直到今天，无论有没有Xcode，运行都很好。但后来我把设备升级到了iOS 14.2测试版和Xcode 12.1测试版。然后我用Xcode运行了这个应用程序，没有遇到任何问题，但当我试图在没有附加Xcode的情况下运行它时，它只是崩溃了。
我猜我的任何第三方库可能与即将推出的iOS 14.2不兼容？但是我该怎么找到哪一个呢？
如果只是在应用程序未调试时发生，我该如何调试？
提前谢谢。
编辑：我能够使用Xcode来检索这个崩溃日志：
Incident Identifier: 457D137B-4C71-4234-B00C-A7FCFB54B83E
CrashReporter Key: 8209fa6a3cb483ad2e2f83c4080e8b5156eec66d Hardware
Model: iPhone11,8 Process: city [744] Path:
/private/var/containers/Bundle/Application/BB8D479E-0C9F-4A22-ABB0-6E4371CA3CA3/city.app/city
Identifier: com.myapp.app Version: 836 (0.97)
Code Type: ARM-64 (Native) Role: Foreground
Parent Process: launchd [1] Coalition: com.myapp.app
[572]
Date/Time: 2020-11-04 17:38:27.4634 +0100 Launch Time:
2020-11-04 17:38:07.3599 +0100 OS Version: iPhone OS 14.2
(18B91) Release Type: User Baseband Version: 3.01.01 Report
Version: 104
Exception Type: EXC_CRASH (SIGKILL) Exception Codes:
0x0000000000000000, 0x0000000000000000 Exception Note:
EXC_CORPSE_NOTIFY Termination Reason: Namespace SPRINGBOARD, Code
0x8badf00d Termination Description: SPRINGBOARD, <RBSTerminateContext|
domain:10 code:0x8BADF00D explanation:process-launch watchdog
transgression: application<com.myapp.app>:744 exhausted real (wall
clock) time allowance of 20.00 seconds | ProcessVisibility: Foreground
| ProcessState: Running | WatchdogEvent: process-launch |
WatchdogVisibility: Foreground | WatchdogCPUStatistics: ( | "Elapsed
total CPU time (seconds): 9.720 (user 9.720, system 0.000), 8% CPU", |
"Elapsed application CPU time (seconds): 0.105, 0% CPU" | )
reportType:CrashLog maxTerminationResistance:Interactive> Triggered by
Thread: 0
Thread 0 name: Dispatch queue: com.apple.main-thread Thread 0
Crashed: 0 libsystem_kernel.dylib 0x00000001d217bf5c
__ulock_wait + 8 1 libdispatch.dylib 0x00000001a4e71794 _dlock_wait + 56 2 libdispatch.dylib 0x00000001a4e716c0 _dispatch_once_wait + 124 3 UIKitCore 0x00000001a782c430 -[_UIApplicationConfigurationLoader
_loadInitializationContext] + 152 4 UIKitCore 0x00000001a782c77c -[_UIApplicationConfigurationLoader
applicationInitializationContext] + 32 5 UIKitCore
0x00000001a7813394 -[_UIScreenInitialDisplayConfigurationLoader
initialDisplayContext] + 180 6 UIKitCore
0x00000001a7813680 +[UIScreen initialize] + 128 7 libobjc.A.dylib
0x00000001b97cdc58 CALLING_SOME_+initialize_METHOD + 24 8
libobjc.A.dylib 0x00000001b97d4318
initializeNonMetaClass + 716 9 libobjc.A.dylib
0x00000001b97d5910 initializeAndMaybeRelock+ 39184 (objc_class*,
objc_object*, mutex_tt<false>&, bool) + 280 10 libobjc.A.dylib
0x00000001b97e4498 lookUpImpOrForward + 956 11 libobjc.A.dylib
0x00000001b97ce524 _objc_msgSend_uncached + 68 12 UIKitCore
0x00000001a782cc80 _UIGetCurrentFallbackTraitCollection + 100 13
UIKitCore 0x00000001a78299d8 +[UITraitCollection
_currentTraitCollectionWithFallback:markFallback:] + 176 14 UIKitCore 0x00000001a7831454 _UICurrentImageTraitCollection + 28 15 UIKitCore
0x00000001a78310f4 +[UIImageConfiguration
_completeConfiguration:fromConfiguration:] + 164 16 UIKitCore 0x00000001a77dfad0 +[UIImage imageNamed:inBundle:withConfiguration:]
+ 180 17 UnityFramework 0x00000001059fbb38 +[LUTheme initialize] + 10468152 (LUTheme.m:150) 18 libobjc.A.dylib
0x00000001b97cdc58 CALLING_SOME_+initialize_METHOD + 24 19
libobjc.A.dylib 0x00000001b97d4318
initializeNonMetaClass + 716 20 libobjc.A.dylib
0x00000001b97d5910 initializeAndMaybeRelock+ 39184 (objc_class*,
objc_object*, mutex_tt<false>&, bool) + 280 21 libobjc.A.dylib
0x00000001b97e4498 lookUpImpOrForward + 956 22 libobjc.A.dylib
0x00000001b97ce524 _objc_msgSend_uncached + 68 23 UnityFramework
0x00000001059ddd00 +[LUConsoleLogEntry load] + 10345728
(LUConsoleLogEntry.m:44) 24 libobjc.A.dylib
0x00000001b97dd21c load_images + 928 25 libdyld.dylib
0x00000001a4ec1840 invocation function for block in
dyld3::AllImages::runInitialzersBottomUp+ 71744 (dyld3::closure::Image
const*) + 224 26 libdyld.dylib 0x00000001a4eb318c
dyld3::closure::Image::forEachImageToInitBefore(void + 12684 (unsigned
int, bool&) block_pointer) const + 104 27 libdyld.dylib
0x00000001a4ec2344 dyld3::AllImages::loadImage+ 74564 (Diagnostics&,
char const*, unsigned int, dyld3::closure::DlopenClosure const*, bool,
bool, bool, bool, void const*) + 828 28 libdyld.dylib
0x00000001a4ec1e2c dyld3::AllImages::dlopen+ 73260 (Diagnostics&,
char const*, bool, bool, bool, bool, bool, void const*, bool) + 904 29
libdyld.dylib 0x00000001a4ec3d14
dyld3::dlopen_internal+ 81172 (char const*, int, void*) + 372 30
libdyld.dylib 0x00000001a4eb5d44 dlopen_internal+
23876 (char const*, int, void*) + 112 31 CoreFoundation
0x00000001a51d2124 _CFBundleDlfcnLoadFramework + 140 32
CoreFoundation 0x00000001a51a1e10
_CFBundleLoadExecutableAndReturnError + 384 33 Foundation 0x00000001a64d1908 -[NSBundle loadAndReturnError:] + 336 34 city
0x0000000102533cb0 UnityFrameworkLoad() + 31920 (main.mm:12) 35 city
0x0000000102533db4 main + 32180 (main.mm:25) 36 libdyld.dylib
0x00000001a4eb16c0 start + 4
Thread 1 name: Dispatch queue:
com.apple.uikit.applicationSupportClient Thread 1: 0
libsystem_kernel.dylib 0x00000001d217b204 __psynch_mutexwait +
8 1 libsystem_pthread.dylib 0x00000001ee698214
_pthread_mutex_firstfit_lock_wait + 92 2 libsystem_pthread.dylib 0x00000001ee698164 _pthread_mutex_firstfit_lock_slow + 216 3
libdyld.dylib 0x00000001a4ec3bec
dyld3::dlopen_internal+ 80876 (char const*, int, void*) + 76 4
libdyld.dylib 0x00000001a4eb5d44 dlopen_internal+
23876 (char const*, int, void*) + 112 5 SoftLinking
0x00000001e634bf50 _sl_dlopen_audited + 52 6 BoardServices
0x00000001be0cb160 __getRBSServiceInitializeSymbolLoc_block_invoke +
84 7 BoardServices 0x00000001be0c8720
__34+[BSServiceManager sharedInstance]_block_invoke + 900 8 libdispatch.dylib 0x00000001a4e70db0
_dispatch_client_callout + 20 9 libdispatch.dylib 0x00000001a4e725c8 _dispatch_once_callout + 32 10 BoardServices
0x00000001be0c8398 +[BSServiceManager sharedInstance] + 84 11
BoardServices 0x00000001be0c0924
+[BSServiceConnection _connectionWithEndpoint:clientContextBuilder:] + 324 12 UIKitServices 0x00000001a9276a50
__44-[UISApplicationSupportClient _remoteTarget]_block_invoke + 208 13 libdispatch.dylib 0x00000001a4e70db0
_dispatch_client_callout + 20 14 libdispatch.dylib 0x00000001a4e7f428 _dispatch_lane_barrier_sync_invoke_and_complete +
60 15 UIKitServices 0x00000001a9276938
-[UISApplicationSupportClient _remoteTarget] + 184 16 UIKitServices 0x00000001a9276160 -[UISApplicationSupportClient
applicationInitializationContextWithParameters:] + 196 17 UIKitCore
0x00000001a782c5b0 __63-[_UIApplicationConfigurationLoader
_loadInitializationContext]_block_invoke_2 + 228 18 UIKitCore 0x00000001a782c4c0
__UIAPPLICATION_IS_LOADING_INITIALIZATION_INFO_FROM_THE_SYSTEM__ + 28 19 UIKitCore 0x00000001a782c498
__63-[_UIApplicationConfigurationLoader _loadInitializationContext]_block_invoke + 100 20 libdispatch.dylib 0x00000001a4e70db0 _dispatch_client_callout + 20 21
libdispatch.dylib 0x00000001a4e725c8
_dispatch_once_callout + 32 22 UIKitCore 0x00000001a782c430 -[_UIApplicationConfigurationLoader
_loadInitializationContext] + 152 23 UIKitCore 0x00000001a782c740 __70-[_UIApplicationConfigurationLoader
startPreloadInitializationContext]_block_invoke + 28 24
libdispatch.dylib 0x00000001a4e6f24c
_dispatch_call_block_and_release + 32 25 libdispatch.dylib 0x00000001a4e70db0 _dispatch_client_callout + 20 26
libdispatch.dylib 0x00000001a4e81a68
_dispatch_root_queue_drain + 656 27 libdispatch.dylib 0x00000001a4e82120 _dispatch_worker_thread2 + 116 28
libsystem_pthread.dylib 0x00000001ee6947c8 _pthread_wqthread +
216 29 libsystem_pthread.dylib 0x00000001ee69b75c
start_wqthread + 8
Thread 0 crashed with ARM Thread State (64-bit):
x0: 0xfffffffffffffffc x1: 0x0000000000000000 x2: 0x0000000000001801 x3: 0x0000000000000000
x4: 0x00000001a4e861c8 x5: 0x0000000000000000 x6: 0x0000000000000000 x7: 0x0000000000000023
x8: 0x0000000000001c07 x9: 0x0000000000001800 x10: 0x0000000000000001 x11: 0x000000000000000f x12: 0x0000000000cb4333
x13: 0x0300000204a4a729 x14: 0x0000000000000000 x15:
0x0000000204a4a728 x16: 0x0000000000000203 x17: 0x00000001a782c434
x18: 0x0000000000000000 x19: 0x0000000000000000 x20:
0x0000000204a5bf20 x21: 0x0000000001000002 x22: 0x0000000000001801
x23: 0x0000000000000008 x24: 0x0000000000000008 x25:
0x00000002049efa7c x26: 0x00000001029c39a0 x27: 0x00000002049ef000
x28: 0x00000001fad4b000 fp: 0x000000016d8cd840 lr:
0x00000001a4e71794
sp: 0x000000016d8cd820 pc: 0x00000001d217bf5c cpsr: 0x00000000 esr: 0x56000080 Address size fault
Binary Images: 0x10252c000 - 0x102533fff city arm64
<982dcb0901db3c84a30ab03723b50e64>
/var/containers/Bundle/Application/BB8D479E-0C9F-4A22-ABB0-6E4371CA3CA3/city.app/city
0x102918000 - 0x102987fff dyld arm64e
<a5f65ef3bd32370b9821b3e9cda294d2> /usr/lib/dyld 0x105000000 -
0x109c5ffff UnityFramework arm64 <e59b3708514d3bbab0f36aa67ddd48c2>
/var/containers/Bundle/Application/BB8D479E-0C9F-4A22-ABB0-6E4371CA3CA3/city.app/Frameworks/UnityFramework.framework/UnityFramework
0x1a4e6d000 - 0x1a4eaffff libdispatch.dylib arm64e
<3277bf1eb99436099b30e0186bbf3c25> /usr/lib/system/libdispatch.dylib
0x1a4eb0000 - 0x1a4eeafff libdyld.dylib arm64e
<ba60cb9e95c53646beedd313e15586cf> /usr/lib/system/libdyld.dylib
0x1a4eeb000 - 0x1a5156fff libicucore.A.dylib arm64e
<844c0712322438dcb019d7d4bbbddf17> /usr/lib/libicucore.A.dylib
0x1a5157000 - 0x1a5510fff CoreFoundation arm64e
<af3f8e01c1303464ad40c5532d273483>
/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
0x1a5511000 - 0x1a56bbfff CoreServices arm64e
<f036999028923bd39ccb7d9436a145cb>
/System/Library/Frameworks/CoreServices.framework/CoreServices
0x1a56bc000 - 0x1a5704fff WirelessDiagnostics arm64e
<7bcb1847440837d3ad100dae2432129e>
/System/Library/PrivateFrameworks/WirelessDiagnostics.framework/WirelessDiagnostics
0x1a5705000 - 0x1a577ffff SystemConfiguration arm64e
<98796725fd6c39b6af67b09485215996>
/System/Library/Frameworks/SystemConfiguration.framework/SystemConfiguration
0x1a5780000 - 0x1a5877fff CoreTelephony arm64e
<1865753878113c668fdce282c9999252>
/System/Library/Frameworks/CoreTelephony.framework/CoreTelephony
0x1a5878000 - 0x1a5d0ffff CFNetwork arm64e
<f8c7b81649ab39479309b8975a7ccea0>
/System/Library/Frameworks/CFNetwork.framework/CFNetwork 0x1a5d10000 -
0x1a641dfff libnetwork.dylib arm64e
<267d1486bbbd34efbc93d51b2460b9e9> /usr/lib/libnetwork.dylib
0x1a641e000 - 0x1a6494fff Accounts arm64e
<6c32f1bd45c730a9b5955eac14fb5142>
/System/Library/Frameworks/Accounts.framework/Accounts 0x1a6495000 -
0x1a6750fff Foundation arm64e <5c24ee4a344736bd99106f4d9616d692>
/System/Library/Frameworks/Foundation.framework/Foundation 0x1a6751000
- 0x1a6ab0fff ImageIO arm64e <ce6bb6d9752139118ba03e6b8b147f40> /System/Library/Frameworks/ImageIO.framework/ImageIO 0x1a6aca000 -
0x1a7062fff CoreGraphics arm64e <5fbf586867c23779be8102182faff4b0>
/System/Library/Frameworks/CoreGraphics.framework/CoreGraphics
0x1a7063000 - 0x1a850efff UIKitCore arm64e
<05147936b8753ef394db9c8869bb0e34>
/System/Library/PrivateFrameworks/UIKitCore.framework/UIKitCore
0x1a850f000 - 0x1a852efff libAccessibility.dylib arm64e
<b88743822b4f3f4ea0ca1408c2a86634> /usr/lib/libAccessibility.dylib
0x1a852f000 - 0x1a87b3fff QuartzCore arm64e
<dc2644e7e5e43d839110a5ae7e2c8b1f>
/System/Library/Frameworks/QuartzCore.framework/QuartzCore 0x1a87b4000
- 0x1a881ffff BackBoardServices arm64e <4827f4d1b8c13c59a7f6d4549556356a>
/System/Library/PrivateFrameworks/BackBoardServices.framework/BackBoardServices
0x1a8820000 - 0x1a88adfff TextInput arm64e
<c1bac3dcbbc138beb86782ab8c97227d>
/System/Library/PrivateFrameworks/TextInput.framework/TextInput
0x1a8917000 - 0x1a8cc1fff AppleMediaServices arm64e
<3793486f3f3b362b89c78990298a1d23>
/System/Library/PrivateFrameworks/AppleMediaServices.framework/AppleMediaServices
0x1a8cc2000 - 0x1a8e3dfff libswiftFoundation.dylib arm64e
<b3a87bce17c73fe1ad8e4f5ac865f27c>
/usr/lib/swift/libswiftFoundation.dylib 0x1a8e3e000 - 0x1a926dfff
libswiftCore.dylib arm64e <bd74e14183993d02bd9d2cab2337e1a0>
/usr/lib/swift/libswiftCore.dylib 0x1a926e000 - 0x1a9284fff
UIKitServices arm64e <4ad58e2b1d973bc38aeaedce472d1cbd>
/System/Library/PrivateFrameworks/UIKitServices.framework/UIKitServices
0x1a9285000 - 0x1a93dcfff Preferences arm64e
<3cd6d9dd89b03d1aa984f3c2ba0228e2>
正如错误消息告诉您的那样；进程启动看门狗违规：耗尽实际(挂钟(时间裕量20.00秒"；。您的应用程序启动时间过长。
从Xcode启动时不会发生这种情况的原因是在这种情况下看门狗被关闭了。但它仍然需要很长时间才能推出，即使是从Xcode！
花费这么长时间的原因是您误解了如何启动。在启动期间不要执行任务(在主线程上(。在启动过程中，你的工作就是让开，让设备启动应用程序并使其运行。在发布期间，对您来说最好的事情是什么都不做。退后。
如果您有耗时的任务要执行，请稍后在后台线程上执行。