[jira] [Created] (AIRFLOW-5069) `airflow initdb` crashes when owner set to None

["Arsen Arutyunyan (JIRA)" <ji...@apache.org>]

Arsen Arutyunyan created AIRFLOW-5069:
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             Summary: `airflow initdb` crashes when owner set to None
                 Key: AIRFLOW-5069
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-5069
             Project: Apache Airflow
          Issue Type: Bug
          Components: cli, database
    Affects Versions: 1.10.3
            Reporter: Arsen Arutyunyan


`airflow initdb` crashes when there is a dag in dag folder that has owner set to None. It crashes with the following error:
{code:java}
Traceback (most recent call last):
File "/usr/local/bin/airflow", line 32, in <module>
args.func(args)
File "/usr/local/lib/python3.6/site-packages/airflow/bin/cli.py", line 1096, in initdb
db.initdb(settings.RBAC)
File "/usr/local/lib/python3.6/site-packages/airflow/utils/db.py", line 317, in initdb
dag.sync_to_db()
File "/usr/local/lib/python3.6/site-packages/airflow/utils/db.py", line 73, in wrapper
return func(*args, **kwargs)
File "/usr/local/lib/python3.6/site-packages/airflow/models/__init__.py", line 4105, in sync_to_db
owner = self.owner
File "/usr/local/lib/python3.6/site-packages/airflow/models/__init__.py", line 3381, in owner
return ", ".join(list(set([t.owner for t in self.tasks])))
TypeError: sequence item 0: expected str instance, NoneType found{code}
 

This command which sole role is to initialize metadata database lies on the critical path of any Airflow deployment. Having bad dag in dag folder should not lead to the failure of this command.



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