[GitHub] [incubator-superset] wooram1125 opened a new issue #8944: "RuntimeError: Working outside of application context." in Celery

[GitBox]

wooram1125 opened a new issue #8944: "RuntimeError: Working outside of 
application context." in Celery
URL: https://github.com/apache/incubator-superset/issues/8944
 
 
   A clear and concise description of what the bug is.
   
   ### Actual results
   ```
   Traceback (most recent call last):
     File 
"c:\users\wooram\pycharmprojects\dighty-superset\venv\lib\site-packages\billiard\process.py",
 line 327, in _bootstrap
       self.run()
     File 
"c:\users\wooram\pycharmprojects\dighty-superset\venv\lib\site-packages\billiard\process.py",
 line 114, in run
       self._target(*self._args, **self._kwargs)
     File 
"c:\users\wooram\pycharmprojects\dighty-superset\venv\lib\site-packages\billiard\pool.py",
 line 286, in __call__
       self.after_fork()
     File 
"c:\users\wooram\pycharmprojects\dighty-superset\venv\lib\site-packages\billiard\pool.py",
 line 395, in after_fork
       self.initializer(*self.initargs)
     File 
"c:\users\wooram\pycharmprojects\dighty-superset\venv\lib\site-packages\celery\concurrency\prefork.py",
 line 55, in process_initializer
       app.loader.init_worker()
     File 
"c:\users\wooram\pycharmprojects\dighty-superset\venv\lib\site-packages\celery\loaders\base.py",
 line 114, in init_worker
       self.import_default_modules()
     File 
"c:\users\wooram\pycharmprojects\dighty-superset\venv\lib\site-packages\celery\loaders\base.py",
 line 109, in import_default_modules
       return [self.import_task_module(m) for m in self.default_modules]
     File 
"c:\users\wooram\pycharmprojects\dighty-superset\venv\lib\site-packages\celery\loaders\base.py",
 line 109, in <listcomp>
       return [self.import_task_module(m) for m in self.default_modules]
     File 
"c:\users\wooram\pycharmprojects\dighty-superset\venv\lib\site-packages\celery\loaders\base.py",
 line 89, in import_task_module
       return self.import_from_cwd(module)
     File 
"c:\users\wooram\pycharmprojects\dighty-superset\venv\lib\site-packages\celery\loaders\base.py",
 line 98, in import_from_cwd
       package=package,
     File 
"c:\users\wooram\pycharmprojects\dighty-superset\venv\lib\site-packages\celery\utils\imports.py",
 line 111, in import_from_cwd
       return imp(module, package=package)
     File 
"c:\users\wooram\pycharmprojects\dighty-superset\venv\lib\site-packages\celery\loaders\base.py",
 line 92, in import_module
       return importlib.import_module(module, package=package)
     File 
"c:\users\wooram\pycharmprojects\dighty-superset\venv\lib\importlib\__init__.py",
 line 126, in import_module
       return _bootstrap._gcd_import(name[level:], package, level)
     File "<frozen importlib._bootstrap>", line 994, in _gcd_import
     File "<frozen importlib._bootstrap>", line 971, in _find_and_load
     File "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked
     File "<frozen importlib._bootstrap>", line 665, in _load_unlocked
     File "<frozen importlib._bootstrap_external>", line 678, in exec_module
     File "<frozen importlib._bootstrap>", line 219, in 
_call_with_frames_removed
     File 
"C:\Users\wooram\PycharmProjects\dighty-superset\superset\sql_lab.py", line 43, 
in <module>
       from superset.db_engine_specs import BaseEngineSpec
     File 
"C:\Users\wooram\PycharmProjects\dighty-superset\superset\db_engine_specs\__init__.py",
 line 36, in <module>
       from superset.db_engine_specs.base import BaseEngineSpec
     File 
"C:\Users\wooram\PycharmProjects\dighty-superset\superset\db_engine_specs\base.py",
 line 55, in <module>
       config = app.config
     File 
"c:\users\wooram\pycharmprojects\dighty-superset\venv\lib\site-packages\werkzeug\local.py",
 line 348, in __getattr__
       return getattr(self._get_current_object(), name)
     File 
"c:\users\wooram\pycharmprojects\dighty-superset\venv\lib\site-packages\werkzeug\local.py",
 line 307, in _get_current_object
       return self.__local()
     File 
"c:\users\wooram\pycharmprojects\dighty-superset\venv\lib\site-packages\flask\globals.py",
 line 52, in _find_app
       raise RuntimeError(_app_ctx_err_msg)
   RuntimeError: Working outside of application context.
   
   This typically means that you attempted to use functionality that needed
   to interface with the current application object in some way. To solve
   this, set up an application context with app.app_context().  See the
   documentation for more information.
   ```
   
   #### How to reproduce the bug
   ```
   celery worker --app=superset.tasks.celery_app:app --pool=prefork -O fair -c 4
   ```
   ### Environment
   - superset version: 0.999.0dev
   - python version: Python 3.6.8
   - node.js version: v8.11.1
   - npm version: 6.8.0
   
   ### Checklist
   
   Make sure these boxes are checked before submitting your issue - thank you!
   
   - [*] I have checked the superset logs for python stacktraces and included 
it here as text if there are any.
   - [*] I have reproduced the issue with at least the latest released version 
of superset.
   - [*] I have checked the issue tracker for the same issue and I haven't 
found one similar.
   

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