vatsrahul1001 opened a new issue, #49613:
URL: https://github.com/apache/airflow/issues/49613
### Apache Airflow version
3.0.0
### If "Other Airflow 2 version" selected, which one?
_No response_
### What happened?
The API server crashed because we do not have FAB as a core dependency in
AIrflow3. The migration from Airflow 2 to Airflow3 with AF2 plugins did not
work.
```
Traceback (most recent call last):
File "/usr/local/lib/python3.12/multiprocessing/process.py", line 314, in
_bootstrap
self.run()
File "/usr/local/lib/python3.12/multiprocessing/process.py", line 108, in
run
self._target(*self._args, **self._kwargs)
File "/usr/local/lib/python3.12/site-packages/uvicorn/_subprocess.py",
line 80, in subprocess_started
target(sockets=sockets)
File
"/usr/local/lib/python3.12/site-packages/uvicorn/supervisors/multiprocess.py",
line 63, in target
return self.real_target(sockets)
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/uvicorn/server.py", line 66,
in run
return asyncio.run(self.serve(sockets=sockets))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/asyncio/runners.py", line 195, in run
return runner.run(main)
^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/asyncio/runners.py", line 118, in run
return self._loop.run_until_complete(task)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "uvloop/loop.pyx", line 1518, in uvloop.loop.Loop.run_until_complete
File "/usr/local/lib/python3.12/site-packages/uvicorn/server.py", line 70,
in serve
await self._serve(sockets)
File "/usr/local/lib/python3.12/site-packages/uvicorn/server.py", line 77,
in _serve
config.load()
File "/usr/local/lib/python3.12/site-packages/uvicorn/config.py", line
435, in load
self.loaded_app = import_from_string(self.app)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/uvicorn/importer.py", line
19, in import_from_string
module = importlib.import_module(module_str)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/importlib/__init__.py", line 90, in
import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "<frozen importlib._bootstrap>", line 1387, in _gcd_import
File "<frozen importlib._bootstrap>", line 1360, in _find_and_load
File "<frozen importlib._bootstrap>", line 1331, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 935, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 999, in exec_module
File "<frozen importlib._bootstrap>", line 488, in
_call_with_frames_removed
File
"/usr/local/lib/python3.12/site-packages/airflow/api_fastapi/main.py", line 27,
in <module>
app = cached_app(apps=os.environ.get("AIRFLOW_API_APPS", "all"))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/airflow/api_fastapi/app.py",
line 109, in cached_app
app = create_app(apps=apps)
^^^^^^^^^^^^^^^^^^^^^
File
"/usr/local/lib/python3.12/site-packages/airflow/utils/providers_configuration_loader.py",
line 55, in wrapped_function
return func(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/airflow/api_fastapi/app.py",
line 95, in create_app
init_flask_plugins(app)
File
"/usr/local/lib/python3.12/site-packages/airflow/api_fastapi/core_api/app.py",
line 121, in init_flask_plugins
raise AirflowException(
airflow.exceptions.AirflowException: Some Airflow 2 plugins have been
detected in your environment. To run them with Airflow 3, you must install the
FAB provider in your Airflow environment.
INFO: Waiting for child process [246]
INFO: Stopping parent process [7]
Stream closed EOF for
blazing-cosmos-5489/blazing-cosmos-5489-apiserver-8f774bc59-wvx45 (apiserver)
```
### What you think should happen instead?
_No response_
### How to reproduce
1. Migrated from AF2 to AF3
2. Have airflow 2 plugins
3. Ensure with AF3 instance you do not have FAB
### Operating System
Linux
### Versions of Apache Airflow Providers
_No response_
### Deployment
Official Apache Airflow Helm Chart
### 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)
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