list or to a rack view

Observed Behavior

Exception is raised

Internal Server Error: /dcim/devices/720/delete/

DoesNotExist at /dcim/devices/720/delete/ Device matching query does not exist.

Request Method: POST
Request URL: <cut>
Django Version: 3.0.5
Python Executable: /opt/netbox-2.8.6/venv/bin/python3
Python Version: 3.6.9
Python Path: ['/opt/netbox/netbox', '/opt/netbox-2.8.6', '/opt/netbox-2.8.6/venv/bin', '/usr/lib/python36.zip', '/usr/lib/python3.6', '/usr/lib/python3.6/lib-dynload', '/opt/netbox-2.8.6/venv/lib/python3.6/site-packages']
Server time: Thu, 18 Jun 2020 12:02:03 +0300 Installed Applications:
['django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'django.contrib.humanize',
 'cacheops',
 'corsheaders',
 'debug_toolbar',
 'django_filters',
 'django_tables2',
 'django_prometheus',
 'mptt',
 'rest_framework',
 'taggit',
 'taggit_serializer',
 'timezone_field',
 'circuits',
 'dcim',
 'ipam',
 'extras',
 'secrets',
 'tenancy',
 'users',
 'utilities',
 'virtualization',
 'django_rq',
 'drf_yasg']
Installed Middleware:
['debug_toolbar.middleware.DebugToolbarMiddleware',
 'django_prometheus.middleware.PrometheusBeforeMiddleware',
 'corsheaders.middleware.CorsMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware',
 'django.middleware.security.SecurityMiddleware',
 'utilities.middleware.ExceptionHandlingMiddleware',
 'utilities.middleware.RemoteUserMiddleware',
 'utilities.middleware.LoginRequiredMiddleware',
 'utilities.middleware.APIVersionMiddleware',
 'extras.middleware.ObjectChangeMiddleware',
 'django_prometheus.middleware.PrometheusAfterMiddleware']


Traceback (most recent call last):
  File "/opt/netbox-2.8.6/venv/lib/python3.6/site-packages/django/db/models/fields/related_descriptors.py", line 172, in __get__
    rel_obj = self.field.get_cached_value(instance)
  File "/opt/netbox-2.8.6/venv/lib/python3.6/site-packages/django/db/models/fields/mixins.py", line 13, in get_cached_value
    return instance._state.fields_cache[cache_name]

During handling of the above exception ('device'), another exception occurred:
  File "/opt/netbox-2.8.6/venv/lib/python3.6/site-packages/django/core/handlers/exception.py", line 34, in inner
    response = get_response(request)
  File "/opt/netbox/netbox/extras/middleware.py", line 119, in __call__
    objectchange = instance.to_objectchange(action)
  File "/opt/netbox/netbox/dcim/models/device_components.py", line 57, in to_objectchange
    object_repr=str(self),
  File "/opt/netbox/netbox/dcim/models/device_components.py", line 1013, in __str__
    return '{} - {}'.format(self.device.name, self.name)
  File "/opt/netbox-2.8.6/venv/lib/python3.6/site-packages/django/db/models/fields/related_descriptors.py", line 186, in __get__
    rel_obj = self.get_object(instance)
  File "/opt/netbox-2.8.6/venv/lib/python3.6/site-packages/django/db/models/fields/related_descriptors.py", line 153, in get_object
    return qs.get(self.field.get_reverse_related_filter(instance))
  File "/opt/netbox-2.8.6/venv/lib/python3.6/site-packages/cacheops/query.py", line 390, in get
    return qs._no_monkey.get(qs, *args, **kwargs)
  File "/opt/netbox-2.8.6/venv/lib/python3.6/site-packages/django/db/models/query.py", line 417, in get
    self.model._meta.object_name

Exception Type: DoesNotExist at /dcim/devices/720/delete/ Exception Value: Device matching query does not exist.
Originally created by @dteknet on GitHub (Jun 18, 2020). Originally assigned to: @jeremystretch on GitHub. ### Environment * Python version: 3.6.9 * NetBox version: 2.8.6 ### Steps to Reproduce 1. You should have a rack with a device added to it. Device should have one or more device bays added (they can be empty). 2. Open Organization -> Racks and select a rack with a test device 3. In a rack view select the device, you will proceed to the device view 4. Click on "Delete" button in a top-right corner 5. Confirm deletion of the device ### Expected Behavior Device deleted and system returns to the devices list or to a rack view ### Observed Behavior Exception is raised ``` Internal Server Error: /dcim/devices/720/delete/ DoesNotExist at /dcim/devices/720/delete/ Device matching query does not exist. Request Method: POST Request URL: <cut> Django Version: 3.0.5 Python Executable: /opt/netbox-2.8.6/venv/bin/python3 Python Version: 3.6.9 Python Path: ['/opt/netbox/netbox', '/opt/netbox-2.8.6', '/opt/netbox-2.8.6/venv/bin', '/usr/lib/python36.zip', '/usr/lib/python3.6', '/usr/lib/python3.6/lib-dynload', '/opt/netbox-2.8.6/venv/lib/python3.6/site-packages'] Server time: Thu, 18 Jun 2020 12:02:03 +0300 Installed Applications: ['django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'django.contrib.humanize', 'cacheops', 'corsheaders', 'debug_toolbar', 'django_filters', 'django_tables2', 'django_prometheus', 'mptt', 'rest_framework', 'taggit', 'taggit_serializer', 'timezone_field', 'circuits', 'dcim', 'ipam', 'extras', 'secrets', 'tenancy', 'users', 'utilities', 'virtualization', 'django_rq', 'drf_yasg'] Installed Middleware: ['debug_toolbar.middleware.DebugToolbarMiddleware', 'django_prometheus.middleware.PrometheusBeforeMiddleware', 'corsheaders.middleware.CorsMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.middleware.common.CommonMiddleware', 'django.middleware.csrf.CsrfViewMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', 'django.contrib.messages.middleware.MessageMiddleware', 'django.middleware.clickjacking.XFrameOptionsMiddleware', 'django.middleware.security.SecurityMiddleware', 'utilities.middleware.ExceptionHandlingMiddleware', 'utilities.middleware.RemoteUserMiddleware', 'utilities.middleware.LoginRequiredMiddleware', 'utilities.middleware.APIVersionMiddleware', 'extras.middleware.ObjectChangeMiddleware', 'django_prometheus.middleware.PrometheusAfterMiddleware'] Traceback (most recent call last): File "/opt/netbox-2.8.6/venv/lib/python3.6/site-packages/django/db/models/fields/related_descriptors.py", line 172, in __get__ rel_obj = self.field.get_cached_value(instance) File "/opt/netbox-2.8.6/venv/lib/python3.6/site-packages/django/db/models/fields/mixins.py", line 13, in get_cached_value return instance._state.fields_cache[cache_name] During handling of the above exception ('device'), another exception occurred: File "/opt/netbox-2.8.6/venv/lib/python3.6/site-packages/django/core/handlers/exception.py", line 34, in inner response = get_response(request) File "/opt/netbox/netbox/extras/middleware.py", line 119, in __call__ objectchange = instance.to_objectchange(action) File "/opt/netbox/netbox/dcim/models/device_components.py", line 57, in to_objectchange object_repr=str(self), File "/opt/netbox/netbox/dcim/models/device_components.py", line 1013, in __str__ return '{} - {}'.format(self.device.name, self.name) File "/opt/netbox-2.8.6/venv/lib/python3.6/site-packages/django/db/models/fields/related_descriptors.py", line 186, in __get__ rel_obj = self.get_object(instance) File "/opt/netbox-2.8.6/venv/lib/python3.6/site-packages/django/db/models/fields/related_descriptors.py", line 153, in get_object return qs.get(self.field.get_reverse_related_filter(instance)) File "/opt/netbox-2.8.6/venv/lib/python3.6/site-packages/cacheops/query.py", line 390, in get return qs._no_monkey.get(qs, *args, **kwargs) File "/opt/netbox-2.8.6/venv/lib/python3.6/site-packages/django/db/models/query.py", line 417, in get self.model._meta.object_name Exception Type: DoesNotExist at /dcim/devices/720/delete/ Exception Value: Device matching query does not exist. ```
adam added the type: bugstatus: accepted labels 2025-12-29 18:31:14 +01:00
adam closed this issue 2025-12-29 18:31:14 +01:00
adam commented 2025-12-29 18:31:15 +01:00
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@dteknet commented on GitHub (Jun 18, 2020):

Forgot to point out that the device is deleted as the result of actions.

@dteknet commented on GitHub (Jun 18, 2020): Forgot to point out that the device is deleted as the result of actions.
adam commented 2025-12-29 18:31:15 +01:00
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@jeremystretch commented on GitHub (Jun 18, 2020):

Forgot to point out that the device is deleted as the result of actions.

What do you mean by this?

@jeremystretch commented on GitHub (Jun 18, 2020): > Forgot to point out that the device is deleted as the result of actions. What do you mean by this?
adam commented 2025-12-29 18:31:15 +01:00
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@dteknet commented on GitHub (Jun 18, 2020):

Forgot to point out that the device is deleted as the result of actions.

What do you mean by this?

I mean that despite the error device is deleted from system.

@dteknet commented on GitHub (Jun 18, 2020): > > Forgot to point out that the device is deleted as the result of actions. > > What do you mean by this? I mean that despite the error device is deleted from system.
adam commented 2025-12-29 18:31:15 +01:00
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@jeremystretch commented on GitHub (Jun 18, 2020):

It seems that this is reproducible only when the device being deleted has one or more device bays. Could you please update your description to reflect this?

@jeremystretch commented on GitHub (Jun 18, 2020): It seems that this is reproducible only when the device being deleted has one or more device bays. Could you please update your description to reflect this?
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Reference: starred/netbox#3795
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