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Apache Airflow Error:
AirflowClusterPolicyViolation

What does this error mean?

Raised when there is a violation of a Cluster Policy in DAG definition. This exception appears in Airflow task logs when the condition is triggered during DAG execution.

Common causes

  • 1A DAG or task definition violates a Cluster Policy rule set by the Airflow administrator.
  • 2Required tags, owner fields, or other policy-mandated attributes are missing from the DAG.

How to fix it

  1. 1Review the Cluster Policy rules configured by your Airflow administrator.
  2. 2Add the required tags, owner, or other mandatory attributes to the DAG definition.
  3. 3Check the policy file for the specific constraints being enforced.

Frequently asked questions

Where does AirflowClusterPolicyViolation appear in Airflow?

In the task instance log, accessible via the Airflow UI under the failed task's Log tab, or in your log aggregation system.

Does this exception trigger a DAG retry?

Yes, if the task has retries configured. Each retry attempt creates a new task instance log entry.

Source · airflow.apache.org/docs/apache-airflow/stable/_api/airflow/exceptions/index.html

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