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https://issues.apache.org/jira/browse/AIRFLOW-1786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Artem Kirillov reassigned AIRFLOW-1786:
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Assignee: Artem Kirillov
> Upstream Sensor skipped but whole DAG fails
> -------------------------------------------
>
> Key: AIRFLOW-1786
> URL: https://issues.apache.org/jira/browse/AIRFLOW-1786
> Project: Apache Airflow
> Issue Type: Bug
> Components: DAG
> Affects Versions: Airflow 1.8
> Reporter: Felix Yuan
> Assignee: Artem Kirillov
> Priority: Minor
>
> I have created a daily DAG, which first monitor whether a file is ready on
> FTP server, then execute an ETL operation. If someday the file is missing,
> this is expected, so I set the "soft_fail" as True to simply skipped the FTP
> sensor.
> During execution, I see the task of "FTP sensor" is surely be skipped, but
> the whole DAG is marked as failed.
> My expectation is the upstream task (FTP Sensor) is skipped, then all
> downstream tasks are skipped as well.
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