When does an associated object get released?

Question

I\'m attaching object B via associative reference to object A. Object B observes some properties of object A through KVO.

The problem is that object B seems to be d

Answer 1

objc_getAssociatedObject() for an OBJC_ASSOCIATION_RETAIN association returns an autoreleased object. Might you be calling it earlier in the same runloop cycle / autorelease pool scope as object A is deallocated? (You can probably test this quickly by changing the association to NONATOMIC).