Airflow Summit 2025 is coming October 07-09. Register now to secure your spot!

airflow.providers.standard.exceptions

Exceptions used by Standard Provider.

Exceptions

AirflowExternalTaskSensorException

Base exception for all ExternalTaskSensor related errors.

ExternalDagNotFoundError

Raised when the external DAG does not exist.

ExternalDagDeletedError

Raised when the external DAG was deleted.

ExternalTaskNotFoundError

Raised when the external task does not exist.

ExternalTaskGroupNotFoundError

Raised when the external task group does not exist.

ExternalTaskFailedError

Raised when the external task failed.

ExternalTaskGroupFailedError

Raised when the external task group failed.

ExternalDagFailedError

Raised when the external DAG failed.

DuplicateStateError

Raised when duplicate states are provided across allowed, skipped and failed states.

HITLTriggerEventError

Raised when TriggerEvent contains error.

HITLTimeoutError

Raised when HITLOperator timeouts.

HITLRejectException

Raised when an ApprovalOperator receives a "Reject" response when fail_on_reject is set to True.

Module Contents

exception airflow.providers.standard.exceptions.AirflowExternalTaskSensorException[source]

Bases: airflow.exceptions.AirflowException

Base exception for all ExternalTaskSensor related errors.

exception airflow.providers.standard.exceptions.ExternalDagNotFoundError[source]

Bases: AirflowExternalTaskSensorException

Raised when the external DAG does not exist.

exception airflow.providers.standard.exceptions.ExternalDagDeletedError[source]

Bases: AirflowExternalTaskSensorException

Raised when the external DAG was deleted.

exception airflow.providers.standard.exceptions.ExternalTaskNotFoundError[source]

Bases: AirflowExternalTaskSensorException

Raised when the external task does not exist.

exception airflow.providers.standard.exceptions.ExternalTaskGroupNotFoundError[source]

Bases: AirflowExternalTaskSensorException

Raised when the external task group does not exist.

exception airflow.providers.standard.exceptions.ExternalTaskFailedError[source]

Bases: AirflowExternalTaskSensorException

Raised when the external task failed.

exception airflow.providers.standard.exceptions.ExternalTaskGroupFailedError[source]

Bases: AirflowExternalTaskSensorException

Raised when the external task group failed.

exception airflow.providers.standard.exceptions.ExternalDagFailedError[source]

Bases: AirflowExternalTaskSensorException

Raised when the external DAG failed.

exception airflow.providers.standard.exceptions.DuplicateStateError[source]

Bases: AirflowExternalTaskSensorException

Raised when duplicate states are provided across allowed, skipped and failed states.

exception airflow.providers.standard.exceptions.HITLTriggerEventError[source]

Bases: Exception

Raised when TriggerEvent contains error.

exception airflow.providers.standard.exceptions.HITLTimeoutError[source]

Bases: HITLTriggerEventError

Raised when HITLOperator timeouts.

exception airflow.providers.standard.exceptions.HITLRejectException[source]

Bases: airflow.exceptions.AirflowException

Raised when an ApprovalOperator receives a “Reject” response when fail_on_reject is set to True.

Was this entry helpful?