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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2021/06/14 07:14:12 UTC

[GitHub] [airflow] uranusjr commented on issue #16356: exception when root account goes to http://airflow.ordercapital.com/dag-dependencies

uranusjr commented on issue #16356:
URL: https://github.com/apache/airflow/issues/16356#issuecomment-859590374


   Actually no. The error message suggests `row[1]` is `None`, which is a value returned by Postgres’s `json_extract_path`:
   
   https://github.com/apache/airflow/blob/304e174674ff6921cb7ed79c0158949b50eff8fe/airflow/models/serialized_dag.py#L318-L321
   
   I *think* this means `data["dag"]["dag_dependencies"]` is not found or None? This is a new field in 2.1.0, but I think we didn’t migrate previously-serialised DAG rows correctly. Reading its original implementation (#13199), I think we should either add a data migration to backfill previously-serialised rows, or just pretend those DAGs don’t have dependencies.


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