microhuang opened a new issue #20534:
URL: https://github.com/apache/airflow/issues/20534
### Apache Airflow version
2.2.3 (latest released)
### What happened
An error occurred while browsing the page
(/rendered-k8s?dag_id=xxx&task_id=yyy&execution_date=zzz):
```
Parent instance <TaskInstance at 0x7fb0b01df940> is not bound to a Session;
lazy load operation of attribute 'dag_model' cannot proceed (Background on this
error at: http://sqlalche.me/e/13/bhk3) Traceback (most recent call last):
args=self.command_as_list(),
File
"/home/airflow/.local/lib/python3.9/site-packages/airflow/models/taskinstance.py",
line 527, in command_as_list
dag = self.dag_model
File
"/home/airflow/.local/lib/python3.9/site-packages/sqlalchemy/orm/attributes.py",
line 294, in __get__
return self.impl.get(instance_state(instance), dict_)
File
"/home/airflow/.local/lib/python3.9/site-packages/sqlalchemy/orm/attributes.py",
line 730, in get
value = self.callable_(state, passive)
File
"/home/airflow/.local/lib/python3.9/site-packages/sqlalchemy/orm/strategies.py",
line 717, in _load_for_state
raise orm_exc.DetachedInstanceError(
sqlalchemy.orm.exc.DetachedInstanceError: Parent instance <TaskInstance at
0x7fb0b01df940> is not bound to a Session; lazy load operation of attribute
'dag_model' cannot proceed (Background on this error at:
http://sqlalche.me/e/13/bhk3)
```
### What you expected to happen
_No response_
### How to reproduce
_No response_
### Operating System
NAME="CentOS Stream" VERSION="8"
### Versions of Apache Airflow Providers
```
apache-airflow-providers-cncf-kubernetes==2.2.0
apache-airflow-providers-elasticsearch==2.0.3
apache-airflow-providers-ftp==2.0.1
apache-airflow-providers-http==2.0.1
apache-airflow-providers-imap==2.0.1
apache-airflow-providers-mysql==2.1.1
apache-airflow-providers-postgres==2.3.0
apache-airflow-providers-sftp==2.1.1
apache-airflow-providers-sqlite==2.0.1
apache-airflow-providers-ssh==2.2.0
```
### Deployment
Other 3rd-party Helm chart
### Deployment details
_No response_
### Anything else
_No response_
### Are you willing to submit PR?
- [X] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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