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Posted to commits@airflow.apache.org by "Joe Schmid (JIRA)" <ji...@apache.org> on 2017/04/25 00:15:04 UTC

[jira] [Created] (AIRFLOW-1142) SubDAG Tasks Not Executed Even Though All Dependencies Met

Joe Schmid created AIRFLOW-1142:
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             Summary: SubDAG Tasks Not Executed Even Though All Dependencies Met
                 Key: AIRFLOW-1142
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-1142
             Project: Apache Airflow
          Issue Type: Bug
          Components: subdag
    Affects Versions: 1.8.1
         Environment: 1.8.1rc1+incubating, Celery
            Reporter: Joe Schmid
            Priority: Blocker
         Attachments: 2017-04-24T23-20-38-776547, Test_Nested_SubDAG_0.png, Test_Nested_SubDAG_1-Zoomed.png, test_nested_subdag.py

Testing on 1.8.1rc1, we noticed that tasks in subdags were not getting executed even though all dependencies had been met.

We were able to create a simple test DAG that re-creates the issue. Attached is a test DAG, the log file of the subdag operator that shows it fails to run even though dependencies are met, and screenshots of what the UI looks like.

This is definitely a regression as we have many similarly constructed DAGs that have been running successfully on a pre-v1.8 version (a fork of 1.7.1.3+master) for some time.



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