atul-astronomer opened a new issue, #63257: URL: https://github.com/apache/airflow/issues/63257
### Apache Airflow version main (development) ### If "Other Airflow 3 version" selected, which one? _No response_ ### What happened? <img width="1461" height="655" alt="Image" src="https://github.com/user-attachments/assets/d6f1097f-a88a-40d9-b469-18257a6806e2"; /> **API SERVER Logs:** ```javascript INFO: 192.168.97.1:53630 - "GET /ui/backfills?limit=50&offset=0&dag_id=test_api_dag HTTP/1.1" 500 Internal Server Error ERROR: Exception in ASGI application Traceback (most recent call last): File "/usr/python/lib/python3.11/site-packages/uvicorn/protocols/http/httptools_impl.py", line 416, in run_asgi result = await app( # type: ignore[func-returns-value] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/python/lib/python3.11/site-packages/fastapi/applications.py", line 1160, in __call__ await super().__call__(scope, receive, send) File "/usr/python/lib/python3.11/site-packages/starlette/applications.py", line 107, in __call__ await self.middleware_stack(scope, receive, send) File "/usr/python/lib/python3.11/site-packages/starlette/middleware/errors.py", line 186, in __call__ raise exc File "/usr/python/lib/python3.11/site-packages/starlette/middleware/errors.py", line 164, in __call__ await self.app(scope, receive, _send) File "/usr/python/lib/python3.11/site-packages/starlette/middleware/gzip.py", line 29, in __call__ await responder(scope, receive, send) File "/usr/python/lib/python3.11/site-packages/starlette/middleware/gzip.py", line 130, in __call__ await super().__call__(scope, receive, send) File "/usr/python/lib/python3.11/site-packages/starlette/middleware/gzip.py", line 46, in __call__ await self.app(scope, receive, self.send_with_compression) File "/usr/python/lib/python3.11/site-packages/starlette/middleware/base.py", line 191, in __call__ with recv_stream, send_stream, collapse_excgroups(): File "/usr/python/lib/python3.11/contextlib.py", line 158, in __exit__ self.gen.throw(typ, value, traceback) File "/usr/python/lib/python3.11/site-packages/starlette/_utils.py", line 87, in collapse_excgroups raise exc File "/usr/python/lib/python3.11/site-packages/starlette/middleware/base.py", line 193, in __call__ response = await self.dispatch_func(request, call_next) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/airflow/airflow-core/src/airflow/api_fastapi/auth/middlewares/refresh_token.py", line 61, in dispatch response = await call_next(request) ^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/python/lib/python3.11/site-packages/starlette/middleware/base.py", line 168, in call_next raise app_exc from app_exc.__cause__ or app_exc.__context__ File "/usr/python/lib/python3.11/site-packages/starlette/middleware/base.py", line 144, in coro await self.app(scope, receive_or_disconnect, send_no_error) File "/usr/python/lib/python3.11/site-packages/starlette/middleware/exceptions.py", line 63, in __call__ await wrap_app_handling_exceptions(self.app, conn)(scope, receive, send) File "/usr/python/lib/python3.11/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app raise exc File "/usr/python/lib/python3.11/site-packages/starlette/_exception_handler.py", line 42, in wrapped_app await app(scope, receive, sender) File "/usr/python/lib/python3.11/site-packages/fastapi/middleware/asyncexitstack.py", line 18, in __call__ await self.app(scope, receive, send) File "/usr/python/lib/python3.11/site-packages/starlette/routing.py", line 716, in __call__ await self.middleware_stack(scope, receive, send) File "/usr/python/lib/python3.11/site-packages/starlette/routing.py", line 736, in app await route.handle(scope, receive, send) File "/usr/python/lib/python3.11/site-packages/starlette/routing.py", line 290, in handle await self.app(scope, receive, send) File "/usr/python/lib/python3.11/site-packages/fastapi/routing.py", line 130, in app await wrap_app_handling_exceptions(app, request)(scope, receive, send) File "/usr/python/lib/python3.11/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app raise exc File "/usr/python/lib/python3.11/site-packages/starlette/_exception_handler.py", line 42, in wrapped_app await app(scope, receive, sender) File "/usr/python/lib/python3.11/site-packages/fastapi/routing.py", line 116, in app response = await f(request) ^^^^^^^^^^^^^^^^ File "/usr/python/lib/python3.11/site-packages/fastapi/routing.py", line 691, in app content = await serialize_response( ^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/python/lib/python3.11/site-packages/fastapi/routing.py", line 302, in serialize_response return serializer( ^^^^^^^^^^^ File "/usr/python/lib/python3.11/site-packages/fastapi/_compat/v2.py", line 218, in serialize_json return self._type_adapter.dump_json( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/python/lib/python3.11/site-packages/pydantic/type_adapter.py", line 672, in dump_json return self.serializer.to_json( ^^^^^^^^^^^^^^^^^^^^^^^^ pydantic_core._pydantic_core.PydanticSerializationError: Error serializing to JSON: ValidationError: 1 validation error for ValidatorIterator 1.dag_run_conf Input should be a valid dictionary [type=dict_type, input_value=None, input_type=NoneType] ``` ### What you think should happen instead? _No response_ ### How to reproduce 1. Checkout to 3.2.0b1 tag. 2. Run backfill on any Dag using CLI 3. Once backfill process id done, navigate to the backfill tab on UI and notice the error ### Operating System Linux ### Versions of Apache Airflow Providers _No response_ ### Deployment Other ### Deployment details _No response_ ### Anything else? _No response_ ### Are you willing to submit PR? - [ ] Yes I am willing to submit a PR! ### Code of Conduct - [x] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
