NSCFData fastCharacterContents崩溃？ [英] NSCFData fastCharacterContents crash?

问题描述

我目前正在控制台中收到此崩溃日志：

I am currently getting this crash log in the console:

2011-08-23 19：18：40.064 App [1697： 707] - [__ NSCFData
_fastCharacterContents]：无法识别的选择器发送到实例0x1dbed0 2011-08-23 19：18：40.075 App [1697：707] * 由于未捕获的异常而终止应用程序'NSInvalidArgumentException '，原因：' - [__ NSCFData _fastCharacterContents]：无法识别的选择器发送到
实例0x11f1c0'

2011-08-23 19:18:40.064 App[1697:707] -[__NSCFData _fastCharacterContents]: unrecognized selector sent to instance 0x1dbed0 2011-08-23 19:18:40.075 App[1697:707] * Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSCFData _fastCharacterContents]: unrecognized selector sent to instance 0x11f1c0'

有谁知道这是什么手段？可能是什么原因造成的？谢谢！

Does anyone know what this means? What could be the cause of it? Thanks!

推荐答案

NSData 对象不响应 _fastCharacterContents 选择器，因此抛出运行时异常。

An NSData object doesn't respond to a _fastCharacterContents selector, so there's a runtime exception being thrown.

NSString 但是， DOES 有一个带有该名称的私有方法，因此您可能会将 NSData 对象存储到假定为一个 NSString 。

NSString, however, DOES have a private method with that name, so it's likely that you're storing an NSData object into something that is assumed to be an NSString.

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