How to disallow pickle serialization in celery

Question

Celery defaults to using pickle as its serialization method for tasks. As noted in the FAQ, this represents a security hole. Celery allows you to configure how tasks get seria

Answer 1

I was getting "ContentDisallowed: Refusing to deserialize untrusted content of type pickle (application/x-python-serialize)"

having:

CELERY_ACCEPT_CONTENT = ['json']

wasn't enough... I had to also add the followings to settings:

CELERY_TASK_SERIALIZER = 'json'
CELERY_RESULT_SERIALIZER = 'json'