dagRuns for removed DAG returns "500 Internal Server Error" instead of "404 Not Found"

via GitHub Wed, 01 Mar 2023 05:52:09 -0800


lukasz-worek opened a new issue, #29839:
URL: https://github.com/apache/airflow/issues/29839


   ### Apache Airflow version
   
   Other Airflow 2 version (please specify below)
   
   ### What happened
   
   Apache Airflow version:  2.4.0
   
   I remove DAG from storage then trigger it:
   
   curl -X POST 'http://localhost:8080/api/dags/<DAG_ID>/dag_runs' --header 
'Content-Type: application/json' --data '{"dag_run_id":"my_id"}'
   
   it returns:
   ```
   
   Traceback (most recent call last):
     File 
&#34;/home/airflow/.local/lib/python3.8/site-packages/flask/app.py&#34;, line 
2525, in wsgi_app
       response = self.full_dispatch_request()
     File 
&#34;/home/airflow/.local/lib/python3.8/site-packages/flask/app.py&#34;, line 
1822, in full_dispatch_request
       rv = self.handle_user_exception(e)
     File 
&#34;/home/airflow/.local/lib/python3.8/site-packages/flask/app.py&#34;, line 
1820, in full_dispatch_request
       rv = self.dispatch_request()
     File 
&#34;/home/airflow/.local/lib/python3.8/site-packages/flask/app.py&#34;, line 
1796, in dispatch_request
       return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
     File 
&#34;/home/airflow/.local/lib/python3.8/site-packages/connexion/decorators/decorator.py&#34;,
 line 68, in wrapper
       response = function(request)
     File 
&#34;/home/airflow/.local/lib/python3.8/site-packages/connexion/decorators/uri_parsing.py&#34;,
 line 149, in wrapper
       response = function(request)
     File 
&#34;/home/airflow/.local/lib/python3.8/site-packages/connexion/decorators/validation.py&#34;,
 line 196, in wrapper
       response = function(request)
     File 
&#34;/home/airflow/.local/lib/python3.8/site-packages/connexion/decorators/validation.py&#34;,
 line 399, in wrapper
       return function(request)
     File 
&#34;/home/airflow/.local/lib/python3.8/site-packages/connexion/decorators/response.py&#34;,
 line 112, in wrapper
       response = function(request)
     File 
&#34;/home/airflow/.local/lib/python3.8/site-packages/connexion/decorators/parameter.py&#34;,
 line 120, in wrapper
       return function(**kwargs)
     File 
&#34;/home/airflow/.local/lib/python3.8/site-packages/airflow/api_connexion/security.py&#34;,
 line 51, in decorated
       return func(*args, **kwargs)
     File 
&#34;/home/airflow/.local/lib/python3.8/site-packages/airflow/utils/session.py&#34;,
 line 75, in wrapper
       return func(*args, session=session, **kwargs)
     File 
&#34;/home/airflow/.local/lib/python3.8/site-packages/airflow/api_connexion/endpoints/dag_run_endpoint.py&#34;,
 line 310, in post_dag_run
       dag_run = dag.create_dagrun(
   AttributeError: &#39;NoneType&#39; object has no attribute 
&#39;create_dagrun&#39;
   ```
   
   
   ### What you think should happen instead
   
   should response with 404 "A specified resource is not found."
   
   ### How to reproduce
   
   - remove existing DAG file from storage
   - create a new DAG run using API endpoint /api/dags/<DAG_ID>/dag_runs for 
that deleted DAG
   
   ### Operating System
   
   18.04.1 Ubuntu
   
   ### Versions of Apache Airflow Providers
   
   _No response_
   
   ### Deployment
   
   Official Apache Airflow Helm Chart
   
   ### 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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[GitHub] [airflow] lukasz-worek opened a new issue, #29839: Calling endpoint dags/{dag_id}/dagRuns for removed DAG returns "500 Internal Server Error" instead of "404 Not Found"

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