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werkzeug.exceptions.InternalServerError: 500 Internal Server Error #4200

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opened 2026-02-21 18:05:11 -05:00 by yindo · 5 comments
yindo commented 2026-02-21 18:05:11 -05:00
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Originally created by @yuhp-zts on GitHub (Jun 20, 2024).

Originally assigned to: @takatost on GitHub.

Self Checks

  • This is only for bug report, if you would like to ask a question, please head to Discussions.
  • I have searched for existing issues search for existing issues, including closed ones.
  • I confirm that I am using English to submit this report (我已阅读并同意 Language Policy).
  • Please do not modify this template :) and fill in all the required fields.

Dify version

0.6.10

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

I get an error when using an agent for RAG Q&A.

Traceback (most recent call last):
File "/usr/local/lib/python3.10/site-packages/flask/app.py", line 880, in full_dispatch_request
rv = self.dispatch_request()
File "/usr/local/lib/python3.10/site-packages/flask/app.py", line 865, in dispatch_request
return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args) # type: ignore[no-any-return]
File "/usr/local/lib/python3.10/site-packages/flask_restful/__init__.py", line 489, in wrapper
resp = resource(*args, **kwargs)
File "/usr/local/lib/python3.10/site-packages/flask/views.py", line 110, in view
return current_app.ensure_sync(self.dispatch_request)(**kwargs) # type: ignore[no-any-return]
File "/usr/local/lib/python3.10/site-packages/flask_restful/__init__.py", line 604, in dispatch_request
resp = meth(*args, **kwargs)
File "/app/api/libs/login.py", line 91, in decorated_view
return current_app.ensure_sync(func)(*args, **kwargs)
File "/app/api/controllers/console/wraps.py", line 21, in decorated
return view(*args, **kwargs)
File "/app/api/controllers/console/explore/wraps.py", line 39, in decorated
return view(installed_app, *args, **kwargs)
File "/app/api/controllers/console/explore/message.py", line 152, in get
raise InternalServerError()
werkzeug.exceptions.InternalServerError: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.

✔️ Expected Behavior

No response

❌ Actual Behavior

No response

Originally created by @yuhp-zts on GitHub (Jun 20, 2024). Originally assigned to: @takatost on GitHub. ### Self Checks - [X] This is only for bug report, if you would like to ask a question, please head to [Discussions](https://github.com/langgenius/dify/discussions/categories/general). - [X] I have searched for existing issues [search for existing issues](https://github.com/langgenius/dify/issues), including closed ones. - [X] I confirm that I am using English to submit this report (我已阅读并同意 [Language Policy](https://github.com/langgenius/dify/issues/1542)). - [X] Please do not modify this template :) and fill in all the required fields. ### Dify version 0.6.10 ### Cloud or Self Hosted Self Hosted (Docker) ### Steps to reproduce I get an error when using an agent for RAG Q&A. Traceback (most recent call last): File "/usr/local/lib/python3.10/site-packages/flask/app.py", line 880, in full_dispatch_request rv = self.dispatch_request() File "/usr/local/lib/python3.10/site-packages/flask/app.py", line 865, in dispatch_request return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args) # type: ignore[no-any-return] File "/usr/local/lib/python3.10/site-packages/flask_restful/__init__.py", line 489, in wrapper resp = resource(*args, **kwargs) File "/usr/local/lib/python3.10/site-packages/flask/views.py", line 110, in view return current_app.ensure_sync(self.dispatch_request)(**kwargs) # type: ignore[no-any-return] File "/usr/local/lib/python3.10/site-packages/flask_restful/__init__.py", line 604, in dispatch_request resp = meth(*args, **kwargs) File "/app/api/libs/login.py", line 91, in decorated_view return current_app.ensure_sync(func)(*args, **kwargs) File "/app/api/controllers/console/wraps.py", line 21, in decorated return view(*args, **kwargs) File "/app/api/controllers/console/explore/wraps.py", line 39, in decorated return view(installed_app, *args, **kwargs) File "/app/api/controllers/console/explore/message.py", line 152, in get raise InternalServerError() werkzeug.exceptions.InternalServerError: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application. ### ✔️ Expected Behavior _No response_ ### ❌ Actual Behavior _No response_
yindo added the 🐞 bug label 2026-02-21 18:05:11 -05:00
yindo closed this issue 2026-02-21 18:05:11 -05:00
yindo commented 2026-02-21 18:05:11 -05:00
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@dosubot[bot] commented on GitHub (Jun 20, 2024):

The "werkzeug.exceptions.InternalServerError: 500 Internal Server Error" in your self-hosted Dify version 0.6.10 setup is likely due to a version mismatch between the web and api services in your Docker setup. Specifically, your web service is using langgenius/dify-web:0.6.10, while your api service is using langgenius/dify-api:0.6.11. This mismatch can cause compatibility issues.

To resolve this, ensure both services use the same version. Update the web service to use langgenius/dify-web:0.6.11 in your docker-compose.yaml:

# Frontend web application.
  web:
    image: langgenius/dify-web:0.6.11
    restart: always
    environment:
      CONSOLE_API_URL: ''
      APP_API_URL: ''
      SENTRY_DSN: ''
    # uncomment to expose dify-web port to host
    # ports:
    #   - "3000:3000"

This should help avoid the internal server error by ensuring compatibility between the web and api services [1].

To continue talking to Dosu, mention @dosu.

@dosubot[bot] commented on GitHub (Jun 20, 2024): <!-- Answer --> The "werkzeug.exceptions.InternalServerError: 500 Internal Server Error" in your self-hosted Dify version 0.6.10 setup is likely due to a version mismatch between the `web` and `api` services in your Docker setup. Specifically, your `web` service is using `langgenius/dify-web:0.6.10`, while your `api` service is using `langgenius/dify-api:0.6.11`. This mismatch can cause compatibility issues. To resolve this, ensure both services use the same version. Update the `web` service to use `langgenius/dify-web:0.6.11` in your `docker-compose.yaml`: ```yaml # Frontend web application. web: image: langgenius/dify-web:0.6.11 restart: always environment: CONSOLE_API_URL: '' APP_API_URL: '' SENTRY_DSN: '' # uncomment to expose dify-web port to host # ports: # - "3000:3000" ``` This should help avoid the internal server error by ensuring compatibility between the `web` and `api` services <sup>[[1]](https://github.com/langgenius/dify/blob/main/docker/docker-compose.yaml)</sup>. <!-- Dosu Comment Footer --> *To continue talking to [Dosu](https://dosu.dev), mention @dosu.*
yindo commented 2026-02-21 18:05:11 -05:00
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@yuhp-zts commented on GitHub (Jun 20, 2024):

The "werkzeug.exceptions.InternalServerError: 500 Internal Server Error" in your self-hosted Dify version 0.6.10 setup is likely due to a version mismatch between the web and api services in your Docker setup. Specifically, your web service is using langgenius/dify-web:0.6.10, while your api service is using langgenius/dify-api:0.6.11. This mismatch can cause compatibility issues.

To resolve this, ensure both services use the same version. Update the web service to use langgenius/dify-web:0.6.11 in your docker-compose.yaml:

# Frontend web application.
  web:
    image: langgenius/dify-web:0.6.11
    restart: always
    environment:
      CONSOLE_API_URL: ''
      APP_API_URL: ''
      SENTRY_DSN: ''
    # uncomment to expose dify-web port to host
    # ports:
    #   - "3000:3000"

This should help avoid the internal server error by ensuring compatibility between the web and api services [1].

To continue talking to Dosu, mention @dosu.

The service versions in my docker-compose.yaml file are as follows:
web:
image: langgenius/dify-web:0.6.10
worker:
image: langgenius/dify-api:0.6.10
api:
image: langgenius/dify-api:0.6.10

@yuhp-zts commented on GitHub (Jun 20, 2024): > The "werkzeug.exceptions.InternalServerError: 500 Internal Server Error" in your self-hosted Dify version 0.6.10 setup is likely due to a version mismatch between the `web` and `api` services in your Docker setup. Specifically, your `web` service is using `langgenius/dify-web:0.6.10`, while your `api` service is using `langgenius/dify-api:0.6.11`. This mismatch can cause compatibility issues. > > To resolve this, ensure both services use the same version. Update the `web` service to use `langgenius/dify-web:0.6.11` in your `docker-compose.yaml`: > > ```yaml > # Frontend web application. > web: > image: langgenius/dify-web:0.6.11 > restart: always > environment: > CONSOLE_API_URL: '' > APP_API_URL: '' > SENTRY_DSN: '' > # uncomment to expose dify-web port to host > # ports: > # - "3000:3000" > ``` > > This should help avoid the internal server error by ensuring compatibility between the `web` and `api` services [[1]](https://github.com/langgenius/dify/blob/main/docker/docker-compose.yaml). > > _To continue talking to [Dosu](https://dosu.dev), mention @dosu._ The service versions in my docker-compose.yaml file are as follows: web: image: langgenius/dify-web:0.6.10 worker: image: langgenius/dify-api:0.6.10 api: image: langgenius/dify-api:0.6.10
yindo commented 2026-02-21 18:05:11 -05:00
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@dosubot[bot] commented on GitHub (Jun 20, 2024):

The error traceback indicates that the InternalServerError is being raised explicitly in the get method of the message.py file at line 152. This suggests that there is a condition in your code that triggers this error.

Given that your docker-compose.yaml file shows that all services (web, worker, and api) are using version 0.6.10, the issue might not be related to version mismatches. However, there could be other underlying issues such as misconfigurations or missing dependencies.

To resolve this issue, you can try the following steps:

  1. Check Logs for More Details: Look at the logs of the api service to get more details about what might be causing the InternalServerError. You can do this by running:

    docker-compose logs api

  2. Enable Debug Mode: Temporarily enable debug mode in your docker-compose.yaml for the api service to get more detailed logs:

    api:
  image: langgenius/dify-api:0.6.10
  restart: always
  environment:
    DEBUG: 'true'
    # other environment variables

  3. Database and Redis Connectivity: Ensure that the api service can connect to the db and redis services. You can check the connectivity by running:

    docker-compose exec api ping db
docker-compose exec api ping redis

  4. Check for Missing Migrations: Ensure that all database migrations have been applied. You can do this by running:

    docker-compose exec api flask db upgrade

  5. Inspect the Code: Look at the message.py file, specifically around line 152, to understand why the InternalServerError is being raised. There might be a condition that is not being handled properly.

If the issue persists after these steps, you might need to provide more specific logs or code snippets around the error to get further assistance [1].

To continue talking to Dosu, mention @dosu.

@dosubot[bot] commented on GitHub (Jun 20, 2024): <!-- Answer --> The error traceback indicates that the `InternalServerError` is being raised explicitly in the `get` method of the `message.py` file at line 152. This suggests that there is a condition in your code that triggers this error. Given that your `docker-compose.yaml` file shows that all services (`web`, `worker`, and `api`) are using version `0.6.10`, the issue might not be related to version mismatches. However, there could be other underlying issues such as misconfigurations or missing dependencies. To resolve this issue, you can try the following steps: 1. **Check Logs for More Details**: Look at the logs of the `api` service to get more details about what might be causing the `InternalServerError`. You can do this by running: ```sh docker-compose logs api ``` 2. **Enable Debug Mode**: Temporarily enable debug mode in your `docker-compose.yaml` for the `api` service to get more detailed logs: ```yaml api: image: langgenius/dify-api:0.6.10 restart: always environment: DEBUG: 'true' # other environment variables ``` 3. **Database and Redis Connectivity**: Ensure that the `api` service can connect to the `db` and `redis` services. You can check the connectivity by running: ```sh docker-compose exec api ping db docker-compose exec api ping redis ``` 4. **Check for Missing Migrations**: Ensure that all database migrations have been applied. You can do this by running: ```sh docker-compose exec api flask db upgrade ``` 5. **Inspect the Code**: Look at the `message.py` file, specifically around line 152, to understand why the `InternalServerError` is being raised. There might be a condition that is not being handled properly. If the issue persists after these steps, you might need to provide more specific logs or code snippets around the error to get further assistance <sup>[[1]](https://github.com/langgenius/dify/blob/main/docker/docker-compose.yaml)</sup>. <!-- Dosu Comment Footer --> *To continue talking to [Dosu](https://dosu.dev), mention @dosu.*
yindo commented 2026-02-21 18:05:11 -05:00
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@crazywoola commented on GitHub (Jun 29, 2024):

Can you upgrade to latest version to see if this issue persists?

@crazywoola commented on GitHub (Jun 29, 2024): Can you upgrade to latest version to see if this issue persists?
yindo commented 2026-02-21 18:05:11 -05:00
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@yuhp-zts commented on GitHub (Jun 30, 2024):

Can you upgrade to latest version to see if this issue persists?

This issue is not present in the latest version.

@yuhp-zts commented on GitHub (Jun 30, 2024): > Can you upgrade to latest version to see if this issue persists? This issue is not present in the latest version.
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