juroVee commented on issue #18843:
URL: https://github.com/apache/airflow/issues/18843#issuecomment-961938154
@kaxil Hi, yesterday we've upgraded to 2.2.1, so I've tested it by deleting
DAG file during runtime:
```
...
[2021-11-05 14:15:12,459] {manager.py:1051} INFO - Finding 'running' jobs
without a recent heartbeat
[2021-11-05 14:15:12,459] {manager.py:1055} INFO - Failing jobs without
heartbeat after 2021-11-05 14:05:12.459285+00:00
Process ForkProcess-1:
Traceback (most recent call last):
File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in
_bootstrap
self.run()
File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in
run
self._target(*self._args, **self._kwargs)
File
"/home/airflow/.local/lib/python3.9/site-packages/airflow/dag_processing/manager.py",
line 277, in _run_processor_manager
processor_manager.start()
File
"/home/airflow/.local/lib/python3.9/site-packages/airflow/dag_processing/manager.py",
line 510, in start
return self._run_parsing_loop()
File
"/home/airflow/.local/lib/python3.9/site-packages/airflow/dag_processing/manager.py",
line 583, in _run_parsing_loop
self.prepare_file_path_queue()
File
"/home/airflow/.local/lib/python3.9/site-packages/airflow/dag_processing/manager.py",
line 978, in prepare_file_path_queue
files_with_mtime[file_path] = os.path.getmtime(file_path)
File "/usr/local/lib/python3.9/genericpath.py", line 55, in getmtime
return os.stat(filename).st_mtime
FileNotFoundError: [Errno 2] No such file or directory: 'dagfile.py'
[2021-11-05 14:15:13,543] {manager.py:308} WARNING - DagFileProcessorManager
(PID=57) exited with exit code 1 - re-launching
[2021-11-05 14:15:13,550] {manager.py:163} INFO - Launched
DagFileProcessorManager with pid: 24817
[2021-11-05 14:15:13,561] {settings.py:52} INFO - Configured default
timezone Timezone('America/Chicago')
...
```
Scheduler survived - so it seems we are good here. Thank you!
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