Server Error when saving Filters since 3.4.7 #7804

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opened 2025-12-29 20:28:24 +01:00 by adam · 0 comments
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Originally created by @saruter on GitHub (Mar 29, 2023).

Originally assigned to: @arthanson on GitHub.

NetBox version

v.3.4.7

Python version

3.9

Steps to Reproduce

Since v3.4.7 it is not possible to save Filters.

You can reproduce it on https://demo.netbox.dev as well:

  • Select Sites
  • Filter for specific tag, for example
  • try to save this Filter
  • Server Error is displayed

For example from the netbox Demo:
https://demo.netbox.dev/extras/saved-filters/add/?content_types=50&parameters=tag%3Dbravo
https://demo.netbox.dev/extras/saved-filters/add/?content_types=44&parameters=region_id%3D5

Expected Behavior

Filter should be saved like in previous versions

Observed Behavior

There was a problem with your request. Please contact an administrator.

The complete exception is provided below:

<class 'json.decoder.JSONDecodeError'>

Expecting value: line 1 column 1 (char 0)

Python version: 3.9.14
NetBox version: 3.4.7
If further assistance is required, please post to the [NetBox discussion forum](https://github.com/netbox-community/netbox/discussions) on GitHub.
Originally created by @saruter on GitHub (Mar 29, 2023). Originally assigned to: @arthanson on GitHub. ### NetBox version v.3.4.7 ### Python version 3.9 ### Steps to Reproduce Since v3.4.7 it is not possible to save Filters. You can reproduce it on https://demo.netbox.dev as well: - Select Sites - Filter for specific tag, for example - try to save this Filter - Server Error is displayed For example from the netbox Demo: https://demo.netbox.dev/extras/saved-filters/add/?content_types=50&parameters=tag%3Dbravo https://demo.netbox.dev/extras/saved-filters/add/?content_types=44&parameters=region_id%3D5 ### Expected Behavior Filter should be saved like in previous versions ### Observed Behavior ```Server Error There was a problem with your request. Please contact an administrator. The complete exception is provided below: <class 'json.decoder.JSONDecodeError'> Expecting value: line 1 column 1 (char 0) Python version: 3.9.14 NetBox version: 3.4.7 If further assistance is required, please post to the [NetBox discussion forum](https://github.com/netbox-community/netbox/discussions) on GitHub. ```
adam added the type: bugstatus: accepted labels 2025-12-29 20:28:24 +01:00
adam closed this issue 2025-12-29 20:28:25 +01:00
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Reference: starred/netbox#7804