Error Occurs Only When Using Deepseek R1 Model (IndexError: list index out of range) #3585

New Issue

2025-11-11T15:34:22-06:00

GiteaMirror commented

2025-11-11 15:34:22 -06:00

Originally created by @neuwcodebox on GitHub (Feb 5, 2025).

Originally assigned to: @tjbck on GitHub.

Installation Method

UV Tools

Environment

Open WebUI Version: v0.5.8
Ollama (if applicable): v0.5.7
Operating System: Windows 10
Browser (if applicable): Chrome 133.0.6943.53

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:

I expected a response from the deepseek-r1:14b.

Actual Behavior:

An error occurred and no response printed.

Description

Bug Summary:
I’m encountering an error specifically when using the Deepseek R1 model. Other general conversational models work without any issues, but the problem consistently occurs with Deepseek R1.

Reproduction Details

Steps to Reproduce:

Get the Deepseek R1 models from the Ollama.
Chat with that models.

Logs and Screenshots

Browser Console Logs:

+layout.svelte:99 usage {models: Array(1)}
MessageInput.svelte:717 
Chat.svelte:233 {chat_id: 'ba88d687-c4e7-4da4-8de1-d2920a51c9dc', message_id: '6be14451-cb0f-441c-b5f6-a78e2480c01c', data: {…}}
Chat.svelte:1208 {content: '\n<details type="reasoning" done="false">\n<summary>Thinking…</summary>\n\n</details>\n'}
Chat.svelte:1615 {status: true, task_id: '70420643-ebcc-4940-a0ed-e25242b75cec'}
Chat.svelte:233 {chat_id: 'ba88d687-c4e7-4da4-8de1-d2920a51c9dc', message_id: '6be14451-cb0f-441c-b5f6-a78e2480c01c', data: {…}}
Chat.svelte:1208 {content: '\n<details type="reasoning" done="false">\n<summary>Thinking…</summary>\n> \n> \n</details>\n'}
Chat.svelte:233 {chat_id: 'ba88d687-c4e7-4da4-8de1-d2920a51c9dc', message_id: '6be14451-cb0f-441c-b5f6-a78e2480c01c', data: {…}}
Chat.svelte:1208 {content: ''}
Chat.svelte:233 {chat_id: 'ba88d687-c4e7-4da4-8de1-d2920a51c9dc', message_id: '6be14451-cb0f-441c-b5f6-a78e2480c01c', data: {…}}
Chat.svelte:1208 {id: 'deepseek-r1:14b-ec5c4de6-dfe0-44d1-8150-7ddeb14be3fd', created: 1738749681, model: 'deepseek-r1:14b', choices: Array(1), object: 'chat.completion.chunk', …}
+layout.svelte:99 usage {models: Array(1)}
+layout.svelte:99 usage {models: Array(0)}

Docker Container Logs:

ERROR [asyncio] Task exception was never retrieved
future: <Task finished name='Task-4348' coro=<process_chat_response.<locals>.post_response_handler() done, defined at C:\Users\tlseh\AppData\Roaming\uv\tools\open-webui\Lib\site-packages\open_webui\utils\middleware.py:1126> exception=IndexError('list index out of range')>
Traceback (most recent call last):
  File "C:\Users\tlseh\AppData\Roaming\uv\tools\open-webui\Lib\site-packages\open_webui\utils\middleware.py", line 1479, in post_response_handler
    await stream_body_handler(response)
  File "C:\Users\tlseh\AppData\Roaming\uv\tools\open-webui\Lib\site-packages\open_webui\utils\middleware.py", line 1465, in stream_body_handler
    if content_blocks[-1]["type"] == "text":
       ~~~~~~~~~~~~~~^^^^
IndexError: list index out of range
ERROR [asyncio] Unclosed client session
client_session: <aiohttp.client.ClientSession object at 0x00000225D1E1EF50>
ERROR [asyncio] Unclosed connector
connections: ['deque([(<aiohttp.client_proto.ResponseHandler object at 0x00000225D1C79F60>, 262449.781)])']
connector: <aiohttp.connector.TCPConnector object at 0x00000225D1E1E310>

Screenshots/Screen Recordings (if applicable):
[Attach any relevant screenshots to help illustrate the issue]

Additional Information

[Include any additional details that may help in understanding and reproducing the issue. This could include specific configurations, error messages, or anything else relevant to the bug.]

Note

If the bug report is incomplete or does not follow the provided instructions, it may not be addressed. Please ensure that you have followed the steps outlined in the README.md and troubleshooting.md documents, and provide all necessary information for us to reproduce and address the issue. Thank you!

Originally created by @neuwcodebox on GitHub (Feb 5, 2025). Originally assigned to: @tjbck on GitHub. ## Installation Method [UV Tools](https://docs.astral.sh/uv/concepts/tools/) ## Environment - **Open WebUI Version:** v0.5.8 - **Ollama (if applicable):** v0.5.7 - **Operating System:** Windows 10 - **Browser (if applicable):** Chrome 133.0.6943.53 **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: I expected a response from the deepseek-r1:14b. ## Actual Behavior: An error occurred and no response printed. ## Description **Bug Summary:** I’m encountering an error specifically when using the Deepseek R1 model. Other general conversational models work without any issues, but the problem consistently occurs with Deepseek R1. ## Reproduction Details **Steps to Reproduce:** 1. Get the Deepseek R1 models from the Ollama. 2. Chat with that models. ## Logs and Screenshots **Browser Console Logs:** ``` +layout.svelte:99 usage {models: Array(1)} MessageInput.svelte:717 Chat.svelte:233 {chat_id: 'ba88d687-c4e7-4da4-8de1-d2920a51c9dc', message_id: '6be14451-cb0f-441c-b5f6-a78e2480c01c', data: {…}} Chat.svelte:1208 {content: '\n<details type="reasoning" done="false">\n<summary>Thinking…</summary>\n\n</details>\n'} Chat.svelte:1615 {status: true, task_id: '70420643-ebcc-4940-a0ed-e25242b75cec'} Chat.svelte:233 {chat_id: 'ba88d687-c4e7-4da4-8de1-d2920a51c9dc', message_id: '6be14451-cb0f-441c-b5f6-a78e2480c01c', data: {…}} Chat.svelte:1208 {content: '\n<details type="reasoning" done="false">\n<summary>Thinking…</summary>\n> \n> \n</details>\n'} Chat.svelte:233 {chat_id: 'ba88d687-c4e7-4da4-8de1-d2920a51c9dc', message_id: '6be14451-cb0f-441c-b5f6-a78e2480c01c', data: {…}} Chat.svelte:1208 {content: ''} Chat.svelte:233 {chat_id: 'ba88d687-c4e7-4da4-8de1-d2920a51c9dc', message_id: '6be14451-cb0f-441c-b5f6-a78e2480c01c', data: {…}} Chat.svelte:1208 {id: 'deepseek-r1:14b-ec5c4de6-dfe0-44d1-8150-7ddeb14be3fd', created: 1738749681, model: 'deepseek-r1:14b', choices: Array(1), object: 'chat.completion.chunk', …} +layout.svelte:99 usage {models: Array(1)} +layout.svelte:99 usage {models: Array(0)} ``` **Docker Container Logs:** ``` ERROR [asyncio] Task exception was never retrieved future: <Task finished name='Task-4348' coro=<process_chat_response.<locals>.post_response_handler() done, defined at C:\Users\tlseh\AppData\Roaming\uv\tools\open-webui\Lib\site-packages\open_webui\utils\middleware.py:1126> exception=IndexError('list index out of range')> Traceback (most recent call last): File "C:\Users\tlseh\AppData\Roaming\uv\tools\open-webui\Lib\site-packages\open_webui\utils\middleware.py", line 1479, in post_response_handler await stream_body_handler(response) File "C:\Users\tlseh\AppData\Roaming\uv\tools\open-webui\Lib\site-packages\open_webui\utils\middleware.py", line 1465, in stream_body_handler if content_blocks[-1]["type"] == "text": ~~~~~~~~~~~~~~^^^^ IndexError: list index out of range ERROR [asyncio] Unclosed client session client_session: <aiohttp.client.ClientSession object at 0x00000225D1E1EF50> ERROR [asyncio] Unclosed connector connections: ['deque([(<aiohttp.client_proto.ResponseHandler object at 0x00000225D1C79F60>, 262449.781)])'] connector: <aiohttp.connector.TCPConnector object at 0x00000225D1E1E310> ``` **Screenshots/Screen Recordings (if applicable):** [Attach any relevant screenshots to help illustrate the issue] ## Additional Information [Include any additional details that may help in understanding and reproducing the issue. This could include specific configurations, error messages, or anything else relevant to the bug.] ## Note If the bug report is incomplete or does not follow the provided instructions, it may not be addressed. Please ensure that you have followed the steps outlined in the README.md and troubleshooting.md documents, and provide all necessary information for us to reproduce and address the issue. Thank you!

GiteaMirror closed this issue

2025-11-11 15:34:22 -06:00

GiteaMirror commented

2025-11-11 15:34:23 -06:00