[GitHub] [superset] iercan commented on issue #12726: Webdriver stopped working after 1.0.0 upgrade.

[GitBox <gi...@apache.org>]

iercan commented on issue #12726:
URL: https://github.com/apache/superset/issues/12726#issuecomment-766883157


   And this is detailed traceback
   ```
   worker_1    | [2021-01-25 15:08:34,931: ERROR/ForkPoolWorker-1] Task cache_dashboard_thumbnail[996193c1-57ae-48af-a77a-af0672650a68] raised unexpected: DetachedInstanceError('Instance <User at 0x7fed472c7690> is not bound to a Session; attribute refresh operation cannot proceed')
   worker_1    | Traceback (most recent call last):
   worker_1    |   File "/usr/local/lib/python3.7/site-packages/celery/app/trace.py", line 412, in trace_task
   worker_1    |     R = retval = fun(*args, **kwargs)
   worker_1    |   File "/app/superset/app.py", line 116, in __call__
   worker_1    |     return task_base.__call__(self, *args, **kwargs)
   worker_1    |   File "/usr/local/lib/python3.7/site-packages/celery/app/trace.py", line 704, in __protected_call__
   worker_1    |     return self.run(*args, **kwargs)
   worker_1    |   File "/app/superset/tasks/thumbnails.py", line 77, in cache_dashboard_thumbnail
   worker_1    |     user=user, cache=thumbnail_cache, force=force, thumb_size=thumb_size,
   worker_1    |   File "/app/superset/utils/screenshots.py", line 152, in compute_and_cache
   worker_1    |     payload = self.get_screenshot(user=user, window_size=window_size)
   worker_1    |   File "/app/superset/utils/screenshots.py", line 74, in get_screenshot
   worker_1    |     self.screenshot = driver.get_screenshot(self.url, self.element, user)
   worker_1    |   File "/app/superset/utils/webdriver.py", line 104, in get_screenshot
   worker_1    |     driver = self.auth(user)
   worker_1    |   File "/app/superset/utils/webdriver.py", line 80, in auth
   worker_1    |     driver, user
   worker_1    |   File "/app/superset/utils/machine_auth.py", line 56, in authenticate_webdriver
   worker_1    |     cookies = self.get_auth_cookies(user)
   worker_1    |   File "/app/superset/utils/machine_auth.py", line 71, in get_auth_cookies
   worker_1    |     login_user(user)
   worker_1    |   File "/usr/local/lib/python3.7/site-packages/flask_login/utils.py", line 158, in login_user
   worker_1    |     if not force and not user.is_active:
   worker_1    |   File "/usr/local/lib/python3.7/site-packages/flask_appbuilder/security/sqla/models.py", line 150, in is_active
   worker_1    |     return self.active
   worker_1    |   File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/attributes.py", line 287, in __get__
   worker_1    |     return self.impl.get(instance_state(instance), dict_)
   worker_1    |   File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/attributes.py", line 718, in get
   worker_1    |     value = state._load_expired(state, passive)
   worker_1    |   File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/state.py", line 652, in _load_expired
   worker_1    |     self.manager.deferred_scalar_loader(self, toload)
   worker_1    |   File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/loading.py", line 944, in load_scalar_attributes
   worker_1    |     "attribute refresh operation cannot proceed" % (state_str(state))
   worker_1    | sqlalchemy.orm.exc.DetachedInstanceError: Instance <User at 0x7fed472c7690> is not bound to a Session; attribute refresh operation cannot proceed (Background on this error at: http://sqlalche.me/e/13/bhk3)
   
   ```


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