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https://issues.apache.org/jira/browse/AIRFLOW-804?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Imberman closed AIRFLOW-804.
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Resolution: Feedback Received
> Airflow installs latest Celery which does not support `sqla` transport
> ----------------------------------------------------------------------
>
> Key: AIRFLOW-804
> URL: https://issues.apache.org/jira/browse/AIRFLOW-804
> Project: Apache Airflow
> Issue Type: Bug
> Components: executors
> Reporter: Mohamed Zenadi
> Priority: Minor
>
> Kombu dropped support for `sqla` transport in its version 4.x. With the
> default configuration this will raise an exception:
> {code}
> $ airflow flower
> [2017-01-25 17:20:05,064] {__init__.py:57} INFO - Using executor
> SequentialExecutor
> [I 170125 17:20:07 command:136] Visit me at http://0.0.0.0:5555
> Unknown Celery version
> Traceback (most recent call last):
> File
> "/home/10025051/.linuxbrew/opt/python3/lib/python3.6/site-packages/kombu/transport/__init__.py",
> line 53, in resolve_transport
> transport = TRANSPORT_ALIASES[transport]
> KeyError: 'sqla'
> {code}
> A fix would be to change the default configuration for not using `sqla`. To
> avoid any confusing error for a new user.
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