[GitHub] [airflow] warrenstephens commented on issue #15607: airflow throws error: airflow.exceptions.SerializedDagNotFound: DAG 'dns-basic-1min' not found in serialized_dag table

[GitBox <gi...@apache.org>]

warrenstephens commented on issue #15607:
URL: https://github.com/apache/airflow/issues/15607#issuecomment-874943564


   Using airflow 2.1.1 with docker-compose as well.
   
   I would love to be able to clean out this DAG 'tutorial' stuff, but I have no idea where the "serialized dag table" is!  How do I get to it?
   
   ```
   airflow-webserver_1  | 172.20.0.1 - - [06/Jul/2021:17:15:43 +0000] "GET /object/task_instances?dag_id=annotate_dug&execution_date=2021-07-02T21%3A19%3A24.504747%2B00%3A00 HTTP/1.1" 200 4564 "http://localhost:8080/graph?dag_id=annotate_dug" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36"
   airflow-webserver_1  | [2021-07-06 17:15:45,148] {app.py:1891} ERROR - Exception on /object/task_instances [GET]
   airflow-webserver_1  | Traceback (most recent call last):
   airflow-webserver_1  |   File "/home/airflow/.local/lib/python3.8/site-packages/flask/app.py", line 2447, in wsgi_app
   airflow-webserver_1  |     response = self.full_dispatch_request()
   airflow-webserver_1  |   File "/home/airflow/.local/lib/python3.8/site-packages/flask/app.py", line 1952, in full_dispatch_request
   airflow-webserver_1  |     rv = self.handle_user_exception(e)
   airflow-webserver_1  |   File "/home/airflow/.local/lib/python3.8/site-packages/flask/app.py", line 1821, in handle_user_exception
   airflow-webserver_1  |     reraise(exc_type, exc_value, tb)
   airflow-webserver_1  |   File "/home/airflow/.local/lib/python3.8/site-packages/flask/_compat.py", line 39, in reraise
   airflow-webserver_1  |     raise value
   airflow-webserver_1  |   File "/home/airflow/.local/lib/python3.8/site-packages/flask/app.py", line 1950, in full_dispatch_request
   airflow-webserver_1  |     rv = self.dispatch_request()
   airflow-webserver_1  |   File "/home/airflow/.local/lib/python3.8/site-packages/flask/app.py", line 1936, in dispatch_request
   airflow-webserver_1  |     return self.view_functions[rule.endpoint](**req.view_args)
   airflow-webserver_1  |   File "/home/airflow/.local/lib/python3.8/site-packages/airflow/www/auth.py", line 34, in decorated
   airflow-webserver_1  |     return func(*args, **kwargs)
   airflow-webserver_1  |   File "/home/airflow/.local/lib/python3.8/site-packages/airflow/www/decorators.py", line 60, in wrapper
   airflow-webserver_1  |     return f(*args, **kwargs)
   airflow-webserver_1  |   File "/home/airflow/.local/lib/python3.8/site-packages/airflow/www/views.py", line 2611, in task_instances
   airflow-webserver_1  |     dag = current_app.dag_bag.get_dag(dag_id)
   airflow-webserver_1  |   File "/home/airflow/.local/lib/python3.8/site-packages/airflow/utils/session.py", line 65, in wrapper
   airflow-webserver_1  |     return func(*args, session=session, **kwargs)
   airflow-webserver_1  |   File "/home/airflow/.local/lib/python3.8/site-packages/airflow/models/dagbag.py", line 178, in get_dag
   airflow-webserver_1  |     self._add_dag_from_db(dag_id=dag_id, session=session)
   airflow-webserver_1  |   File "/home/airflow/.local/lib/python3.8/site-packages/airflow/models/dagbag.py", line 234, in _add_dag_from_db
   airflow-webserver_1  |     raise SerializedDagNotFound(f"DAG '{dag_id}' not found in serialized_dag table")
   airflow-webserver_1  | airflow.exceptions.SerializedDagNotFound: DAG 'tutorial' not found in serialized_dag table
   ```


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