[jira] [Commented] (AIRFLOW-2733) Airflow webserver crashes with refresh interval <= 0 in daemon mode

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AIRFLOW-2733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16730260#comment-16730260 ] 

ASF GitHub Bot commented on AIRFLOW-2733:
-----------------------------------------

stale[bot] commented on pull request #3586: [AIRFLOW-2733] Reconcile psutil and subprocess in webserver cli
URL: https://github.com/apache/incubator-airflow/pull/3586
 
 
   
 
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> Airflow webserver crashes with refresh interval <= 0 in daemon mode
> -------------------------------------------------------------------
>
>                 Key: AIRFLOW-2733
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-2733
>             Project: Apache Airflow
>          Issue Type: Bug
>            Reporter: George Leslie-Waksman
>            Priority: Major
>
> In airflow/bin/cli.py calls to mointor_gunicorn sub-function ([https://github.com/apache/incubator-airflow/blob/master/airflow/bin/cli.py#L841)] are made using a mix of psutil.Process objects and subprocess.Popen objects.
>  
> Case 1: [https://github.com/apache/incubator-airflow/blob/master/airflow/bin/cli.py#L878]
> Case 2: [https://github.com/apache/incubator-airflow/blob/master/airflow/bin/cli.py#L884]
>  
> In the event worker_refresh_interval is <=0 and we are in daemon mode, we end up calling a non-existent `poll` function on a psutil.Process object: https://github.com/apache/incubator-airflow/blob/master/airflow/bin/cli.py#L847



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