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  1. Apache Airflow
  2. AIRFLOW-3277

Invalid timezone transition handling for cron schedules

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Blocker
    • Resolution: Fixed
    • Affects Version/s: 1.10.0
    • Fix Version/s: 1.10.1
    • Component/s: None
    • Labels:
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      Description

      `following_schedule` converts to naive time by using the local time zone. In case of a DST transition, say 3AM -> 2AM ("summer time to winter time") we generate date times that could overlap with earlier schedules. Therefore a DAG that should run every 5 minutes will not do so if it has already seen the schedule.

      We should not convert to naive and keep UTC.

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          is related to

          Bug - A problem which impairs or prevents the functions of the product. AIRFLOW-3422 Infinite loops during springtime DST transitions on python 3.6

          • Major - Major loss of function.
          • Resolved
          links to

          Web Link GitHub Pull Request #4117

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              • Assignee:
                Unassigned
                Reporter:
                bolke Bolke de Bruin
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                • Created:
                  Updated:
                  Resolved: