我正在努力更好地理解堆栈跟踪的含义。在这种情况下，我有两个具体的问题。
1 - 此堆栈跟踪是否意味着方法setOutcome：由Task对象的实例无法识别？
2 - 如果传入的参数与预期参数的类不匹配，是否可以忽略方法？
012-03-30 01:53:57.988 Arbonne[17625:15203] -[Task setOutcome:]: unrecognized selector sent to instance 0x81b6b60
2012-03-30 01:53:58.151 Arbonne[17625:15203] ERROR main [Line 20] Uncaught exception: -[Task setOutcome:]: unrecognized selector sent to instance 0x81b6b60
2012-03-30 01:53:58.154 Arbonne[17625:15203] ERROR main [Line 21] Stack trace: (
0 CoreFoundation 0x01d8903e __exceptionPreprocess + 206
1 libobjc.A.dylib 0x01f1acd6 objc_exception_throw + 44
2 CoreFoundation 0x01d8acbd -[NSObject doesNotRecognizeSelector:] + 253
3 CoreFoundation 0x01cefed0 ___forwarding___ + 432
4 CoreFoundation 0x01cefcb2 _CF_forwarding_prep_0 + 50
5 Arbonne 0x00030d5d -[TaskViewController addTask:] + 237
6 CoreFoundation 0x01d8ae99 -[NSObject performSelector:withObject:withObject:] + 73
7 UIKit 0x0081a14e -[UIApplication sendAction:to:from:forEvent:] + 96
8 UIKit 0x00a58a0e -[UIBarButtonItem(UIInternal) _sendAction:withEvent:] + 145
9 CoreFoundation 0x01d8ae99 -[NSObject performSelector:withObject:withObject:] + 73
10 UIKit 0x0081a14e -[UIApplication sendAction:to:from:forEvent:] + 96
11 UIKit 0x0081a0e6 -[UIApplication sendAction:toTarget:fromSender:forEvent:] + 61
12 UIKit 0x008c0ade -[UIControl sendAction:to:forEvent:] + 66
13 UIKit 0x008c0fa7 -[UIControl(Internal) _sendActionsForEvents:withEvent:] + 503
14 UIKit 0x008c0266 -[UIControl touchesEnded:withEvent:] + 549
15 UIKit 0x0083f3c0 -[UIWindow _sendTouchesForEvent:] + 513
16 UIKit 0x0083f5e6 -[UIWindow sendEvent:] + 273
17 UIKit 0x00825dc4 -[UIApplication sendEvent:] + 464
18 UIKit 0x00819634 _UIApplicationHandleEvent + 8196
19 GraphicsServices 0x02653ef5 PurpleEventCallback + 1274
20 CoreFoundation 0x01d5d195 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 53
21 CoreFoundation 0x01cc1ff2 __CFRunLoopDoSource1 + 146
22 CoreFoundation 0x01cc08da __CFRunLoopRun + 2218
23 CoreFoundation 0x01cbfd84 CFRunLoopRunSpecific + 212
24 CoreFoundation 0x01cbfc9b CFRunLoopRunInMode + 123
25 GraphicsServices 0x026527d8 GSEventRunModal + 190
26 GraphicsServices 0x0265288a GSEventRun + 103
27 UIKit 0x00817626 UIApplicationMain + 1163
28 Arbonne 0x0000324f main + 127
29 Arbonne 0x00002c55 start + 53
答案 0 :(得分：2)