dosubot[bot] commented on issue #29619:
URL: https://github.com/apache/superset/issues/29619#issuecomment-2233177910
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To resolve the issue of the session being unavailable due to no secret key
being set, despite having `SECRET_KEY` defined in `superset_config.py` and
encountering the error after setting `SESSION_SERVER_SIDE = True`, follow these
steps:
1. **Ensure `SECRET_KEY` is properly set**:
Make sure your `SECRET_KEY` is not the default value and is set to a
strong, unique string. You can generate a secure key using `openssl`:
```bash
openssl rand -base64 42
```
Update your `superset_config.py` with the generated key:
```python
# superset_config.py
SECRET_KEY = 'YOUR_GENERATED_SECRET_KEY'
```
2. **Verify `SESSION_SERVER_SIDE` configuration**:
Ensure that `SESSION_SERVER_SIDE` is set to `True` in your
`superset_config.py`:
```python
# superset_config.py
SESSION_SERVER_SIDE = True
```
3. **Set up server-side session storage**:
If you are using server-side sessions, you need to configure a session
backend. For example, using Redis:
```python
# superset_config.py
from redis import Redis
SESSION_TYPE = "redis"
SESSION_REDIS = Redis(host="localhost", port=6379, db=0)
# Sign the session cookie sid
SESSION_USE_SIGNER = True
```
4. **Environment variable for `SECRET_KEY`**:
Alternatively, you can set the `SECRET_KEY` using an environment variable
to avoid hardcoding it in your configuration file:
```python
# superset_config.py
import os
SECRET_KEY = os.getenv('SUPERSET_SECRET_KEY',
'YOUR_OWN_RANDOM_GENERATED_SECRET_KEY')
```
Export the `SUPERSET_SECRET_KEY` environment variable before starting
Superset:
```bash
export SUPERSET_SECRET_KEY=$(openssl rand -base64 42)
```
By ensuring that the `SECRET_KEY` is securely set and not using the default
value, and properly configuring the session backend, the session should be
available, and the application should start without issues
<sup>[[1]](https://github.com/apache/superset/blob/master/superset/initialization/__init__.py)</sup><sup>[[2]](https://github.com/apache/superset/blob/master/docs/docs/configuration/configuring-superset.mdx)</sup><sup>[[3]](https://github.com/apache/superset/blob/master/docs/docs/security/security.mdx)</sup><sup>[[4]](https://github.com/apache/superset/blob/master/superset/config.py)</sup>.
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