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uninitialized constant Moped::BSON in rails 4 app on heroku

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时光取名叫无心
时光取名叫无心 2021-02-09 07:52

I just updated from rails 3 to rails 4. Everything works locally, but deployed on heroku, I get the following error:

ActionView::Template::Error (uninitialized c
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  • 礼貌的吻别
    礼貌的吻别 (楼主)
    2021-02-09 08:37

    This error can also be caused by having references to Moped::BSON in serialized cookies/session. Deleting cookies fixes it then.

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