humit0 opened a new issue #19671:
URL: https://github.com/apache/airflow/issues/19671
### Apache Airflow version
2.2.0
### Operating System
CentOS 7
### Versions of Apache Airflow Providers
_No response_
### Deployment
Other
### Deployment details
_No response_
### What happened
Scheduler process is killed with errors.
```
[2021-11-18 11:41:49,826] {scheduler_job.py:603} ERROR - Exception when
executing SchedulerJob._run_scheduler_loop
Traceback (most recent call last):
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/jobs/scheduler_job.py",
line 587, in _execute
self._run_scheduler_loop()
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/jobs/scheduler_job.py",
line 680, in _run_scheduler_loop
next_event = timers.run(blocking=False)
File "/opt/rh/rh-python38/root/usr/lib64/python3.8/sched.py", line 151, in
run
action(*argument, **kwargs)
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/utils/event_scheduler.py",
line 36, in repeat
action(*args, **kwargs)
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/utils/session.py", line
70, in wrapper
return func(*args, session=session, **kwargs)
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/jobs/scheduler_job.py",
line 1069, in adopt_or_reset_orphaned_tasks
for attempt in run_with_db_retries(logger=self.log):
File "/opt/app-root/lib64/python3.8/site-packages/tenacity/__init__.py",
line 382, in __iter__
do = self.iter(retry_state=retry_state)
File "/opt/app-root/lib64/python3.8/site-packages/tenacity/__init__.py",
line 349, in iter
return fut.result()
File
"/opt/rh/rh-python38/root/usr/lib64/python3.8/concurrent/futures/_base.py",
line 432, in result
return self.__get_result()
File
"/opt/rh/rh-python38/root/usr/lib64/python3.8/concurrent/futures/_base.py",
line 388, in __get_result
raise self._exception
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/jobs/scheduler_job.py",
line 1113, in adopt_or_reset_orphaned_tasks
to_reset = self.executor.try_adopt_task_instances(tis_to_reset_or_adopt)
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/executors/celery_executor.py",
line 485, in try_adopt_task_instances
self.adopted_task_timeouts[ti.key] = ti.queued_dttm +
self.task_adoption_timeout
TypeError: unsupported operand type(s) for +: 'NoneType' and
'datetime.timedelta'
[2021-11-18 11:41:50,850] {process_utils.py:100} INFO - Sending
Signals.SIGTERM to GPID 41
[2021-11-18 11:41:51,103] {process_utils.py:66} INFO - Process
psutil.Process(pid=41, status='terminated', exitcode=0, started='11:00:42')
(41) terminated with exit code 0
[2021-11-18 11:41:51,104] {scheduler_job.py:614} INFO - Exited execute loop
Traceback (most recent call last):
File "/opt/app-root/bin/airflow", line 8, in <module>
sys.exit(main())
File "/opt/app-root/lib64/python3.8/site-packages/airflow/__main__.py",
line 40, in main
args.func(args)
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/cli/cli_parser.py", line
48, in command
return func(*args, **kwargs)
File "/opt/app-root/lib64/python3.8/site-packages/airflow/utils/cli.py",
line 92, in wrapper
return f(*args, **kwargs)
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/cli/commands/scheduler_command.py",
line 75, in scheduler
_run_scheduler_job(args=args)
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/cli/commands/scheduler_command.py",
line 46, in _run_scheduler_job
job.run()
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/jobs/base_job.py", line
245, in run
self._execute()
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/jobs/scheduler_job.py",
line 587, in _execute
self._run_scheduler_loop()
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/jobs/scheduler_job.py",
line 680, in _run_scheduler_loop
next_event = timers.run(blocking=False)
File "/opt/rh/rh-python38/root/usr/lib64/python3.8/sched.py", line 151, in
run
action(*argument, **kwargs)
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/utils/event_scheduler.py",
line 36, in repeat
action(*args, **kwargs)
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/utils/session.py", line
70, in wrapper
return func(*args, session=session, **kwargs)
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/jobs/scheduler_job.py",
line 1069, in adopt_or_reset_orphaned_tasks
for attempt in run_with_db_retries(logger=self.log):
File "/opt/app-root/lib64/python3.8/site-packages/tenacity/__init__.py",
line 382, in __iter__
do = self.iter(retry_state=retry_state)
File "/opt/app-root/lib64/python3.8/site-packages/tenacity/__init__.py",
line 349, in iter
return fut.result()
File
"/opt/rh/rh-python38/root/usr/lib64/python3.8/concurrent/futures/_base.py",
line 432, in result
return self.__get_result()
File
"/opt/rh/rh-python38/root/usr/lib64/python3.8/concurrent/futures/_base.py",
line 388, in __get_result
raise self._exception
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/jobs/scheduler_job.py",
line 1113, in adopt_or_reset_orphaned_tasks
to_reset = self.executor.try_adopt_task_instances(tis_to_reset_or_adopt)
File
"/opt/app-root/lib64/python3.8/site-packages/airflow/executors/celery_executor.py",
line 485, in try_adopt_task_instances
self.adopted_task_timeouts[ti.key] = ti.queued_dttm +
self.task_adoption_timeout
TypeError: unsupported operand type(s) for +: 'NoneType' and
'datetime.timedelta'
```
### What you expected to happen
_No response_
### How to reproduce
Environment Variables
```bash
export AIRFLOW_HOME="/home/deploy/bi-airflow"
export AIRFLOW__CORE__SQL_ALCHEMY_CONN="mysql://****/airflow?charset=utf8mb4"
export AIRFLOW__CORE__LOAD_EXAMPLES="False"
export AIRFLOW__CORE__LOAD_DEFAULT_CONNECTIONS="False"
export AIRFLOW__CORE__DEFAULT_TIMEZONE="Asia/Seoul"
export AIRFLOW__WEBSERVER__DEFAULT_UI_TIMEZONE="Asia/Seoul"
export AIRFLOW__API__AUTH_BACKEND="airflow.api.auth.backend.basic_auth"
export AIRFLOW__WEBSERVER__RELOAD_ON_PLUGIN_CHANGE="True"
export AIRFLOW__CELERY__BROKER_URL="pyamqp://******/airflow"
export
AIRFLOW__CELERY__RESULT_BACKEND="db+mysql://*****/airflow?charset=utf8mb4"
export AIRFLOW__CELERY__FLOWER_URL_PREFIX="/flower"
export AIRFLOW__CORE__FERNET_KEY="*******"
# Required parts for reproduce!
export AIRFLOW__CORE__EXECUTOR="CeleryExecutor"
export AIRFLOW__SCHEDULER__ORPHANED_TASKS_CHECK_INTERVAL="30.0"
export AIRFLOW__SCHEDULER__DAG_DIR_LIST_INTERVAL="10"
```
Dag files
```python
from datetime import datetime, timedelta
import time
from airflow import DAG
from airflow.operators.python import PythonOperator
default_args = {
"owner": "deploy",
"start_date": datetime(2021, 10, 1),
"end_date": datetime(2021, 10, 25),
"retries": 2,
"retry_delay": timedelta(minutes=20),
"depends_on_past": False,
}
def sleep_func(t: float):
print(f"sleeping {t} sec...")
time.sleep(t)
print("sleep end...")
with DAG(
dag_id="active_run_test",
default_args=default_args,
schedule_interval="5 0 * * *",
max_active_runs=32,
catchup=True,
) as dag:
t1 = PythonOperator(task_id="sleep_task1", python_callable=sleep_func,
op_kwargs={"t": 120})
t2 = PythonOperator(task_id="sleep_task2", python_callable=sleep_func,
op_kwargs={"t": 70})
t3 = PythonOperator(task_id="sleep_task3", python_callable=sleep_func,
op_kwargs={"t": 80})
t1 >> t2 >> t3
```
1. Go to `active_run_test` dag site.
2. Turn on `active_run_test` dag
3. Run `sleep_task1` task (which run_id:
scheduled__2021-10-22T15:05:00+00:00) with "Ignore All Deps"
When the state of `sleep_task1` task changes `running`, scheduler processer
raise exception at `adopt_or_reset_orphaned_tasks` method.
### Anything else
_No response_
### Are you willing to submit PR?
- [X] 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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