我正在制作一个使用GCM，后台任务和钥匙串来保存用户信息的应用程序。我使用我的开发认证发布了一个版本，方法是将设备UDID添加到Apple开发人员帐户。但是几天后，我从用户那里得到反馈，每次启动时都会崩溃。我查看了代码，但找不到这些错误。我得到了这个日志:
Nov 23 16:34:51 iPhone securityd[9174] <Error>: secTaskDiagnoseEntitlements MISSING keychain entitlements: no stored taskRef found
Nov 23 16:34:51 iPhone securityd[9174] <Error>: secTaskDiagnoseEntitlements MISSING keychain entitlements: no stored taskRef found
Nov 23 16:34:51 iPhone amfid[10315] <Error>: SecTrustEvaluate [leaf IssuerCommonName SubjectCommonName]
Nov 23 16:34:51 iPhone securityd[9174] <Error>: secTaskDiagnoseEntitlements MISSING keychain entitlements: no stored taskRef found
Nov 23 16:34:51 iPhone securityd[9174] <Error>: secTaskDiagnoseEntitlements MISSING keychain entitlements: no stored taskRef found
Nov 23 16:34:51 iPhone amfid[10315] <Error>: SecTrustEvaluate [leaf Revocation1]
Nov 23 16:34:51 iPhone amfid[10315] <Notice>: developer cert trust result = 5
Nov 23 16:34:51 iPhone amfid[10315] <Error>: /private/var/mobile/Containers/Bundle/Application/446DE89C-A427-4A51-AEA9-7AC86DFD088A/App.app/App not valid: 0xe8008018: The identity used to sign the executable is no longer valid.
Nov 23 16:34:51 iPhone com.apple.xpc.launchd[1] (UIKitApplication:com.xxxxx.App[0xb005][10966]) <Notice>: Service exited due to signal: Killed: 9
Nov 23 16:34:51 iPhone assertiond[9148] <Warning>: Unable to obtain a task name port right for pid 10966: (os/kern) failure (5)
Nov 23 16:34:51 iPhone SpringBoard[9139] <Warning>: Unable to register for exec notifications: No such process
Nov 23 16:34:51 iPhone SpringBoard[9139] <Warning>: Unable to obtain a task name port right for pid 10966: (os/kern) failure (5)
Nov 23 16:34:51 iPhone SpringBoard[9139] <Warning>: Unable to obtain a task name port right for <FBApplicationProcess: 0x1425836d0; com.xxxx.App; pid: 10966>
Nov 23 16:34:51 iPhone SpringBoard[9139] <Warning>: Application 'UIKitApplication:com.xxxxx.App[0xb005]' exited abnormally via signal.
Nov 23 16:34:51 iPhone SpringBoard[9139] <Error>: CGContextSaveGState: invalid context 0x0. If you want to see the backtrace, please set CG_CONTEXT_SHOW_BACKTRACE environmental variable.
Nov 23 16:34:51 iPhone SpringBoard[9139] <Error>: CGContextTranslateCTM: invalid context 0x0. If you want to see the backtrace, please set CG_CONTEXT_SHOW_BACKTRACE environmental variable.
Nov 23 16:34:51 iPhone SpringBoard[9139] <Error>: CGContextRestoreGState: invalid context 0x0. If you want to see the backtrace, please set CG_CONTEXT_SHOW_BACKTRACE environmental variable.
Nov 23 16:34:51 iPhone SpringBoard[9139] <Error>: CGContextSaveGState: invalid context 0x0. If you want to see the backtrace, please set CG_CONTEXT_SHOW_BACKTRACE environmental variable.
Nov 23 16:34:51 iPhone SpringBoard[9139] <Error>: CGContextTranslateCTM: invalid context 0x0. If you want to see the backtrace, please set CG_CONTEXT_SHOW_BACKTRACE environmental variable.
Nov 23 16:34:51 iPhone SpringBoard[9139] <Error>: CGContextRestoreGState: invalid context 0x0. If you want to see the backtrace, please set CG_CONTEXT_SHOW_BACKTRACE environmental variable.
Nov 23 16:34:51 iPhone SpringBoard[9139] <Warning>: Application '(null)' exited for an unknown reason.
请帮我解决一下这个。谢谢你们。我经常吊销和创建新的证书和置备配置文件，并用于对其进行编程。可以吗
最佳答案
尽管堆栈不是很清楚，但是可以将崩溃范围缩小到几件事。