Feb 21 20:28:02 hkis-website daphne[16545]: [21/Feb/2021 20:28:02,495] Task exception was never retrieved
Feb 21 20:28:02 hkis-website daphne[16545]: future: <Task finished coro=<ExerciseConsumer.answer() done, defined at /opt/hkis-website/src/website/consumers.py:170> exception=OSError(12, 'Cannot allocate memory')>
Feb 21 20:28:02 hkis-website daphne[16545]: Traceback (most recent call last):
Feb 21 20:28:02 hkis-website daphne[16545]: File "/opt/hkis-website/src/website/consumers.py", line 182, in answer
Feb 21 20:28:02 hkis-website daphne[16545]: "language": self.settings.get("LANGUAGE_CODE", "en"),
Feb 21 20:28:02 hkis-website daphne[16545]: File "/opt/hkis-website/src/moulinette/tasks.py", line 203, in check_answer
Feb 21 20:28:02 hkis-website daphne[16545]: None, partial(sync_celery_check_answer, answer=answer)
Feb 21 20:28:02 hkis-website daphne[16545]: File "/usr/lib/python3.7/concurrent/futures/thread.py", line 57, in run
Feb 21 20:28:02 hkis-website daphne[16545]: result = self.fn(*self.args, **self.kwargs)
Feb 21 20:28:02 hkis-website daphne[16545]: File "/opt/hkis-website/src/moulinette/tasks.py", line 200, in sync_celery_check_answer
Feb 21 20:28:02 hkis-website daphne[16545]: return check_answer_task.apply_async((answer,), expires=60).get()
Feb 21 20:28:02 hkis-website daphne[16545]: File "/opt/hkis-website/venv/lib/python3.7/site-packages/celery/result.py", line 230, in get
Feb 21 20:28:02 hkis-website daphne[16545]: on_message=on_message,
Feb 21 20:28:02 hkis-website daphne[16545]: File "/opt/hkis-website/venv/lib/python3.7/site-packages/celery/backends/asynchronous.py", line 201, in wait_for_pending
Feb 21 20:28:02 hkis-website daphne[16545]: return result.maybe_throw(callback=callback, propagate=propagate)
Feb 21 20:28:02 hkis-website daphne[16545]: File "/opt/hkis-website/venv/lib/python3.7/site-packages/celery/result.py", line 335, in maybe_throw
Feb 21 20:28:02 hkis-website daphne[16545]: self.throw(value, self._to_remote_traceback(tb))
Feb 21 20:28:02 hkis-website daphne[16545]: File "/opt/hkis-website/venv/lib/python3.7/site-packages/celery/result.py", line 328, in throw
Feb 21 20:28:02 hkis-website daphne[16545]: self.on_ready.throw(*args, **kwargs)
Feb 21 20:28:02 hkis-website daphne[16545]: File "/opt/hkis-website/venv/lib/python3.7/site-packages/vine/promises.py", line 234, in throw
Feb 21 20:28:02 hkis-website daphne[16545]: reraise(type(exc), exc, tb)
Feb 21 20:28:02 hkis-website daphne[16545]: File "/opt/hkis-website/venv/lib/python3.7/site-packages/vine/utils.py", line 30, in reraise
Feb 21 20:28:02 hkis-website daphne[16545]: raise value
Feb 21 20:28:02 hkis-website daphne[16545]: OSError: [Errno 12] Cannot allocate memory