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[GH-ISSUE #24198] issue: bug: SearXNG search fails when multiple languages selected (trailing comma in language parameter) #58895

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opened 2026-05-06 00:22:25 -05:00 by GiteaMirror · 1 comment
GiteaMirror commented 2026-05-06 00:22:25 -05:00
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Originally created by @jgfzzzu-cmd on GitHub (Apr 28, 2026).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/24198

Check Existing Issues

  • I have searched for any existing and/or related issues.
  • I have searched for any existing and/or related discussions.
  • I have also searched in the CLOSED issues AND CLOSED discussions and found no related items (your issue might already be addressed on the development branch!).
  • I am using the latest version of Open WebUI.

Installation Method

Docker

Open WebUI Version

v0.6.x (latest main)

Ollama Version (if applicable)

ollama version is 0.21.2

Operating System

CachyOS Linux (Arch-based)

Browser (if applicable)

Firefox 150.0

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

SearXNG receives a valid language parameter without trailing comma, e.g. language=de,en,es

Actual Behavior

Open WebUI sends language=de,en,es, (trailing comma) when multiple languages are selected in the UI. SearXNG rejects this with: {"error": "Invalid value de,en,es, for parameter language"} and returns HTTP 400.

Steps to Reproduce

  1. Install SearXNG and configure it as web search engine in Open WebUI
  2. In Admin → Settings → Web Search, select multiple languages (e.g. de, en, es)
  3. Enable web search in a chat and send a query
  4. Web search fails with "An error occurred while searching the web"

Logs & Screenshots

ERROR open_webui.routers.retrieval:process_web_search - 400 Client Error: Bad Request for url: http://localhost:8888/search?q=...&language=de%2Cen%2Ces%2C

Additional Information

Workaround: set language to "all". Related issue: #16766

Originally created by @jgfzzzu-cmd on GitHub (Apr 28, 2026). Original GitHub issue: https://github.com/open-webui/open-webui/issues/24198 ### Check Existing Issues - [x] I have searched for any existing and/or related issues. - [x] I have searched for any existing and/or related discussions. - [x] I have also searched in the CLOSED issues AND CLOSED discussions and found no related items (your issue might already be addressed on the development branch!). - [x] I am using the latest version of Open WebUI. ### Installation Method Docker ### Open WebUI Version v0.6.x (latest main) ### Ollama Version (if applicable) ollama version is 0.21.2 ### Operating System CachyOS Linux (Arch-based) ### Browser (if applicable) Firefox 150.0 ### 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 SearXNG receives a valid language parameter without trailing comma, e.g. language=de,en,es ### Actual Behavior Open WebUI sends language=de,en,es, (trailing comma) when multiple languages are selected in the UI. SearXNG rejects this with: {"error": "Invalid value de,en,es, for parameter language"} and returns HTTP 400. ### Steps to Reproduce 1. Install SearXNG and configure it as web search engine in Open WebUI 2. In Admin → Settings → Web Search, select multiple languages (e.g. de, en, es) 3. Enable web search in a chat and send a query 4. Web search fails with "An error occurred while searching the web" ### Logs & Screenshots ERROR open_webui.routers.retrieval:process_web_search - 400 Client Error: Bad Request for url: http://localhost:8888/search?q=...&language=de%2Cen%2Ces%2C ### Additional Information Workaround: set language to "all". Related issue: #16766
GiteaMirror added the bug label 2026-05-06 00:22:25 -05:00
GiteaMirror commented 2026-05-06 00:22:30 -05:00
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@PHclaw commented on GitHub (Apr 29, 2026):

PR #24209 fixes the trailing comma issue in SearXNG language parameter. The fix strips the trailing comma before sending the language list to SearXNG.

https://github.com/open-webui/open-webui/pull/24209

<!-- gh-comment-id:4340439193 --> @PHclaw commented on GitHub (Apr 29, 2026): PR #24209 fixes the trailing comma issue in SearXNG language parameter. The fix strips the trailing comma before sending the language list to SearXNG. https://github.com/open-webui/open-webui/pull/24209
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Reference: github-starred/open-webui#58895
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