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https://issues.apache.org/jira/browse/AIRFLOW-2631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16522802#comment-16522802
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Ash Berlin-Taylor commented on AIRFLOW-2631:
--------------------------------------------
The stack trace and error you have given this time is totally different to the
original one in the message.
And this stack trace tells me that this airflow is running with default config.
Double check your config is actually being set properly, that you are running
as the right user etc.
> Worker fails to connect with MySQL DB
> -------------------------------------
>
> Key: AIRFLOW-2631
> URL: https://issues.apache.org/jira/browse/AIRFLOW-2631
> Project: Apache Airflow
> Issue Type: Bug
> Affects Versions: Airflow 2.0, 1.10
> Reporter: kunal gupta
> Priority: Critical
>
> I have containerized Airflow webserver, scheduler, flower and worker. I'm
> using MySQL for the backend and Redis for queuing. Everytime I spin up the
> worker node it throws the error below and all the Dags are stuck in running
> status.
> Logs from the Worker Node:
> File "/usr/lib64/python2.7/site-packages/MySQLdb/connections.py", line 193,
> in __init__
> super(Connection, self).__init__(*args, **kwargs2)
> OperationalError: (_mysql_exceptions.OperationalError) (2002, "Can't connect
> to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)")
> [2018-06-15 10:21:56,005: ERROR/MainProcess] Pool callback raised exception:
> OperationalError('(_mysql_exceptions.OperationalError) (2002, "Can\'t connect
> to local MySQL server through socket \'/var/lib/mysql/mysql.sock\' (2)")',)
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