[jira] [Commented] (AIRFLOW-1665) Airflow webserver/scheduler don't handle database disconnects (mysql)

["Vasanth Kumar (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AIRFLOW-1665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16233659#comment-16233659 ] 

Vasanth Kumar commented on AIRFLOW-1665:
----------------------------------------

Submitted proposed fix: https://github.com/apache/incubator-airflow/pull/2744

> Airflow webserver/scheduler don't handle database disconnects (mysql)
> ---------------------------------------------------------------------
>
>                 Key: AIRFLOW-1665
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-1665
>             Project: Apache Airflow
>          Issue Type: Bug
>    Affects Versions: Airflow 1.8
>            Reporter: Vasanth Kumar
>            Priority: Major
>              Labels: database, reconnect
>
> Airflow webserver & scheduler don't handle database disconnects.  The process appear to error out and either exit or are left in an off state.  This was observed when using mysql.
> I don't see any database reconnect configuration or code.
> Stack tace for scheduler:
>   File "...../MySQLdb/connections.py", line 204, in __init__
>     super(Connection, self).__init__(*args, **kwargs2)
> sqlalchemy.exc.OperationalError: (_mysql_exceptions.OperationalError) (2002, "Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)")



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