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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