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https://issues.apache.org/jira/browse/AIRFLOW-872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15889689#comment-15889689
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Bolke de Bruin commented on AIRFLOW-872:
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[~aoen] Please have a look at
https://github.com/apache/incubator-airflow/pull/1961 and AIRFLOW-719
> Tasks are not skipping correctly
> --------------------------------
>
> Key: AIRFLOW-872
> URL: https://issues.apache.org/jira/browse/AIRFLOW-872
> Project: Apache Airflow
> Issue Type: Bug
> Components: cli, DagRun, webserver
> Affects Versions: Airflow 1.8
> Environment: docker-compose using docker-compose-LocalExecutor.yml
> on this fork/branch
> https://github.com/fdm1/docker-airflow/tree/v1-8-not-skipping
> Reporter: Frank Massi
> Attachments: Screen Shot 2017-02-13 at 1.09.35 PM.png, Screen Shot
> 2017-02-13 at 1.11.09 PM.png, Screen Shot 2017-02-13 at 1.11.15 PM.png,
> Screen Shot 2017-02-13 at 1.13.13 PM.png
>
>
> When using the BranchPythonOperator or ShortCircuitOperator to make Dags
> idempotent, if running the Dag after a successful DagRun and clearing the
> initial task, the second task skips and then the Dag enters a failed state,
> as opposed to skipping all remaining tasks and marking the Dag successful.
> Steps to reproduce are outlined here:
> https://github.com/fdm1/docker-airflow/blob/v1-8-not-skipping/dags/test_clear_bug.py#L4-L9
> In 1.7.1.3, the tasks do skip correctly, so this appears to be a new bug.
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