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[GH-ISSUE #16290] issue: [api] page_no on upload file with docling, Picture Description Mode also got error #56515

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opened 2026-05-05 19:34:32 -05:00 by GiteaMirror · 2 comments
GiteaMirror commented 2026-05-05 19:34:32 -05:00
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Originally created by @parsue on GitHub (Aug 5, 2025).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/16290

Check Existing Issues

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

Installation Method

Pip Install

Open WebUI Version

v0.6.18

Ollama Version (if applicable)

v0.10.1

Operating System

Windows 11

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

upload files with contents.

Actual Behavior

  • return 200 and add an file data without collection id and contents.
  • get missing positional argument: 'page_no' on using orc.
  • get unmarshal array in Go struct field when enable Picture Description Mode, tried to add the structure but failed.
  • confirmed model in Picture Description is download and can be run with given api.

Steps to Reproduce

my steps

  1. download python 3.11.9 window installer 64-bit from official site
  2. install python
  3. install open-webui by pip (latest)
  4. install docling by pip (latest)
  5. install docling-serve[ui]==0.16.1 <-- for api v1alpha
  6. start open-webui serve
  7. start docling-serve
  8. open open-webui, admin login
  9. go to admin panel > settings > documents > save settings as additional information
  10. restart open-webui serve
  11. visit open-webui docs
  12. upload pdf file by api/v1/files/ as additional information
  13. watch docling and open-webui terminal for logs

reason without browser and docker logs

  • not using docker
  • use api only, not using web ui to test

Logs & Screenshots

Image Image

error on orc:

ERROR:docling_serve.engines.async_local.worker:Worker 0 failed to process job 204b5473-2328-444c-ad2d-23f191122f9f: DoclingDocument._make_copy_with_refmode() missing 1 required positional argument: 'page_no'

error on Picture Description Mode:

ERROR:docling.utils.api_image_request:Error calling the API. Response was {"error":"json: cannot unmarshal array into Go struct field ChatRequest.messages.content of type string"}
ERROR:docling.utils.api_image_request:Error calling the API. Response was {"error":"json: cannot unmarshal array into Go struct field ChatRequest.messages.content of type string"}
ERROR:docling_serve.engines.async_local.worker:Worker 0 failed to process job fbdfa12b-0f70-403b-8140-90a77cff8cd4: 500: 400 Client Error: Bad Request for url: http://localhost:11434/api/chat

Additional Information

Docling version:

Docling Serve version: 0.16.1
Docling version: 2.43.0
Docling Core version: 2.44.1
Docling IBM Models version: 3.9.0
Docling Parse version: 4.1.0
Python: cpython-311 (3.11.9)
Platform: Windows-10-10.0.26100-SP0
Originally created by @parsue on GitHub (Aug 5, 2025). Original GitHub issue: https://github.com/open-webui/open-webui/issues/16290 ### Check Existing Issues - [x] I have searched the existing issues and discussions. - [x] I am using the latest version of Open WebUI. ### Installation Method Pip Install ### Open WebUI Version v0.6.18 ### Ollama Version (if applicable) v0.10.1 ### Operating System Windows 11 ### 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 upload files with contents. ### Actual Behavior - return 200 and add an file data without collection id and contents. - get missing positional argument: 'page_no' on using orc. - get unmarshal array in Go struct field when enable Picture Description Mode, tried to add the structure but failed. - confirmed model in Picture Description is download and can be run with given api. ### Steps to Reproduce ### my steps 1. download python 3.11.9 window installer 64-bit from official site 2. install python 3. install open-webui by pip (latest) 4. install docling by pip (latest) 5. install docling-serve[ui]==0.16.1 <-- for api v1alpha 6. start open-webui serve 7. start docling-serve 8. open open-webui, admin login 9. go to admin panel > settings > documents > save settings as additional information 10. restart open-webui serve 11. visit open-webui docs 12. upload pdf file by api/v1/files/ as additional information 13. watch docling and open-webui terminal for logs ### reason without browser and docker logs - not using docker - use api only, not using web ui to test ### Logs & Screenshots <img width="1047" height="645" alt="Image" src="https://github.com/user-attachments/assets/ddb5617d-cb8b-4c4a-931c-adc38d23b8fc" /> <img width="1017" height="994" alt="Image" src="https://github.com/user-attachments/assets/5f48620e-9704-4cd1-ba54-6411a1fe9ab0" /> error on orc: ``` ERROR:docling_serve.engines.async_local.worker:Worker 0 failed to process job 204b5473-2328-444c-ad2d-23f191122f9f: DoclingDocument._make_copy_with_refmode() missing 1 required positional argument: 'page_no' ``` error on Picture Description Mode: ``` ERROR:docling.utils.api_image_request:Error calling the API. Response was {"error":"json: cannot unmarshal array into Go struct field ChatRequest.messages.content of type string"} ERROR:docling.utils.api_image_request:Error calling the API. Response was {"error":"json: cannot unmarshal array into Go struct field ChatRequest.messages.content of type string"} ERROR:docling_serve.engines.async_local.worker:Worker 0 failed to process job fbdfa12b-0f70-403b-8140-90a77cff8cd4: 500: 400 Client Error: Bad Request for url: http://localhost:11434/api/chat ``` ### Additional Information Docling version: ``` Docling Serve version: 0.16.1 Docling version: 2.43.0 Docling Core version: 2.44.1 Docling IBM Models version: 3.9.0 Docling Parse version: 4.1.0 Python: cpython-311 (3.11.9) Platform: Windows-10-10.0.26100-SP0 ```
GiteaMirror added the bug label 2026-05-05 19:34:32 -05:00
GiteaMirror commented 2026-05-05 19:34:39 -05:00
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@mballesterosc commented on GitHub (Aug 6, 2025):

I'm experiencing the same error. I'm waiting for the new release of OpenWebUI that will include compatibility with docling >1.0.0

<!-- gh-comment-id:3158435369 --> @mballesterosc commented on GitHub (Aug 6, 2025): I'm experiencing the same error. I'm waiting for the new release of OpenWebUI that will include compatibility with docling >1.0.0
GiteaMirror commented 2026-05-05 19:34:42 -05:00
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@parsue commented on GitHub (Aug 6, 2025):

I found that the problem may be on the docling side.
I tried on docling api or ui and met same issue. It should be the easyocr is updated and requesting the arguments but docling ocr loader is not handling this.

<!-- gh-comment-id:3158635721 --> @parsue commented on GitHub (Aug 6, 2025): I found that the problem may be on the docling side. I tried on docling api or ui and met same issue. It should be the easyocr is updated and requesting the arguments but docling ocr loader is not handling this.
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Reference: github-starred/open-webui#56515
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