xcode 有错误线程 1：程序收到信号“SIGABRT”；

Question

我有一段与 MapKit 相关的代码，它在我的 iMac 上运行良好，但在我的 MacBook 日志记录中出错，

Thread 1:Program received signal 'SIGABRT'

这是完整的日志，

GNU gdb 6.3.50-20050815 (Apple version gdb-1518) (Sat Feb 12 02:52:12 UTC 2011)
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This GDB was configured as "x86_64-apple-darwin".Attaching to process 2416.
2011-06-08 09:58:31.312 iCodeBlogMap[2416:207] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<iCodeBlogMapViewController 0x5b3f830> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key tableview.'
*** Call stack at first throw:
(
    0   CoreFoundation                      0x00f545a9 __exceptionPreprocess + 185
    1   libobjc.A.dylib                     0x010a8313 objc_exception_throw + 44
    2   CoreFoundation                      0x00f544e1 -[NSException raise] + 17
    3   Foundation                          0x00798677 _NSSetUsingKeyValueSetter + 135
    4   Foundation                          0x007985e5 -[NSObject(NSKeyValueCoding) setValue:forKey:] + 285
    5   UIKit                               0x0021430c -[UIRuntimeOutletConnection connect] + 112
    6   CoreFoundation                      0x00eca8cf -[NSArray makeObjectsPerformSelector:] + 239
    7   UIKit                               0x00212d23 -[UINib instantiateWithOwner:options:] + 1041
    8   UIKit                               0x00214ab7 -[NSBundle(UINSBundleAdditions) loadNibNamed:owner:options:] + 168
    9   UIKit                               0x000ca628 -[UIViewController _loadViewFromNibNamed:bundle:] + 70
    10  UIKit                               0x000c8134 -[UIViewController loadView] + 120
    11  UIKit                               0x000c800e -[UIViewController view] + 56
    12  UIKit                               0x0003bd42 -[UIWindow addRootViewControllerViewIfPossible] + 51
    13  iCodeBlogMap                        0x00002057 -[iCodeBlogMapAppDelegate application:didFinishLaunchingWithOptions:] + 135
    14  UIKit                               0x00018c89 -[UIApplication _callInitializationDelegatesForURL:payload:suspended:] + 1163
    15  UIKit                               0x0001ad88 -[UIApplication _runWithURL:payload:launchOrientation:statusBarStyle:statusBarHidden:] + 439
    16  UIKit                               0x00025617 -[UIApplication handleEvent:withNewEvent:] + 1533
    17  UIKit                               0x0001dabf -[UIApplication sendEvent:] + 71
    18  UIKit                               0x00022f2e _UIApplicationHandleEvent + 7576
    19  GraphicsServices                    0x0118d992 PurpleEventCallback + 1550
    20  CoreFoundation                      0x00f35944 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 52
    21  CoreFoundation                      0x00e95cf7 __CFRunLoopDoSource1 + 215
    22  CoreFoundation                      0x00e92f83 __CFRunLoopRun + 979
    23  CoreFoundation                      0x00e92840 CFRunLoopRunSpecific + 208
    24  CoreFoundation                      0x00e92761 CFRunLoopRunInMode + 97
    25  UIKit                               0x0001a7d2 -[UIApplication _run] + 623
    26  UIKit                               0x00026c93 UIApplicationMain + 1160
    27  iCodeBlogMap                        0x00001f99 main + 121
    28  iCodeBlogMap                        0x00001f15 start + 53
)
terminate called after throwing an instance of 'NSException'
sharedlibrary apply-load-rules all
Current language:  auto; currently objective-c
(gdb) 

如何修复此错误？

Answer 1

看起来您的代码在加载 iCodeBlogMapViewController nib 文件并尝试连接名为“tableview”的 IBOutlet 时崩溃了。如果您最近修改了源代码或 nib 文件，我会检查以确保它们仍然同步；您的代码可能在 iMac 上编译，因为您编译过一次，更改了源代码或笔尖，并且没有执行“清理”操作来删除旧的目标文件。