iPhone 应用程序在启动时退出，没有崩溃日志
我的应用程序在通过 Xcode 启动时在 3.0 设备和 3.1 设备上运行良好，但在通过 iTunes 安装时在 3.1 设备上运行时启动时崩溃。它没有留下任何崩溃日志，而是将其放入控制台：
Thu Oct 1 19:33:36 unknown mobile_installationd[329] <Error>: 00808e00 install_embedded_profile: Skipping the installation of the embedded profile
Thu Oct 1 19:33:37 unknown SpringBoard[24] <Warning>: Reloading and rendering all application icons.
Thu Oct 1 19:33:41 unknown com.apple.debugserver-43[342] <Warning>: debugserver-43 for armv6 Copyright (c) 2007-2009 Apple, Inc. All Rights Reserved.
Thu Oct 1 19:33:41 unknown com.apple.debugserver-43[342] <Warning>: Connecting to com.apple.debugserver service...
Thu Oct 1 19:33:41 unknown com.apple.launchd[1] <Warning>: (UIKitApplication:com.companyname.AppName[0x60c]) Spawned and waiting for the debugger to attach before continuing...
Thu Oct 1 19:33:42 unknown kernel[0] <Debug>: launchd[343] Builtin profile: container (seatbelt)
Thu Oct 1 19:33:42 unknown kernel[0] <Debug>: launchd[343] Container: /private/var/mobile/Applications/291BFBE4-F5DC-494D-B7E5-81BED01E508B (seatbelt)
Thu Oct 1 19:33:42 unknown com.apple.debugserver-43[342] <Warning>: 1 [0156/0903]: error: ::task_for_pid ( target_tport = 0x0103, pid = 343, task => 0x0000 ) 0x000001f5/0x000001f5 0x000001f5/0x000001f5 err = (os/kern) failure (0x00000005)
Thu Oct 1 19:33:42 unknown com.apple.debugserver-43[342] <Error>: error: MachTask::StartExceptionThread (): task invalid, exception thread start failed.
Thu Oct 1 19:33:42 unknown com.apple.debugserver-43[342] <Warning>: 2 [0156/0903]: error: ::task_for_pid ( target_tport = 0x0103, pid = 343, task => 0x0000 ) 0x000001f5/0x000001f5 0x000001f5/0x000001f5 err = (os/kern) failure (0x00000005)
Thu Oct 1 19:33:42 unknown com.apple.debugserver-43[342] <Warning>: 3 [0156/0903]: RNBRunLoopLaunchInferior DNBProcessLaunch() returned error: 'DRHT'
Thu Oct 1 19:33:42 unknown com.apple.debugserver-43[342] <Warning>: error: failed to launch process (null): failed to get the task for process 343
Thu Oct 1 19:33:42 unknown com.apple.debugserver-43[342] <Warning>: 4 [0156/1603]: error: ::read ( 7, 0x28091c, 1024 ) => -1 err = Bad file descriptor (0x00000009)
Thu Oct 1 19:33:42 unknown com.apple.launchd[1] <Notice>: (UIKitApplication:com.companyname.AppName[0x60c]) Bug: launchd_core_logic.c:2649 (23909):10
Thu Oct 1 19:33:42 unknown com.apple.launchd[1] <Notice>: (UIKitApplication:com.companyname.AppName[0x60c]) Working around 5020256. Assuming the job crashed.
Thu Oct 1 19:33:42 unknown com.apple.launchd[1] <Warning>: (UIKitApplication:com.companyname.AppName[0x60c]) Job appears to have crashed: Segmentation fault
Thu Oct 1 19:33:42 unknown com.apple.launchd[1] <Warning>: (UIKitApplication:com.companyname.AppName[0x60c]) Throttling respawn: Will start in 2147483647 seconds
Thu Oct 1 19:33:42 unknown SpringBoard[24] <Warning>: Application 'AppName' exited abnormally with signal 11: Segmentation fault
Thu Oct 1 19:34:42 unknown SpringBoard[24] <Notice>: MultitouchHID(208ba0) uilock state: 0 -> 1
应用程序有一个 Default.png 文件，并且显示了一会儿，但我认为它可能由 SpringBoard/launchd/whatnot 加载，所以我不认为这表明我实际上曾经跑步过。
我在同一个盒子上创建了第二个项目，并使用相同的凭据和证书来构建它，它可以毫无问题地通过 iTunes 构建和运行。
My application runs fine on 3.0 devices and on 3.1 devices when launched via Xcode, but crashes on startup when run on a 3.1 device when installed via iTunes. It leaves no crash log behind, but puts this into the console:
Thu Oct 1 19:33:36 unknown mobile_installationd[329] <Error>: 00808e00 install_embedded_profile: Skipping the installation of the embedded profile
Thu Oct 1 19:33:37 unknown SpringBoard[24] <Warning>: Reloading and rendering all application icons.
Thu Oct 1 19:33:41 unknown com.apple.debugserver-43[342] <Warning>: debugserver-43 for armv6 Copyright (c) 2007-2009 Apple, Inc. All Rights Reserved.
Thu Oct 1 19:33:41 unknown com.apple.debugserver-43[342] <Warning>: Connecting to com.apple.debugserver service...
Thu Oct 1 19:33:41 unknown com.apple.launchd[1] <Warning>: (UIKitApplication:com.companyname.AppName[0x60c]) Spawned and waiting for the debugger to attach before continuing...
Thu Oct 1 19:33:42 unknown kernel[0] <Debug>: launchd[343] Builtin profile: container (seatbelt)
Thu Oct 1 19:33:42 unknown kernel[0] <Debug>: launchd[343] Container: /private/var/mobile/Applications/291BFBE4-F5DC-494D-B7E5-81BED01E508B (seatbelt)
Thu Oct 1 19:33:42 unknown com.apple.debugserver-43[342] <Warning>: 1 [0156/0903]: error: ::task_for_pid ( target_tport = 0x0103, pid = 343, task => 0x0000 ) 0x000001f5/0x000001f5 0x000001f5/0x000001f5 err = (os/kern) failure (0x00000005)
Thu Oct 1 19:33:42 unknown com.apple.debugserver-43[342] <Error>: error: MachTask::StartExceptionThread (): task invalid, exception thread start failed.
Thu Oct 1 19:33:42 unknown com.apple.debugserver-43[342] <Warning>: 2 [0156/0903]: error: ::task_for_pid ( target_tport = 0x0103, pid = 343, task => 0x0000 ) 0x000001f5/0x000001f5 0x000001f5/0x000001f5 err = (os/kern) failure (0x00000005)
Thu Oct 1 19:33:42 unknown com.apple.debugserver-43[342] <Warning>: 3 [0156/0903]: RNBRunLoopLaunchInferior DNBProcessLaunch() returned error: 'DRHT'
Thu Oct 1 19:33:42 unknown com.apple.debugserver-43[342] <Warning>: error: failed to launch process (null): failed to get the task for process 343
Thu Oct 1 19:33:42 unknown com.apple.debugserver-43[342] <Warning>: 4 [0156/1603]: error: ::read ( 7, 0x28091c, 1024 ) => -1 err = Bad file descriptor (0x00000009)
Thu Oct 1 19:33:42 unknown com.apple.launchd[1] <Notice>: (UIKitApplication:com.companyname.AppName[0x60c]) Bug: launchd_core_logic.c:2649 (23909):10
Thu Oct 1 19:33:42 unknown com.apple.launchd[1] <Notice>: (UIKitApplication:com.companyname.AppName[0x60c]) Working around 5020256. Assuming the job crashed.
Thu Oct 1 19:33:42 unknown com.apple.launchd[1] <Warning>: (UIKitApplication:com.companyname.AppName[0x60c]) Job appears to have crashed: Segmentation fault
Thu Oct 1 19:33:42 unknown com.apple.launchd[1] <Warning>: (UIKitApplication:com.companyname.AppName[0x60c]) Throttling respawn: Will start in 2147483647 seconds
Thu Oct 1 19:33:42 unknown SpringBoard[24] <Warning>: Application 'AppName' exited abnormally with signal 11: Segmentation fault
Thu Oct 1 19:34:42 unknown SpringBoard[24] <Notice>: MultitouchHID(208ba0) uilock state: 0 -> 1
The application has a Default.png file, and that shows for a moment, but I think that may be loaded by SpringBoard/launchd/whatnot, so I don't think that's a sign that I'm actually ever running.
I created a second project on the same box and used the same credentials and certificates to build it, and it builds and runs through iTunes without a problem.
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我将构建作为原始
.app文件放在 Dropbox 上，尽管codesign -vvvv AppName.app在我的 Dropbox 端的副本上工作，但它显然当它到达测试仪时不知何故发生了变化。认证失败，应用程序拒绝启动。这篇博文有助于发现这就是原因，并且这个对于发现解决方案很有帮助（ 使用
zip MyApp.zip -r -y MyApp.app< 压缩应用/代码>）。I was putting the build as a raw
.appfile on Dropbox, and even thoughcodesign -vvvv AppName.appworked on the copy on my side of the Dropbox, it apparently got changed somehow by the time it had reached the tester. The certification failed, and the application refused to launch.This blog post was instrumental in discovering that this was the cause, and this one was instrumental in discovering the solution (zipping the app up using
zip MyApp.zip -r -y MyApp.app).尝试通过注释掉加载时运行的代码来隔离问题，并查看您的应用程序是否至少正在加载其主窗口。然后，逐渐取消注释代码，并使用 NSLog 语句来记录初始化变量的值（使用调试器使您的问题不会发生，所以我猜 NSLog 是可以的）。如果您发现您的应用程序因花费太多时间预先加载所有内容而崩溃，请尝试通过启动专用后台初始化来避免主线程进行繁重的初始化。
Try to isolate the problem by commenting out the code you run at loading, and see if your app is loading at least its main window. Then, gradually uncomment code, and use NSLog statements to log the values of your initialized variables (using the debugger makes your problem not occur, so I guess NSLog is ok). Try to keep heavy initialization off the main thread, by launching a dedicated background one, if you see that your app crashes by taking too much time to load everything upfront.