Taragolis opened a new issue #18188:
URL: https://github.com/apache/airflow/issues/18188
### Apache Airflow version
2.2.0b1 (beta snapshot)
### Operating System
Linux (5.13.13-zen1-1-zen #1 ZEN SMP PREEMPT Thu, 26 Aug 2021 19:14:35 +0000
x86_64 GNU/Linux)
### Versions of Apache Airflow Providers
<details><summary> pip freeze | grep apache-airflow-providers</summary>
apache-airflow-providers-amazon==2.1.0<br>
apache-airflow-providers-celery==2.0.0<br>
apache-airflow-providers-cncf-kubernetes==2.0.1<br>
apache-airflow-providers-docker==2.1.0<br>
apache-airflow-providers-elasticsearch==2.0.2<br>
apache-airflow-providers-ftp==2.0.0<br>
apache-airflow-providers-google==5.0.0<br>
apache-airflow-providers-grpc==2.0.0<br>
apache-airflow-providers-hashicorp==2.0.0<br>
apache-airflow-providers-http==2.0.0<br>
apache-airflow-providers-imap==2.0.0<br>
apache-airflow-providers-microsoft-azure==3.1.0<br>
apache-airflow-providers-mysql==2.1.0<br>
apache-airflow-providers-postgres==2.0.0<br>
apache-airflow-providers-redis==2.0.0<br>
apache-airflow-providers-sendgrid==2.0.0<br>
apache-airflow-providers-sftp==2.1.0<br>
apache-airflow-providers-slack==4.0.0<br>
apache-airflow-providers-sqlite==2.0.0<br>
apache-airflow-providers-ssh==2.1.0<br>
</details>
### Deployment
Docker-Compose
### Deployment details
Docker Image: apache/airflow:2.2.0b1-python3.8
```shell
$ docker version
Client:
Version: 20.10.8
API version: 1.41
Go version: go1.16.6
Git commit: 3967b7d28e
Built: Wed Aug 4 10:59:01 2021
OS/Arch: linux/amd64
Context: default
Experimental: true
Server:
Engine:
Version: 20.10.8
API version: 1.41 (minimum version 1.12)
Go version: go1.16.6
Git commit: 75249d88bc
Built: Wed Aug 4 10:58:48 2021
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: v1.5.5
GitCommit: 72cec4be58a9eb6b2910f5d10f1c01ca47d231c0.m
runc:
Version: 1.0.2
GitCommit: v1.0.2-0-g52b36a2d
docker-init:
Version: 0.19.0
GitCommit: de40ad0
```
```shell
$ docker-compose version
docker-compose version 1.29.2, build unknown
docker-py version: 5.0.2
CPython version: 3.9.6
OpenSSL version: OpenSSL 1.1.1l 24 Aug 2021
```
### What happened
I've tested current project for compatibility to migrate to 2.2.x in the
future.
As soon as i tried to access from UI to Task Instance Details or Rendered
Template for DAG _which never started before_ I've got this error
```
Python version: 3.8.11
Airflow version: 2.2.0b1
Node: e70bca1d41d3
-------------------------------------------------------------------------------
Traceback (most recent call last):
File "/home/airflow/.local/lib/python3.8/site-packages/flask/app.py", line
2447, in wsgi_app
response = self.full_dispatch_request()
File "/home/airflow/.local/lib/python3.8/site-packages/flask/app.py", line
1952, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/home/airflow/.local/lib/python3.8/site-packages/flask/app.py", line
1821, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/home/airflow/.local/lib/python3.8/site-packages/flask/_compat.py",
line 39, in reraise
raise value
File "/home/airflow/.local/lib/python3.8/site-packages/flask/app.py", line
1950, in full_dispatch_request
rv = self.dispatch_request()
File "/home/airflow/.local/lib/python3.8/site-packages/flask/app.py", line
1936, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/www/auth.py", line
51, in decorated
return func(*args, **kwargs)
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/www/decorators.py",
line 72, in wrapper
return f(*args, **kwargs)
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/utils/session.py",
line 70, in wrapper
return func(*args, session=session, **kwargs)
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/www/views.py", line
1368, in task
session.query(TaskInstance)
File
"/home/airflow/.local/lib/python3.8/site-packages/sqlalchemy/orm/query.py",
line 3500, in one
raise orm_exc.NoResultFound("No row was found for one()")
sqlalchemy.orm.exc.NoResultFound: No row was found for one()
```
### What you expected to happen
On previous version (Apache Airflow 2.1.2) it show information even if DAG
never started.
If it's new behavior of Airflow for Task Instances in UI it would be nice
get information specific to this error rather than generic error
### How to reproduce
1. Use Apache Airflow: 2.2.0b1
2. Create new DAG
3. In web server try to access to Task Instance Details (`/task` entrypoint)
or Rendered Template (`rendered-templates` entrypoint)
### Anything else
As soon as DAG started at least once this kind of errors gone when access
Task Instance Details or Rendered Template for this DAG Tasks
Seems like this kind of errors happen after #17719
### Are you willing to submit PR?
- [ ] 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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