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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2022/02/05 15:31:08 UTC

[GitHub] [airflow] danmactough commented on issue #13542: Task stuck in "scheduled" or "queued" state, pool has all slots queued, nothing is executing

danmactough commented on issue #13542:
URL: https://github.com/apache/airflow/issues/13542#issuecomment-1030645181


   > @val2k I may know why increasing the `try_number` didn't work. The DAG file that @danmactough posted is missing `session.commit()` after `session.merge()`. After the addition, the DAG file worked as intended for me.
   
   @jpkoponen At least in v2.0.2 (which is the only v2.x version available on AWS MWAA), there's no reason to call `session.commit()` when using the `@provide_session` decorator. It [creates the session](https://github.com/apache/airflow/blob/2.0.2/airflow/utils/session.py#L69), and [calls `session.commit()` for you](https://github.com/apache/airflow/blob/2.0.2/airflow/utils/session.py#L32).


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