because of mongoid 3.0 no longer use mongo driver, it use moped. Mongo driver dependence on bson and bson ext gem. And they has namespace conflict for class Binary.
bson-1.6.4/lib/bson/types/binary.rb:27:in `module:BSON': superclass mismatch for class Binary (TypeError)
because of mongoid 3.0 no longer use mongo driver, it use moped. Mongo driver dependence on bson and bson ext gem. And they has namespace conflict for class Binary.
bson-1.6.4/lib/bson/types/binary.rb:27:in `module:BSON': superclass mismatch for class Binary (TypeError)