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Ollama models do not work with external API when URL has trailing forward slash #1276

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opened 2025-11-11 14:41:39 -06:00 by GiteaMirror · 2 comments
GiteaMirror commented 2025-11-11 14:41:39 -06:00
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Originally created by @toperator1337 on GitHub (Jun 15, 2024).

Bug Report

Description

Bug Summary:
There is an inconsistent behavior seen when using an HTTPS reference with a trailing forward slash in Admin Settings -> Connections. The URL with and without the forward slash validates as being correct, but then the URL with the forward slash in it does not work when the model from the external resource is queried, giving a 404 error.

Steps to Reproduce:
Set the connection to a URL with a trailing forward slash:
1
Verify the connection:
2
Attempt to use the model:
3

Expected Behavior:
Model either fails validation, or succeeds validation and then actually works.

Actual Behavior:
Model succeeds at validation and then does not work with a 404 on the /ollama/api/chat POST.

Environment

  • Open WebUI Version: v0.3.4

  • Ollama (if applicable): 0.1.44

  • Operating System: N/A

  • Browser (if applicable): N/A

Reproduction Details

Confirmation:

  • I have read and followed all the instructions provided in the README.md.
  • I am on the latest version of both Open WebUI and Ollama.
  • I have included the browser console logs.
  • I have included the Docker container logs.

Logs and Screenshots

Browser Console Logs:
openwebuiharfailure.har.txt

Docker Container Logs:
dockerlogs.txt

Screenshots (if applicable):
See above.

Installation Method

N/A

Additional Information

Ollama is running on a RunPod.IO container.

Originally created by @toperator1337 on GitHub (Jun 15, 2024). # Bug Report ## Description **Bug Summary:** There is an inconsistent behavior seen when using an HTTPS reference with a _trailing forward slash_ in Admin Settings -> Connections. The URL with _and without_ the forward slash validates as being correct, but then the URL with the forward slash in it does not work when the model from the external resource is queried, giving a 404 error. **Steps to Reproduce:** Set the connection to a URL with a trailing forward slash: <img width="844" alt="1" src="https://github.com/open-webui/open-webui/assets/172933654/e1c10428-5373-4d6f-a62e-a78b14b439a2"> Verify the connection: <img width="840" alt="2" src="https://github.com/open-webui/open-webui/assets/172933654/2dfe82b6-6284-494c-bcdc-fb83696addd2"> Attempt to use the model: <img width="805" alt="3" src="https://github.com/open-webui/open-webui/assets/172933654/91ab64f4-63f2-4147-ba75-35c8b8b284a2"> **Expected Behavior:** Model either fails validation, or succeeds validation and then actually works. **Actual Behavior:** Model succeeds at validation and then does not work with a 404 on the /ollama/api/chat POST. ## Environment - **Open WebUI Version:** v0.3.4 - **Ollama (if applicable):** 0.1.44 - **Operating System:** N/A - **Browser (if applicable):** N/A ## Reproduction Details **Confirmation:** - [X] I have read and followed all the instructions provided in the README.md. - [X] I am on 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. ## Logs and Screenshots **Browser Console Logs:** [openwebuiharfailure.har.txt](https://github.com/user-attachments/files/15854031/openwebuiharfailure.har.txt) **Docker Container Logs:** [dockerlogs.txt](https://github.com/user-attachments/files/15854082/dockerlogs.txt) **Screenshots (if applicable):** See above. ## Installation Method N/A ## Additional Information Ollama is running on a RunPod.IO container.
GiteaMirror commented 2025-11-11 14:41:40 -06:00
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@tjbck commented on GitHub (Jun 16, 2024):

image

Can't seem to reproduce on my end but I added an enhancement to automatically remove all the trailing slashes in the urls!

@tjbck commented on GitHub (Jun 16, 2024): <img width="602" alt="image" src="https://github.com/open-webui/open-webui/assets/25473318/595ee830-3ab8-4087-98f2-3a368634a0fd"> Can't seem to reproduce on my end but I added an enhancement to automatically remove all the trailing slashes in the urls!
GiteaMirror commented 2025-11-11 14:41:40 -06:00
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@giladrom commented on GitHub (Nov 11, 2024):

Can confirm - I just spun up the docker instance with a trailing slash/ URL as the OLLAMA_BASE_URL parameter and connection failed.

@giladrom commented on GitHub (Nov 11, 2024): Can confirm - I just spun up the docker instance with a trailing slash/ URL as the OLLAMA_BASE_URL parameter and connection failed.
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Reference: github-starred/open-webui#1276
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