您好我无法确定实际问题是什么。我使用rails 2.3.18和ruby 1.8.7 错误的堆栈跟踪如下
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 68:in `unpack'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 68:in `escape'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 63:in `gsub'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 63:in `escape'
…port-2.3.18/lib/active_support/json/encoders/string.rb: 3:in `to_json'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 79:in `encode'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 18:in `__send__'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 18:in `encode'
…-2.3.18/lib/active_support/json/encoders/enumerable.rb: 11:in `to_json'
…-2.3.18/lib/active_support/json/encoders/enumerable.rb: 11:in `map'
…-2.3.18/lib/active_support/json/encoders/enumerable.rb: 11:in `to_json'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 79:in `encode'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 18:in `__send__'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 18:in `encode'
…port-2.3.18/lib/active_support/json/encoders/object.rb: 4:in `to_json'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 79:in `encode'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 18:in `__send__'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 18:in `encode'
…-2.3.18/lib/active_support/json/encoders/enumerable.rb: 11:in `to_json'
…-2.3.18/lib/active_support/json/encoders/enumerable.rb: 11:in `map'
…-2.3.18/lib/active_support/json/encoders/enumerable.rb: 11:in `to_json'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 79:in `encode'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 18:in `__send__'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 18:in `encode'
…upport-2.3.18/lib/active_support/json/encoders/hash.rb: 38:in `to_json'
…s/activesupport-2.3.18/lib/active_support/rescuable.rb: 95:in `map'
…upport-2.3.18/lib/active_support/json/encoders/hash.rb: 37:in `each'
…upport-2.3.18/lib/active_support/json/encoders/hash.rb: 37:in `map'
…upport-2.3.18/lib/active_support/json/encoders/hash.rb: 37:in `to_json'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 79:in `encode'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 18:in `__send__'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 18:in `encode'
…port-2.3.18/lib/active_support/json/encoders/object.rb: 4:in `to_json'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 79:in `encode'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 18:in `__send__'
…tivesupport-2.3.18/lib/active_support/json/encoding.rb: 18:in `encode'
…upport-2.3.18/lib/active_support/json/encoders/hash.rb: 38:in `to_json'
…s/activesupport-2.3.18/lib/active_support/rescuable.rb: 95:in `map'
…upport-2.3.18/lib/active_support/json/encoders/hash.rb: 37:in `each'
…upport-2.3.18/lib/active_support/json/encoders/hash.rb: 37:in `map'
…upport-2.3.18/lib/active_support/json/encoders/hash.rb: 37:in `to_json'
我不知道如何重现此错误。
Ruby Rails, jQuery, Uploadify - weird UTF-8 error告诉我如何解决这个问题，任何人都可以解释什么是问题以及如何重现这个问题？