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[GH-ISSUE #8927] Embedding failure #118638

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opened 2026-05-20 19:58:03 -05:00 by GiteaMirror · 2 comments
GiteaMirror commented 2026-05-20 19:58:03 -05:00
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Originally created by @ghost on GitHub (Jan 25, 2025).
Original GitHub issue: https://github.com/open-webui/open-webui/issues/8927

Bug Report

Installation Method

docker

Environment

  • Open WebUI Version: v0.5.7
  • Ollama (if applicable): 0.5.7-0-ga420a45-dirty
  • Operating System: Arch
  • Browser (if applicable): Firefox

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.
  • I have provided the exact steps to reproduce the bug in the "Steps to Reproduce" section below.

Expected Behavior:

Embedding works for docker container

Actual Behavior:

Embedding failed

Description

Bug Summary:

Reproduction Details

Steps to Reproduce:
Model used: https://huggingface.co/djuna/stella-base-en-v2-Q5_K_M-GGUF
Image

Embeding failed

Logs and Screenshots

Browser Console Logs:

Image

Docker Container Logs:

INFO  [open_webui.routers.files] file.content_type: application/pdf
INFO  [open_webui.routers.retrieval] save_docs_to_vector_db: document api-guide.pdf file-339d3f4f-79d5-4536-b5fd-c34896a6823a
INFO  [open_webui.routers.retrieval] adding to collection file-339d3f4f-79d5-4536-b5fd-c34896a6823a
ERROR [open_webui.routers.retrieval] 'NoneType' object is not iterable
Traceback (most recent call last):
  File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db
    embeddings = embedding_function(
                 ^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda>
    return lambda query: generate_multiple(query, func)
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple
    embeddings.extend(func(query[i : i + embedding_batch_size]))
TypeError: 'NoneType' object is not iterable
ERROR [open_webui.routers.retrieval] 'NoneType' object is not iterable
Traceback (most recent call last):
  File "/app/backend/open_webui/routers/retrieval.py", line 953, in process_file
    raise e
  File "/app/backend/open_webui/routers/retrieval.py", line 926, in process_file
    result = save_docs_to_vector_db(
             ^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/routers/retrieval.py", line 799, in save_docs_to_vector_db
    raise e
  File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db
    embeddings = embedding_function(
                 ^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda>
    return lambda query: generate_multiple(query, func)
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple
    embeddings.extend(func(query[i : i + embedding_batch_size]))
TypeError: 'NoneType' object is not iterable
ERROR [open_webui.routers.files] 400: 'NoneType' object is not iterable
Traceback (most recent call last):
  File "/app/backend/open_webui/routers/retrieval.py", line 953, in process_file
    raise e
  File "/app/backend/open_webui/routers/retrieval.py", line 926, in process_file
    result = save_docs_to_vector_db(
             ^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/routers/retrieval.py", line 799, in save_docs_to_vector_db
    raise e
  File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db
    embeddings = embedding_function(
                 ^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda>
    return lambda query: generate_multiple(query, func)
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple
    embeddings.extend(func(query[i : i + embedding_batch_size]))
TypeError: 'NoneType' object is not iterable

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/app/backend/open_webui/routers/files.py", line 74, in upload_file
    process_file(request, ProcessFileForm(file_id=id))
  File "/app/backend/open_webui/routers/retrieval.py", line 962, in process_file
    raise HTTPException(
fastapi.exceptions.HTTPException: 400: 'NoneType' object is not iterable
ERROR [open_webui.routers.files] Error processing file: 339d3f4f-79d5-4536-b5fd-c34896a6823a
Collection file-339d3f4f-79d5-4536-b5fd-c34896a6823a does not exist.
500 Server Error: Internal Server Error for url: http://ollama:11434/api/embed
INFO:     10.0.0.3:0 - "POST /api/v1/files/ HTTP/1.1" 200 OK
INFO  [open_webui.routers.retrieval] save_docs_to_vector_db: document api-guide.pdf fb5775f5-5291-4a63-9f16-a4b16a28af2f
INFO  [open_webui.routers.retrieval] adding to collection fb5775f5-5291-4a63-9f16-a4b16a28af2f
ERROR [open_webui.routers.retrieval] 'NoneType' object is not iterable
Traceback (most recent call last):
  File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db
    embeddings = embedding_function(
                 ^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda>
    return lambda query: generate_multiple(query, func)
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple
    embeddings.extend(func(query[i : i + embedding_batch_size]))
TypeError: 'NoneType' object is not iterable
ERROR [open_webui.routers.retrieval] 'NoneType' object is not iterable
Traceback (most recent call last):
  File "/app/backend/open_webui/routers/retrieval.py", line 953, in process_file
    raise e
  File "/app/backend/open_webui/routers/retrieval.py", line 926, in process_file
    result = save_docs_to_vector_db(
             ^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/routers/retrieval.py", line 799, in save_docs_to_vector_db
    raise e
  File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db
    embeddings = embedding_function(
                 ^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda>
    return lambda query: generate_multiple(query, func)
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple
    embeddings.extend(func(query[i : i + embedding_batch_size]))
TypeError: 'NoneType' object is not iterable
Collection file-339d3f4f-79d5-4536-b5fd-c34896a6823a does not exist.
Collection fb5775f5-5291-4a63-9f16-a4b16a28af2f does not exist.
500 Server Error: Internal Server Error for url: http://ollama:11434/api/embed
INFO:     10.0.0.3:0 - "POST /api/v1/knowledge/fb5775f5-5291-4a63-9f16-a4b16a28af2f/file/add HTTP/1.1" 400 Bad Request
Originally created by @ghost on GitHub (Jan 25, 2025). Original GitHub issue: https://github.com/open-webui/open-webui/issues/8927 # Bug Report ## Installation Method docker ## Environment - **Open WebUI Version:** v0.5.7 - **Ollama (if applicable):** 0.5.7-0-ga420a45-dirty - **Operating System:** Arch - **Browser (if applicable):** Firefox **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. - [x] I have provided the exact steps to reproduce the bug in the "Steps to Reproduce" section below. ## Expected Behavior: Embedding works for docker container ## Actual Behavior: Embedding failed ## Description **Bug Summary:** ## Reproduction Details **Steps to Reproduce:** Model used: https://huggingface.co/djuna/stella-base-en-v2-Q5_K_M-GGUF ![Image](https://github.com/user-attachments/assets/6581c03d-4403-4c47-ac03-df2c24c3c087) Embeding failed ## Logs and Screenshots **Browser Console Logs:** ![Image](https://github.com/user-attachments/assets/5a14545e-5aea-4528-a4a1-2dcea6a1f1f7) **Docker Container Logs:** ```log INFO [open_webui.routers.files] file.content_type: application/pdf INFO [open_webui.routers.retrieval] save_docs_to_vector_db: document api-guide.pdf file-339d3f4f-79d5-4536-b5fd-c34896a6823a INFO [open_webui.routers.retrieval] adding to collection file-339d3f4f-79d5-4536-b5fd-c34896a6823a ERROR [open_webui.routers.retrieval] 'NoneType' object is not iterable Traceback (most recent call last): File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db embeddings = embedding_function( ^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda> return lambda query: generate_multiple(query, func) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple embeddings.extend(func(query[i : i + embedding_batch_size])) TypeError: 'NoneType' object is not iterable ERROR [open_webui.routers.retrieval] 'NoneType' object is not iterable Traceback (most recent call last): File "/app/backend/open_webui/routers/retrieval.py", line 953, in process_file raise e File "/app/backend/open_webui/routers/retrieval.py", line 926, in process_file result = save_docs_to_vector_db( ^^^^^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/routers/retrieval.py", line 799, in save_docs_to_vector_db raise e File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db embeddings = embedding_function( ^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda> return lambda query: generate_multiple(query, func) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple embeddings.extend(func(query[i : i + embedding_batch_size])) TypeError: 'NoneType' object is not iterable ERROR [open_webui.routers.files] 400: 'NoneType' object is not iterable Traceback (most recent call last): File "/app/backend/open_webui/routers/retrieval.py", line 953, in process_file raise e File "/app/backend/open_webui/routers/retrieval.py", line 926, in process_file result = save_docs_to_vector_db( ^^^^^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/routers/retrieval.py", line 799, in save_docs_to_vector_db raise e File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db embeddings = embedding_function( ^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda> return lambda query: generate_multiple(query, func) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple embeddings.extend(func(query[i : i + embedding_batch_size])) TypeError: 'NoneType' object is not iterable During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/app/backend/open_webui/routers/files.py", line 74, in upload_file process_file(request, ProcessFileForm(file_id=id)) File "/app/backend/open_webui/routers/retrieval.py", line 962, in process_file raise HTTPException( fastapi.exceptions.HTTPException: 400: 'NoneType' object is not iterable ERROR [open_webui.routers.files] Error processing file: 339d3f4f-79d5-4536-b5fd-c34896a6823a Collection file-339d3f4f-79d5-4536-b5fd-c34896a6823a does not exist. 500 Server Error: Internal Server Error for url: http://ollama:11434/api/embed INFO: 10.0.0.3:0 - "POST /api/v1/files/ HTTP/1.1" 200 OK INFO [open_webui.routers.retrieval] save_docs_to_vector_db: document api-guide.pdf fb5775f5-5291-4a63-9f16-a4b16a28af2f INFO [open_webui.routers.retrieval] adding to collection fb5775f5-5291-4a63-9f16-a4b16a28af2f ERROR [open_webui.routers.retrieval] 'NoneType' object is not iterable Traceback (most recent call last): File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db embeddings = embedding_function( ^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda> return lambda query: generate_multiple(query, func) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple embeddings.extend(func(query[i : i + embedding_batch_size])) TypeError: 'NoneType' object is not iterable ERROR [open_webui.routers.retrieval] 'NoneType' object is not iterable Traceback (most recent call last): File "/app/backend/open_webui/routers/retrieval.py", line 953, in process_file raise e File "/app/backend/open_webui/routers/retrieval.py", line 926, in process_file result = save_docs_to_vector_db( ^^^^^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/routers/retrieval.py", line 799, in save_docs_to_vector_db raise e File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db embeddings = embedding_function( ^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda> return lambda query: generate_multiple(query, func) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple embeddings.extend(func(query[i : i + embedding_batch_size])) TypeError: 'NoneType' object is not iterable Collection file-339d3f4f-79d5-4536-b5fd-c34896a6823a does not exist. Collection fb5775f5-5291-4a63-9f16-a4b16a28af2f does not exist. 500 Server Error: Internal Server Error for url: http://ollama:11434/api/embed INFO: 10.0.0.3:0 - "POST /api/v1/knowledge/fb5775f5-5291-4a63-9f16-a4b16a28af2f/file/add HTTP/1.1" 400 Bad Request ```
GiteaMirror commented 2026-05-20 19:58:04 -05:00
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@ghost commented on GitHub (Jan 26, 2025):

I changed the vectordb to pgvector (the same pg data base that open webui uses) and I got the following error:

INFO  [open_webui.routers.files] file.content_type: application/pdf
INFO  [open_webui.routers.retrieval] save_docs_to_vector_db: document api-guide.pdf file-35403e70-d0a6-42e2-8db1-5ea7cf45cd37
INFO  [open_webui.routers.retrieval] adding to collection file-35403e70-d0a6-42e2-8db1-5ea7cf45cd37
ERROR [open_webui.routers.retrieval] 'NoneType' object is not iterable
Traceback (most recent call last):
  File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db
    embeddings = embedding_function(
                 ^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda>
    return lambda query: generate_multiple(query, func)
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple
    embeddings.extend(func(query[i : i + embedding_batch_size]))
TypeError: 'NoneType' object is not iterable
ERROR [open_webui.routers.retrieval] 'NoneType' object is not iterable
Traceback (most recent call last):
  File "/app/backend/open_webui/routers/retrieval.py", line 953, in process_file
    raise e
  File "/app/backend/open_webui/routers/retrieval.py", line 926, in process_file
    result = save_docs_to_vector_db(
             ^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/routers/retrieval.py", line 799, in save_docs_to_vector_db
    raise e
  File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db
    embeddings = embedding_function(
                 ^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda>
    return lambda query: generate_multiple(query, func)
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple
    embeddings.extend(func(query[i : i + embedding_batch_size]))
TypeError: 'NoneType' object is not iterable
ERROR [open_webui.routers.files] 400: 'NoneType' object is not iterable
Traceback (most recent call last):
  File "/app/backend/open_webui/routers/retrieval.py", line 953, in process_file
    raise e
  File "/app/backend/open_webui/routers/retrieval.py", line 926, in process_file
    result = save_docs_to_vector_db(
             ^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/routers/retrieval.py", line 799, in save_docs_to_vector_db
    raise e
  File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db
    embeddings = embedding_function(
                 ^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda>
    return lambda query: generate_multiple(query, func)
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple
    embeddings.extend(func(query[i : i + embedding_batch_size]))
TypeError: 'NoneType' object is not iterable

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/app/backend/open_webui/routers/files.py", line 74, in upload_file
    process_file(request, ProcessFileForm(file_id=id))
  File "/app/backend/open_webui/routers/retrieval.py", line 962, in process_file
    raise HTTPException(
fastapi.exceptions.HTTPException: 400: 'NoneType' object is not iterable
ERROR [open_webui.routers.files] Error processing file: 35403e70-d0a6-42e2-8db1-5ea7cf45cd37
500 Server Error: Internal Server Error for url: http://ollama:11434/api/embed
INFO:     10.0.0.3:0 - "POST /api/v1/files/ HTTP/1.1" 200 OK
INFO  [open_webui.routers.retrieval] save_docs_to_vector_db: document api-guide.pdf fb5775f5-5291-4a63-9f16-a4b16a28af2f
INFO  [open_webui.routers.retrieval] adding to collection fb5775f5-5291-4a63-9f16-a4b16a28af2f
ERROR [open_webui.routers.retrieval] 'NoneType' object is not iterable
Traceback (most recent call last):
  File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db
    embeddings = embedding_function(
                 ^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda>
    return lambda query: generate_multiple(query, func)
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple
    embeddings.extend(func(query[i : i + embedding_batch_size]))
TypeError: 'NoneType' object is not iterable
ERROR [open_webui.routers.retrieval] 'NoneType' object is not iterable
Traceback (most recent call last):
  File "/app/backend/open_webui/routers/retrieval.py", line 953, in process_file
    raise e
  File "/app/backend/open_webui/routers/retrieval.py", line 926, in process_file
    result = save_docs_to_vector_db(
             ^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/routers/retrieval.py", line 799, in save_docs_to_vector_db
    raise e
  File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db
    embeddings = embedding_function(
                 ^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda>
    return lambda query: generate_multiple(query, func)
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple
    embeddings.extend(func(query[i : i + embedding_batch_size]))
TypeError: 'NoneType' object is not iterable
500 Server Error: Internal Server Error for url: http://ollama:11434/api/embed
INFO:     10.0.0.3:0 - "POST /api/v1/knowledge/fb5775f5-5291-4a63-9f16-a4b16a28af2f/file/add HTTP/1.1" 400 Bad Request
<!-- gh-comment-id:2614182636 --> @ghost commented on GitHub (Jan 26, 2025): I changed the vectordb to pgvector (the same pg data base that open webui uses) and I got the following error: ```log INFO [open_webui.routers.files] file.content_type: application/pdf INFO [open_webui.routers.retrieval] save_docs_to_vector_db: document api-guide.pdf file-35403e70-d0a6-42e2-8db1-5ea7cf45cd37 INFO [open_webui.routers.retrieval] adding to collection file-35403e70-d0a6-42e2-8db1-5ea7cf45cd37 ERROR [open_webui.routers.retrieval] 'NoneType' object is not iterable Traceback (most recent call last): File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db embeddings = embedding_function( ^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda> return lambda query: generate_multiple(query, func) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple embeddings.extend(func(query[i : i + embedding_batch_size])) TypeError: 'NoneType' object is not iterable ERROR [open_webui.routers.retrieval] 'NoneType' object is not iterable Traceback (most recent call last): File "/app/backend/open_webui/routers/retrieval.py", line 953, in process_file raise e File "/app/backend/open_webui/routers/retrieval.py", line 926, in process_file result = save_docs_to_vector_db( ^^^^^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/routers/retrieval.py", line 799, in save_docs_to_vector_db raise e File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db embeddings = embedding_function( ^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda> return lambda query: generate_multiple(query, func) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple embeddings.extend(func(query[i : i + embedding_batch_size])) TypeError: 'NoneType' object is not iterable ERROR [open_webui.routers.files] 400: 'NoneType' object is not iterable Traceback (most recent call last): File "/app/backend/open_webui/routers/retrieval.py", line 953, in process_file raise e File "/app/backend/open_webui/routers/retrieval.py", line 926, in process_file result = save_docs_to_vector_db( ^^^^^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/routers/retrieval.py", line 799, in save_docs_to_vector_db raise e File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db embeddings = embedding_function( ^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda> return lambda query: generate_multiple(query, func) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple embeddings.extend(func(query[i : i + embedding_batch_size])) TypeError: 'NoneType' object is not iterable During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/app/backend/open_webui/routers/files.py", line 74, in upload_file process_file(request, ProcessFileForm(file_id=id)) File "/app/backend/open_webui/routers/retrieval.py", line 962, in process_file raise HTTPException( fastapi.exceptions.HTTPException: 400: 'NoneType' object is not iterable ERROR [open_webui.routers.files] Error processing file: 35403e70-d0a6-42e2-8db1-5ea7cf45cd37 500 Server Error: Internal Server Error for url: http://ollama:11434/api/embed INFO: 10.0.0.3:0 - "POST /api/v1/files/ HTTP/1.1" 200 OK INFO [open_webui.routers.retrieval] save_docs_to_vector_db: document api-guide.pdf fb5775f5-5291-4a63-9f16-a4b16a28af2f INFO [open_webui.routers.retrieval] adding to collection fb5775f5-5291-4a63-9f16-a4b16a28af2f ERROR [open_webui.routers.retrieval] 'NoneType' object is not iterable Traceback (most recent call last): File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db embeddings = embedding_function( ^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda> return lambda query: generate_multiple(query, func) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple embeddings.extend(func(query[i : i + embedding_batch_size])) TypeError: 'NoneType' object is not iterable ERROR [open_webui.routers.retrieval] 'NoneType' object is not iterable Traceback (most recent call last): File "/app/backend/open_webui/routers/retrieval.py", line 953, in process_file raise e File "/app/backend/open_webui/routers/retrieval.py", line 926, in process_file result = save_docs_to_vector_db( ^^^^^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/routers/retrieval.py", line 799, in save_docs_to_vector_db raise e File "/app/backend/open_webui/routers/retrieval.py", line 777, in save_docs_to_vector_db embeddings = embedding_function( ^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 281, in <lambda> return lambda query: generate_multiple(query, func) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/backend/open_webui/retrieval/utils.py", line 276, in generate_multiple embeddings.extend(func(query[i : i + embedding_batch_size])) TypeError: 'NoneType' object is not iterable 500 Server Error: Internal Server Error for url: http://ollama:11434/api/embed INFO: 10.0.0.3:0 - "POST /api/v1/knowledge/fb5775f5-5291-4a63-9f16-a4b16a28af2f/file/add HTTP/1.1" 400 Bad Request ```
GiteaMirror commented 2026-05-20 19:58:05 -05:00
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@ChMat commented on GitHub (Jan 26, 2025):

I’m experiencing the same error message within Open Web UI GUI.

Same configuration as OP, I just upgraded from previous versions of Ollama and Open Web UI.

I’m trying to change Embedding model to bge-m3:latest and I get the TypeError: 'NoneType' object is not iterable error when I try to upload files or edit text content into a documentation.

I’m runnings Open Web UI in WSL and using latest version of Chrome as my browser.

Rolling back to the default Embedding model engine (sentence transfomers) makes the error disappear.

<!-- gh-comment-id:2614291027 --> @ChMat commented on GitHub (Jan 26, 2025): I’m experiencing the same error message within Open Web UI GUI. Same configuration as OP, I just upgraded from previous versions of Ollama and Open Web UI. I’m trying to change Embedding model to `bge-m3:latest` and I get the `TypeError: 'NoneType' object is not iterable` error when I try to upload files or edit text content into a documentation. I’m runnings Open Web UI in WSL and using latest version of Chrome as my browser. Rolling back to the default Embedding model engine (sentence transfomers) makes the error disappear.
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Reference: github-starred/open-webui#118638