[GH-ISSUE #16819] issue: Azure AI Foundry Non-functional after 0.6.23 #56723

New Issue

GiteaMirror · 2026-05-05T20:00:05-05:00

GiteaMirror commented

2026-05-05 20:00:05 -05:00

Originally created by @decent-engineer-decent-datascientist on GitHub (Aug 22, 2025).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/16819

Check Existing Issues

I have searched the existing issues and discussions.
I am using the latest version of Open WebUI.

Installation Method

Docker

Open WebUI Version

0.6.23, 0.6.24

Ollama Version (if applicable)

No response

Operating System

Docker Image

Browser (if applicable)

No response

Confirmation

I have read and followed all instructions in README.md.
I am using the latest version of both Open WebUI and Ollama.
I have included the browser console logs.
I have included the Docker container logs.
I have provided every relevant configuration, setting, and environment variable used in my setup.
I have clearly listed every relevant configuration, custom setting, environment variable, and command-line option that influences my setup (such as Docker Compose overrides, .env values, browser settings, authentication configurations, etc).
I have documented step-by-step reproduction instructions that are precise, sequential, and leave nothing to interpretation. My steps:
Start with the initial platform/version/OS and dependencies used,
Specify exact install/launch/configure commands,
List URLs visited, user input (incl. example values/emails/passwords if needed),
Describe all options and toggles enabled or changed,
Include any files or environmental changes,
Identify the expected and actual result at each stage,
Ensure any reasonably skilled user can follow and hit the same issue.

Expected Behavior

Azure AI Foundry has been functional as an added connection until 0.6.23

Actual Behavior

After upgrading to 0.6.23, all models fail with the following error on the docker console:

| ERROR | open_webui.routers.openai:generate_chat_completion:911 - 200, message='Attempt to decode JSON with unexpected mimetype: ', url='********'

Steps to Reproduce

Add a connection to an Azure AI Foundry endpoint, and then create a new chat with a model in that deployment

Logs & Screenshots

| ERROR | open_webui.routers.openai:generate_chat_completion:911 - 200, message='Attempt to decode JSON with unexpected mimetype: ', url='********'

No browser console errors

Additional Information

No response

Originally created by @decent-engineer-decent-datascientist on GitHub (Aug 22, 2025). Original GitHub issue: https://github.com/open-webui/open-webui/issues/16819 ### Check Existing Issues - [x] I have searched the existing issues and discussions. - [x] I am using the latest version of Open WebUI. ### Installation Method Docker ### Open WebUI Version 0.6.23, 0.6.24 ### Ollama Version (if applicable) _No response_ ### Operating System Docker Image ### Browser (if applicable) _No response_ ### Confirmation - [x] I have read and followed all instructions in `README.md`. - [x] I am using the latest version of **both** Open WebUI and Ollama. - [x] I have included the browser console logs. - [x] I have included the Docker container logs. - [x] I have **provided every relevant configuration, setting, and environment variable used in my setup.** - [x] I have clearly **listed every relevant configuration, custom setting, environment variable, and command-line option that influences my setup** (such as Docker Compose overrides, .env values, browser settings, authentication configurations, etc). - [x] I have documented **step-by-step reproduction instructions that are precise, sequential, and leave nothing to interpretation**. My steps: - Start with the initial platform/version/OS and dependencies used, - Specify exact install/launch/configure commands, - List URLs visited, user input (incl. example values/emails/passwords if needed), - Describe all options and toggles enabled or changed, - Include any files or environmental changes, - Identify the expected and actual result at each stage, - Ensure any reasonably skilled user can follow and hit the same issue. ### Expected Behavior Azure AI Foundry has been functional as an added connection until 0.6.23 ### Actual Behavior After upgrading to 0.6.23, all models fail with the following error on the docker console: | ERROR | open_webui.routers.openai:generate_chat_completion:911 - 200, message='Attempt to decode JSON with unexpected mimetype: ', url='********' ### Steps to Reproduce Add a connection to an Azure AI Foundry endpoint, and then create a new chat with a model in that deployment ### Logs & Screenshots | ERROR | open_webui.routers.openai:generate_chat_completion:911 - 200, message='Attempt to decode JSON with unexpected mimetype: ', url='********' No browser console errors ### Additional Information _No response_

GiteaMirror added the bug label 2026-05-05 20:00:05 -05:00

GiteaMirror closed this issue

2026-05-05 20:00:06 -05:00

GiteaMirror commented

2026-05-05 20:00:08 -05:00

@tjbck commented on GitHub (Aug 22, 2025):

Can we get more backend logs?

@tjbck commented on GitHub (Aug 22, 2025): Can we get more backend logs?

GiteaMirror commented

2026-05-05 20:00:09 -05:00

@decent-engineer-decent-datascientist commented on GitHub (Aug 22, 2025):

There really isn't anything in there around the error; it's just that single line and no errors on the front end.

@decent-engineer-decent-datascientist commented on GitHub (Aug 22, 2025): There really isn't anything in there around the error; it's just that single line and no errors on the front end.

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Reference: github-starred/open-webui#56723