我的应用程序因崩溃而被拒绝，但我无法从我身边重现崩溃。苹果发送以下崩溃日志：
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0:
0 libsystem_kernel.dylib 0x39146a50 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x39146849 mach_msg + 37
2 CoreFoundation 0x2df99625 __CFRunLoopServiceMachPort + 153
3 CoreFoundation 0x2df97d8b __CFRunLoopRun + 859
4 CoreFoundation 0x2df02765 CFRunLoopRunSpecific + 521
5 CoreFoundation 0x2df02547 CFRunLoopRunInMode + 103
6 GraphicsServices 0x32e396cf GSEventRunModal + 135
7 UIKit 0x3086188d UIApplicationMain + 1133
8 tiein 0x000df55f 0x7c000 + 406879
9 libdyld.dylib 0x390a2ab5 start + 1
Thread 1 name: Dispatch queue: com.apple.libdispatch-manager
Thread 1:
0 libsystem_kernel.dylib 0x39146804 kevent64 + 24
1 libdispatch.dylib 0x39095051 _dispatch_mgr_invoke + 229
2 libdispatch.dylib 0x3908f2df _dispatch_mgr_thread + 35
Thread 2:
0 libsystem_kernel.dylib 0x39146a50 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x39146849 mach_msg + 37
2 CoreFoundation 0x2df99625 __CFRunLoopServiceMachPort + 153
3 CoreFoundation 0x2df97d45 __CFRunLoopRun + 789
4 CoreFoundation 0x2df02765 CFRunLoopRunSpecific + 521
5 CoreFoundation 0x2df02547 CFRunLoopRunInMode + 103
6 Foundation 0x2e8f5493 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 251
7 Foundation 0x2e946255 -[NSRunLoop(NSRunLoop) run] + 77
8 tiein 0x00154241 0x7c000 + 885313
9 Foundation 0x2e9b7a0b __NSThread__main__ + 1059
10 libsystem_pthread.dylib 0x391c0957 _pthread_body + 139
11 libsystem_pthread.dylib 0x391c08c7 _pthread_start + 99
12 libsystem_pthread.dylib 0x391beae4 thread_start + 4
Thread 3:
0 libsystem_kernel.dylib 0x39159c70 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x391bec1f _pthread_wqthread + 307
2 libsystem_pthread.dylib 0x391bead8 start_wqthread + 4
Thread 4:
0 libsystem_kernel.dylib 0x39159c70 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x391bec1f _pthread_wqthread + 307
2 libsystem_pthread.dylib 0x391bead8 start_wqthread + 4
Thread 5 name: com.apple.NSURLConnectionLoader
Thread 5:
0 libsystem_kernel.dylib 0x39146a50 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x39146849 mach_msg + 37
2 CoreFoundation 0x2df99625 __CFRunLoopServiceMachPort + 153
3 CoreFoundation 0x2df97d45 __CFRunLoopRun + 789
4 CoreFoundation 0x2df02765 CFRunLoopRunSpecific + 521
5 CoreFoundation 0x2df02547 CFRunLoopRunInMode + 103
6 Foundation 0x2e94223d +[NSURLConnection(Loader) _resourceLoadLoop:] + 317
7 Foundation 0x2e9b7a0b __NSThread__main__ + 1059
8 libsystem_pthread.dylib 0x391c0957 _pthread_body + 139
9 libsystem_pthread.dylib 0x391c08c7 _pthread_start + 99
10 libsystem_pthread.dylib 0x391beae4 thread_start + 4
Thread 6 name: com.apple.CFSocket.private
Thread 6:
0 libsystem_kernel.dylib 0x39159434 __select + 20
1 CoreFoundation 0x2df9d51f __CFSocketManager + 483
2 libsystem_pthread.dylib 0x391c0957 _pthread_body + 139
3 libsystem_pthread.dylib 0x391c08c7 _pthread_start + 99
4 libsystem_pthread.dylib 0x391beae4 thread_start + 4
Thread 7 Crashed:
0 libsystem_kernel.dylib 0x391591f0 __pthread_kill + 8
1 libsystem_pthread.dylib 0x391c17b3 pthread_kill + 55
2 libsystem_c.dylib 0x39109ff5 abort + 73
3 libc++abi.dylib 0x3855898b abort_message + 71
4 libc++abi.dylib 0x385716e3 default_terminate_handler() + 251
5 libobjc.A.dylib 0x38ba4f7b _objc_terminate() + 191
6 libc++abi.dylib 0x3856f1b1 std::__terminate(void (*)()) + 77
7 libc++abi.dylib 0x3856ea05 __cxa_throw + 113
8 libobjc.A.dylib 0x38ba4db7 objc_exception_throw + 247
9 CoreFoundation 0x2df0a1bb -[__NSDictionaryM setObject:forKey:] + 815
10 tiein 0x000f7901 0x7c000 + 506113
11 tiein 0x000eb7b3 0x7c000 + 456627
12 tiein 0x00102c59 0x7c000 + 552025
13 Foundation 0x2e9b7a0b __NSThread__main__ + 1059
14 libsystem_pthread.dylib 0x391c0957 _pthread_body + 139
15 libsystem_pthread.dylib 0x391c08c7 _pthread_start + 99
16 libsystem_pthread.dylib 0x391beae4 thread_start + 4
Thread 8:
0 libsystem_kernel.dylib 0x39159c70 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x391bec1f _pthread_wqthread + 307
2 libsystem_pthread.dylib 0x391bead8 start_wqthread + 4
Thread 7 crashed with ARM Thread State (32-bit):
r0: 0x00000000 r1: 0x00000000 r2: 0x00000000 r3: 0x00002060
r4: 0x00000006 r5: 0x02559000 r6: 0x00000000 r7: 0x02557f54
r8: 0x14553fd0 r9: 0x00000001 r10: 0x146d7a80 r11: 0x146ebbb0
ip: 0x00000148 sp: 0x02557f48 lr: 0x391c17b7 pc: 0x391591f0
cpsr: 0x00000010
应用程序在登录页面崩溃，在登录期间我将设备令牌发送到服务器。如果令牌为零，它将崩溃（这可能是一个问题）。但是有没有获得设备令牌？