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https://issues.apache.org/jira/browse/AIRFLOW-1473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16131390#comment-16131390
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ASF subversion and git services commented on AIRFLOW-1473:
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Commit ea86895d5b81d6fed4f26c201f8874bacdd291e5 in incubator-airflow's branch
refs/heads/master from [~gwax]
[ https://git-wip-us.apache.org/repos/asf?p=incubator-airflow.git;h=ea86895 ]
[AIRFLOW-1420][AIRFLOW-1473] Fix deadlock check
Update the deadlock check to prevent false
positives on upstream
failure or skip conditions.
Closes #2506 from gwax/fix_dead_dagruns
> DAG state set failed, no failed task
> ------------------------------------
>
> Key: AIRFLOW-1473
> URL: https://issues.apache.org/jira/browse/AIRFLOW-1473
> Project: Apache Airflow
> Issue Type: Bug
> Components: scheduler
> Affects Versions: 1.9.0
> Environment: Deployed on Kubernetes. Using Local executor.
> Reporter: Daniel Surename
> Priority: Critical
> Attachments: 1.png, 2.png, 3.png, 4.png
>
>
> *Next Scheduled task which never gets queued or run:*
> Task Instance Details:
> Task's trigger rule 'all_success' requires all upstream tasks to have
> succeeded, but *found 1 non-success*(es). upstream_tasks_state={'successes':
> 54L, 'failed': 0L, 'upstream_failed': 0L, 'skipped': 0L, 'done': 54L}
> Dagrun Running:
> Task instance's dagrun was not in the 'running' state but in the state
> 'failed'.
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