Apache Airflow Error:
AirflowUnsupportedFileTypeException

Medium severityconfiguration

Apache Airflow Error:
AirflowUnsupportedFileTypeException

What does this error mean?

Raised when a file type is not supported. This exception appears in Airflow task logs when the condition is triggered during DAG execution.

Common causes

1The file type provided to an import operation is not supported by Airflow.
2A connection or variable file was supplied in a format other than JSON or YAML.

How to fix it

1Convert the file to JSON or YAML format before importing into Airflow.
2Check the Airflow documentation for supported import file formats.

Frequently asked questions

Where does AirflowUnsupportedFileTypeException 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