charles2588 opened a new issue #15413:
URL: https://github.com/apache/airflow/issues/15413
**Apache Airflow version**: 2.0
**Kubernetes version (if you are using kubernetes)** (use `kubectl
version`): N/A
**Environment**:
- **Cloud provider or hardware configuration**:
- **OS** (e.g. from /etc/os-release):
```
NAME="Ubuntu"
VERSION="20.04.1 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.1 LTS"
VERSION_ID="20.04
```
- **Kernel** (e.g. `uname -a`): `Linux airflowvm 5.4.0-70-generic
#78-Ubuntu SMP Fri Mar 19 13:29:52 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux`
- **Install tools**:
- **Others**:
**What happened**:
The instance details page throws error:-
http://localhost:8080/task?dag_id=xcom_dag&task_id=downloading_data&execution_date=2021-04-16T23%3A01%3A08.044070%2B00%3A00
`Something bad has happened.
Please consider letting us know by creating a bug report using GitHub.
Python version: 3.8.5
Airflow version: 2.0.0
Node: airflowvm
-------------------------------------------------------------------------------
Traceback (most recent call last):
File "/home/airflow/sandbox/lib/python3.8/site-packages/flask/app.py",
line 2447, in wsgi_app
response = self.full_dispatch_request()
File "/home/airflow/sandbox/lib/python3.8/site-packages/flask/app.py",
line 1952, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/home/airflow/sandbox/lib/python3.8/site-packages/flask/app.py",
line 1821, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/home/airflow/sandbox/lib/python3.8/site-packages/flask/_compat.py",
line 39, in reraise
raise value
File "/home/airflow/sandbox/lib/python3.8/site-packages/flask/app.py",
line 1950, in full_dispatch_request
rv = self.dispatch_request()
File "/home/airflow/sandbox/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/sandbox/lib/python3.8/site-packages/airflow/www/auth.py", line
34, in decorated
return func(*args, **kwargs)
File
"/home/airflow/sandbox/lib/python3.8/site-packages/airflow/www/decorators.py",
line 60, in wrapper
return f(*args, **kwargs)
File
"/home/airflow/sandbox/lib/python3.8/site-packages/airflow/www/views.py", line
1193, in task
attr = getattr(ti, attr_name)
File
"/home/airflow/sandbox/lib/python3.8/site-packages/airflow/models/taskinstance.py",
line 792, in previous_start_date_success
return self.get_previous_start_date(state=State.SUCCESS)
File
"/home/airflow/sandbox/lib/python3.8/site-packages/airflow/utils/session.py",
line 65, in wrapper
return func(*args, session=session, **kwargs)
File
"/home/airflow/sandbox/lib/python3.8/site-packages/airflow/models/taskinstance.py",
line 776, in get_previous_start_date
return prev_ti and pendulum.instance(prev_ti.start_date)
File
"/home/airflow/sandbox/lib/python3.8/site-packages/pendulum/__init__.py", line
174, in instance
raise ValueError("instance() only accepts datetime objects.")
ValueError: instance() only accepts datetime objects.`
**What you expected to happen**:
<!-- What do you think went wrong? -->
**How to reproduce it**:
1. Go to Airflow UI and open any dag you may have
2. Click on any task node in Graph view
3. Click on Instance Details button
Note the Host operating system is windows 10 and Chrome 85
**Anything else we need to know**:
The issue is consistently reproducible.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
