funes79 commented on issue #31180:
URL: https://github.com/apache/airflow/issues/31180#issuecomment-1549069551

   Yes, correct, it is not visible in the logs.
   Another observation: it looks like the listener code is in the main loop of 
scheduler, because when I try to access some external API in listener and it 
hangs, then the execution of dags are halted.
   As an example: I started a DAG, the hook on dag running got fired, but as a 
listener was waiting and timeouting on API call for couple of seconds, the 
scheduler was not starting the DAG and webserver reported "queued" state of the 
DAG and the warning message about scheduler not running. If this is the 
intended way how it should work, then yes, I think we need to update the 
documentation to warn about it.
   
   


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