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https://issues.apache.org/jira/browse/AIRFLOW-1102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16247132#comment-16247132
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ASF subversion and git services commented on AIRFLOW-1102:
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Commit 40c9c6584058c1fdf78305853a24dc7cf6baaa9c in incubator-airflow's branch
refs/heads/v1-9-stable from [~bcharous]
[ https://git-wip-us.apache.org/repos/asf?p=incubator-airflow.git;h=40c9c65 ]
[AIRFLOW-1102] Upgrade Gunicorn >=19.4.0
Closes #2775 from briancharous/upgrade-gunicorn
(cherry picked from commit cbb00d4055839d8b0bb3473a9ab3942480a373f5)
Signed-off-by: Bolke de Bruin <bo...@xs4all.nl>
> 'airflow webserver' doesn't work with gunicorn 19.4+
> ----------------------------------------------------
>
> Key: AIRFLOW-1102
> URL: https://issues.apache.org/jira/browse/AIRFLOW-1102
> Project: Apache Airflow
> Issue Type: Bug
> Components: dependencies
> Reporter: Yuu Yamashita
> Fix For: 1.9.0
>
>
> {{airflow webserver}} will show an error of "Error:
> 'airflow.www.gunicorn_config' doesn't exist" if it invoked with gunicorn
> 19.4+, just like the following example.
> {noformat}
> % airflow webserver
> [2017-04-11 05:34:28,945] {__init__.py:57} INFO - Using executor LocalExecutor
> ____________ _____________
> ____ |__( )_________ __/__ /________ __
> ____ /| |_ /__ ___/_ /_ __ /_ __ \_ | /| / /
> ___ ___ | / _ / _ __/ _ / / /_/ /_ |/ |/ /
> _/_/ |_/_/ /_/ /_/ /_/ \____/____/|__/
> [2017-04-11 05:34:29,968] [32339] {models.py:167} INFO - Filling up the
> DagBag from ./dags
> [2017-04-11 05:34:30,427] [32339] {connectionpool.py:735} INFO - Starting new
> HTTPS connection (1): sts.amazonaws.com
> Running the Gunicorn Server with:
> Workers: 4 sync
> Host: 0.0.0.0:8081
> Timeout: 120
> Logfiles: - -
> =================================================================
> Error: 'airflow.www.gunicorn_config' doesn't exist
> {noformat}
> At present, it seems that airflow is configured to require gunicorn prior to
> 19.4. It should be fixed intrinsically for future upgrade of gunicorn anyways.
> https://github.com/benoitc/gunicorn/blob/19.4/gunicorn/app/base.py#L111-L119
> Starting from {{gunicorn}} 9.4, it seems it started requiring prefix
> "python:" for module name passed to {{-c}}. Because {{airflow webserver}} [is
> specifying
> airflow.www.gunicorn_config|https://github.com/apache/incubator-airflow/blob/6b1c327ee886488eedbe8a8721708b89f37d5560/airflow/bin/cli.py#L779]
> as {{-c}} for {{gunicorn}}, it won't work with gunicorn 9.4+
> * gunicorn 9.3:
> https://github.com/benoitc/gunicorn/blob/19.3/gunicorn/app/base.py#L111-L114
> * gunicorn 9.4:
> https://github.com/benoitc/gunicorn/blob/19.4/gunicorn/app/base.py#L111-L119
> I've opened [a PR to gunicorn|https://github.com/benoitc/gunicorn/pull/1499]
> to restore original behavior prior to 19.3. However, it'd be also better to
> be fixed in {{airflow webserver}} itself.
> h5. See also
> * https://github.com/benoitc/gunicorn/pull/1068
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