NSCFData isResizable crash？ [英] NSCFData isResizable crash?

问题描述

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

？可能是什么原因？

谢谢！

推荐答案

更可能的是，你已经过度释放了一些随机对象，很巧的是，NSData（或CFData）的一个实例已经分配在now-gone对象的位置。

More likely than not, you've over-released some random object and, quite coincidentally, an instance of NSData (or CFData) has been allocated at the location of the now-gone object.

运行Zombie检测仪器，看看是否捕捉到任何东西（搜索SO for NSZombie）。

Run the Zombie detection instrument and see if that catches anything (search SO for NSZombie).

或者，在objc_exception_throw上设置一个断点，消息正在发送。但这可能不能提供足够的上下文。

Alternatively, set a breakpoint on objc_exception_throw and that should show you where the message is being sent. That may not provide enough context, though.

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