[I] Scheduler Crashing || when depends_on_past used in DAG params [airflow]

["vatsrahul1001 (via GitHub)" <gi...@apache.org>]

vatsrahul1001 opened a new issue, #47296:
URL: https://github.com/apache/airflow/issues/47296

   ### Apache Airflow version
   
   3.0.0
   
   ### If "Other Airflow 2 version" selected, which one?
   
   _No response_
   
   ### What happened?
   
   When `depends_on_past` is set as True in the DAG level. Scheduler is crashing.
   
   ### What you think should happen instead?
   
   _No response_
   
   ### How to reproduce
   
   1. Execute a DAG which uses `depends_on_past`= True 
   
   
   ```
   from airflow.utils.task_group import TaskGroup
   from airflow.utils.edgemodifier import Label
   from airflow.models.baseoperator import chain
   from airflow.providers.standard.operators.bash import BashOperator
   from airflow.providers.standard.operators.empty import EmptyOperator
   from airflow.models.dag import DAG
   
   from datetime import datetime, timedelta
   
   two_days = datetime.now() - timedelta(days=2)
   
   default_args = {"owner": "airflow", "depends_on_past": True}
   
   with DAG(
       dag_id="chain_tasks_and_task_groups",
       schedule=None,
       default_args=default_args,
       tags=["core"],
   ) as dag:
       t0 = BashOperator(task_id="sleep_3_seconds", bash_command="sleep 3")
   
       with TaskGroup(group_id="group1") as taskgroup1:
           t1 = EmptyOperator(task_id="dummmy1")
           t2 = EmptyOperator(task_id="dummy2")
           t3 = EmptyOperator(task_id="dummy3")
   
       t7 = BashOperator(task_id="bash_echo", bash_command="echo continue..")
   
       t8 = EmptyOperator(task_id="dummy4")
       t9 = EmptyOperator(task_id="dummy5")
       t10 = EmptyOperator(task_id="dummy6")
       t11 = EmptyOperator(task_id="dummy7")
       t12 = EmptyOperator(task_id="dummy8")
   
   
   # chaining tasks and task groups with labels for regular tasks and grouped tasks
   chain(
       t0,
       [Label("branching to group tasks"), Label("stuff")],
       taskgroup1,
       t7,
       [
           Label("branch one"),
           Label("branch two"),
           Label("branch three"),
           Label("branch four"),
           Label("branch five"),
       ],
       [t8, t9, t10, t11, t12],
   )
   ```
   
   
   ### 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)
   


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Re: [I] Scheduler Crashing || when depends_on_past used in DAG params [airflow]

["ephraimbuddy (via GitHub)" <gi...@apache.org>]

ephraimbuddy closed issue #47296: Scheduler Crashing || when depends_on_past used in DAG params
URL: https://github.com/apache/airflow/issues/47296


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