iOS SIGABRT 即将推出

Question

我最近设置了 Crashlytics 以从我的 iOS 应用程序接收崩溃日志，并且我不断收到 SIGABRT 崩溃日志，但我找不到它的来源。

如果你能帮我一点，这是崩溃日志:

Exception Type: SIGABRT Code: ABORT at 0x364b132c
com.apple.main-thread Crashed
     libsystem_kernel.dylib  __pthread_kill + 8
     libsystem_c.dylib   pthread_kill + 54
     libsystem_c.dylib   abort + 94
     libc++abi.dylib     abort_message + 46
     libc++abi.dylib     safe_handler_caller(void (*)()) + 120
     libc++abi.dylib     operator delete(void*)
     libc++abi.dylib     __cxa_current_exception_type
     libobjc.A.dylib     objc_exception_rethrow + 12
     CoreFoundation  CFRunLoopRunSpecific + 404
     CoreFoundation  CFRunLoopRunInMode + 104
     GraphicsServices    GSEventRunModal + 136
     UIKit   UIApplicationMain + 1080
     MyApplication   main.m line 16 main
com.apple.libdispatch-manager
     libsystem_kernel.dylib  kevent + 24
     libdispatch.dylib   _dispatch_mgr_invoke + 714
     libdispatch.dylib   _dispatch_mgr_wakeup
WebThread
     libsystem_kernel.dylib  __psynch_mutexwait + 24
     libsystem_c.dylib   pthread_mutex_lock + 382
     WebCore     _WebTryThreadLock(bool) + 214
     WebCore     WebRunLoopLock(__CFRunLoopObserver*, unsigned long, void*) + 30
     CoreFoundation  __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 18
     CoreFoundation  __CFRunLoopDoObservers + 258
     CoreFoundation  __CFRunLoopRun + 952
     CoreFoundation  CFRunLoopRunSpecific + 300
     CoreFoundation  CFRunLoopRunInMode + 104
     WebCore     RunWebThread(void*) + 402
     libsystem_c.dylib   _pthread_start + 320
com.crashlytics.MachExceptionServer
     libsystem_kernel.dylib  mach_msg_trap + 20
     libsystem_kernel.dylib  mach_msg + 56
     MyApplication   CLSMachExceptionServer + 120
     libsystem_c.dylib   _pthread_start + 320
com.apple.NSURLConnectionLoader
     libsystem_kernel.dylib  mach_msg_trap + 20
     libsystem_kernel.dylib  mach_msg + 56
     CoreFoundation  __CFRunLoopServiceMachPort + 126
     CoreFoundation  __CFRunLoopRun + 882
     CoreFoundation  CFRunLoopRunSpecific + 300
     CoreFoundation  CFRunLoopRunInMode + 104
     Foundation  +[NSURLConnection(Loader) _resourceLoadLoop:] + 308
     Foundation  -[NSThread main] + 72
     Foundation  __NSThread__main__ + 1048
     libsystem_c.dylib   _pthread_start + 320
Thread
     libsystem_kernel.dylib  __psynch_cvwait + 24
     libsystem_c.dylib   _pthread_cond_wait + 640
     libsystem_c.dylib   pthread_cond_wait + 40
     Foundation  -[NSCondition wait] + 196
     MyApplication  PFCommandCache.m line 496 -[PFCommandCache runLoop]
     Foundation  -[NSThread main] + 72
     Foundation  __NSThread__main__ + 1048
     libsystem_c.dylib   _pthread_start + 320
Thread
     libsystem_kernel.dylib  mach_msg_trap + 20
     libsystem_kernel.dylib  mach_msg + 56
     CoreFoundation  __CFRunLoopServiceMachPort + 126
     CoreFoundation  __CFRunLoopRun + 882
     CoreFoundation  CFRunLoopRunSpecific + 300
     CoreFoundation  CFRunLoopRunInMode + 104
     Foundation  -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 256
     Foundation  -[NSRunLoop(NSRunLoop) run] + 78
     MyApplication  PF_AFURLConnectionOperation.m line 151 +[PF_AFURLConnectionOperation networkRequestThreadEntryPoint:]
     Foundation  -[NSThread main] + 72
     Foundation  __NSThread__main__ + 1048
     libsystem_c.dylib   _pthread_start + 320
com.apple.CFSocket.private
     libsystem_kernel.dylib  __select + 20
     CoreFoundation  __CFSocketManager + 732
     libsystem_c.dylib   _pthread_start + 320
Thread
     libsystem_kernel.dylib  __workq_kernreturn + 8
     libsystem_c.dylib   _pthread_wqthread + 616
WebCore: CFNetwork Loader
     libsystem_kernel.dylib  mach_msg_trap + 20
     libsystem_kernel.dylib  mach_msg + 56
     CoreFoundation  __CFRunLoopServiceMachPort + 126
     CoreFoundation  __CFRunLoopRun + 882
     CoreFoundation  CFRunLoopRunSpecific + 300
     CoreFoundation  CFRunLoopRunInMode + 104
     WebCore     WebCore::runLoaderThread(void*) + 128
     libsystem_c.dylib   _pthread_start + 320
Thread
     libsystem_kernel.dylib  __workq_kernreturn + 8
     libsystem_c.dylib   _pthread_wqthread + 616
Thread
     libsystem_c.dylib   start_wqthread

感谢您的帮助!

编辑:需要明确的是，我多次收到此崩溃日志，我无法在我的测试设备上重现该错误

Answer 1

似乎您正在 WebThread(UIWebView？)内的 applicationDelegate (applicationDidEnterBackground 等)中删除/删除某些内容，如果您关闭/重新打开应用程序，这些内容将不再存在。