ImportError in TriggerDagRunOperator makes every Dag useless when paused by default

[krisgeus]

Apache Airflow version

3.0.0

If "Other Airflow 2 version" selected, which one?

No response

What happened?

Traceback (most recent call last):
File "/home/airflow/.local/lib/python3.12/site-packages/airflow/serialization/serialized_objects.py", line 1066, in detect_task_dependencies
from airflow.providers.standard.operators.trigger_dagrun import TriggerDagRunOperator
File "/home/airflow/.local/lib/python3.12/site-packages/airflow/providers/standard/operators/trigger_dagrun.py", line 63, in
from airflow.exceptions import DagIsPaused
ImportError: cannot import name 'DagIsPaused' from 'airflow.exceptions' (/home/airflow/.local/lib/python3.12/site-packages/airflow/exceptions.py)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/home/airflow/.local/lib/python3.12/site-packages/airflow/serialization/serialized_objects.py", line 1787, in to_dict
json_dict = {"__version": cls.SERIALIZER_VERSION, "dag": cls.serialize_dag(var)}
^^^^^^^^^^^^^^^^^^^^^^
File "/home/airflow/.local/lib/python3.12/site-packages/airflow/serialization/serialized_objects.py", line 1696, in serialize_dag
raise SerializationError(f"Failed to serialize DAG {dag.dag_id!r}: {e}")
airflow.exceptions.SerializationError: Failed to serialize DAG 'whirl-local-api-to-s3-example': cannot import name 'DagIsPaused' from 'airflow.exceptions' (/home/airflow/.local/lib/python3.12/site-packages/airflow/exceptions.py)

What you think should happen instead?

DagIsPaused Exception should be evailable

How to reproduce

Startup 3.0.0rc4 with any dag

Operating System

OSX (Docker)

Versions of Apache Airflow Providers

pip freeze | grep apache-airflow-providers
apache-airflow-providers-amazon==9.6.0
apache-airflow-providers-celery==3.10.6
apache-airflow-providers-cncf-kubernetes==10.4.2
apache-airflow-providers-common-compat==1.6.0
apache-airflow-providers-common-io==1.5.3
apache-airflow-providers-common-messaging==1.0.0rc3
apache-airflow-providers-common-sql==1.25.0
apache-airflow-providers-docker==4.3.1
apache-airflow-providers-elasticsearch==6.2.1
apache-airflow-providers-fab @ file:///docker-context-files/apache_airflow_providers_fab-2.0.1rc0-py3-none-any.whl#sha256=aa23f05bffb1497cd7778569e9130466a06884335834654024499504a6024ae5
apache-airflow-providers-ftp==3.12.3
apache-airflow-providers-git @ file:///docker-context-files/apache_airflow_providers_git-0.0.2rc0-py3-none-any.whl#sha256=700eb56025686e47dba7be910b1e752fdcdd419dfd54e0e77a98bded39a3a2f6
apache-airflow-providers-google==15.0.1
apache-airflow-providers-grpc==3.7.3
apache-airflow-providers-hashicorp==4.1.0
apache-airflow-providers-http==5.2.1
apache-airflow-providers-microsoft-azure==12.3.0
apache-airflow-providers-mysql==6.2.1
apache-airflow-providers-odbc==4.9.1
apache-airflow-providers-openlineage @ file:///docker-context-files/apache_airflow_providers_openlineage-2.2.0rc0-py3-none-any.whl#sha256=9d15493974ae0a7a4c3828970dbf549a003311bf454c57998e72bf0a9f1261a7
apache-airflow-providers-postgres==6.1.2
apache-airflow-providers-redis==4.0.2
apache-airflow-providers-sendgrid==4.0.1
apache-airflow-providers-sftp==5.2.0
apache-airflow-providers-slack==9.0.4
apache-airflow-providers-smtp==2.0.2
apache-airflow-providers-snowflake==6.2.1
apache-airflow-providers-ssh==4.0.1
apache-airflow-providers-standard @ file:///docker-context-files/apache_airflow_providers_standard-1.0.0rc0-py3-none-any.whl#sha256=2f477f01152930eba95305f199df355cb279c23d190b3160a42e28a68fd72bdb

Deployment

Other Docker-based deployment

Deployment details

No response

Anything else?

No response

Are you willing to submit PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct

[boring-cyborg]

Thanks for opening your first issue here! Be sure to follow the issue template! If you are willing to raise PR to address this issue please do so, no need to wait for approval.

[tirkarthi]

There is a discussion to move it to provider package in #49500 .

cc: @kaxil @amoghrajesh @eladkal

https://apache-airflow.slack.com/archives/C07813CNKA8/p1745093833481059?thread_ts=1745061399.226959&cid=C07813CNKA8

[kaxil]

Correct it has been moved -> #49500

This was an error in the Docker image but does not affect Airflow 3.0.0 or Standard provider 1.0

[kaxil]

Uninstall apache-airflow-providers-standard and force install apache-airflow-providers-standard==1.0