应用程序在控制台中出现此错误消息后终止：抛出“NSException”实例后调用终止

Question

kill
quit

The Debugger has exited with status 0.
[Session started at 2011-03-18 14:27:30 +0530.]
GNU gdb 6.3.50-20050815 (Apple version gdb-1472) (Wed Jul 21 10:53:12 UTC 2010)
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This GDB was configured as "x86_64-apple-darwin".sharedlibrary apply-load-rules all
Attaching to process 4478.
2011-03-18 14:27:32.460 TabBarAndNav[4478:207] WARNING: Using legacy cell layout due to delegate implementation of tableView:accessoryTypeForRowWithIndexPath: in <MoviesListViewController: 0x5f319a0>.  Please remove your implementation of this method and set the cell properties accessoryType and/or editingAccessoryType to move to the new cell layout behavior.  This method will no longer be called in a future release.
2011-03-18 14:27:34.400 TabBarAndNav[4478:207] WARNING: Using legacy cell layout due to delegate implementation of tableView:accessoryTypeForRowWithIndexPath: in <Community: 0x5f37a50>.  Please remove your implementation of this method and set the cell properties accessoryType and/or editingAccessoryType to move to the new cell layout behavior.  This method will no longer be called in a future release.
2011-03-18 14:27:45.272 TabBarAndNav[4478:207] -[TestFile <null selector>]: unrecognized selector sent to instance 0x5f38ff0
2011-03-18 14:27:45.277 TabBarAndNav[4478:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[TestFile <null selector>]: unrecognized selector sent to instance 0x5f38ff0'
*** Call stack at first throw:
(
    0   CoreFoundation                      0x02515b99 __exceptionPreprocess + 185
    1   libobjc.A.dylib                     0x0266540e objc_exception_throw + 47
    2   CoreFoundation                      0x025176ab -[NSObject(NSObject) doesNotRecognizeSelector:] + 187
    3   CoreFoundation                      0x024872b6 ___forwarding___ + 966
    4   CoreFoundation                      0x02486e72 _CF_forwarding_prep_0 + 50
    5   Foundation                          0x0004221a __NSFireDelayedPerform + 441
    6   CoreFoundation                      0x024f6f73 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 19
    7   CoreFoundation                      0x024f85b4 __CFRunLoopDoTimer + 1364
    8   CoreFoundation                      0x02454dd9 __CFRunLoopRun + 1817
    9   CoreFoundation                      0x02454350 CFRunLoopRunSpecific + 208
    10  CoreFoundation                      0x02454271 CFRunLoopRunInMode + 97
    11  GraphicsServices                    0x02d7000c GSEventRunModal + 217
    12  GraphicsServices                    0x02d700d1 GSEventRun + 115
    13  UIKit                               0x002d1af2 UIApplicationMain + 1160
    14  TabBarAndNav                        0x00002004 main + 102
    15  TabBarAndNav                        0x00001f95 start + 53
    16  ???                                 0x00000001 0x0 + 1
)
terminate called after throwing an instance of 'NSException'
Program received signal:  “SIGABRT”.
(gdb) 

Answer 1

查看控制台消息中的以下几行，

2011-03-18 14:27:45.272 TabBarAndNav[4478:207] -[TestFile <null selector>]: unrecognized selector sent to instance 0x5f38ff0
2011-03-18 14:27:45.277 TabBarAndNav[4478:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[TestFile <null selector>]: unrecognized selector sent to instance 0x5f38ff0'

它表示您正在调用 TestFile 对象的选择器。