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https://issues.apache.org/jira/browse/AIRFLOW-977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bolke de Bruin closed AIRFLOW-977.
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Resolution: Fixed
Assignee: Bolke de Bruin
Fix Version/s: Airflow 1.8
1.8.0
> Deadlocked DAG run with MySQL v5.7.17
> -------------------------------------
>
> Key: AIRFLOW-977
> URL: https://issues.apache.org/jira/browse/AIRFLOW-977
> Project: Apache Airflow
> Issue Type: Bug
> Components: DagRun
> Affects Versions: Airflow 1.7.1
> Environment: macOS Sierra 10.12.3, MySQL 5.7.17, Airflow 1.7.1.3
> Reporter: Michael Kotliar
> Assignee: Bolke de Bruin
> Labels: easyfix
> Fix For: 1.8.0, Airflow 1.8
>
>
> When using MySQL 5.7.17 all DATETIME values are saved in DB using rounding,
> not truncating, like it was before in MySQL 5.5. This causes failing in
> is_queueable check for task, when its execution date was previously saved in
> DB rounded towards bigger value. It makes execution date to be bigger than
> datetime.now(). If all of the tasks from DAG have failed this check, the DAG
> becomes deadlocked.
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