iOS17.3升级后Flutter应用调试崩溃：调试器连接丢失求助

升级iPhone至iOS17.3后，Flutter开发的应用无法在真机正常构建，启动后立即崩溃，Xcode提示Lost connection to the debugger on iPhone错误（错误域IDEDebugSessionErrorDomain，代码22）。应用在安卓设备及TestFlight下载版本均能正常运行。

完整错误信息：

Lost connection to the debugger on “iPhone”.
Domain: IDEDebugSessionErrorDomain
Code: 22
Recovery Suggestion: Restore the connection to “iPhone” and run “Runner” again, or if “Runner” is still running, you can attach to it by selecting Debug > Attach to Process > Runner.
User Info: {
    DVTErrorCreationDateKey = "2024-01-25 11:14:48 +0000";
    IDERunOperationFailingWorker = DBGLLDBLauncher;
}
--

Event Metadata: com.apple.dt.IDERunOperationWorkerFinished : {
    "device_isCoreDevice" = 1;
    "device_model" = "iPhone11,8";
    "device_osBuild" = "17.3 (21D50)";
    "device_platform" = "com.apple.platform.iphoneos";
    "dvt_coredevice_version" = "355.7.7";
    "dvt_mobiledevice_version" = "1643.60.2";
    "launchSession_schemeCommand" = Run;
    "launchSession_state" = 2;
    "launchSession_targetArch" = arm64;
    "operation_duration_ms" = 62043;
    "operation_errorCode" = 22;
    "operation_errorDomain" = IDEDebugSessionErrorDomain;
    "operation_errorWorker" = DBGLLDBLauncher;
    "operation_name" = IDERunOperationWorkerGroup;
    "param_debugger_attachToExtensions" = 0;
    "param_debugger_attachToXPC" = 1;
    "param_debugger_type" = 3;
    "param_destination_isProxy" = 0;
    "param_destination_platform" = "com.apple.platform.iphoneos";
    "param_diag_MainThreadChecker_stopOnIssue" = 0;
    "param_diag_MallocStackLogging_enableDuringAttach" = 0;
    "param_diag_MallocStackLogging_enableForXPC" = 1;
    "param_diag_allowLocationSimulation" = 1;
    "param_diag_checker_tpc_enable" = 1;
    "param_diag_gpu_frameCapture_enable" = 0;
    "param_diag_gpu_shaderValidation_enable" = 0;
    "param_diag_gpu_validation_enable" = 0;
    "param_diag_memoryGraphOnResourceException" = 0;
    "param_diag_queueDebugging_enable" = 1;
    "param_diag_runtimeProfile_generate" = 0;
    "param_diag_sanitizer_asan_enable" = 0;
    "param_diag_sanitizer_tsan_enable" = 0;
    "param_diag_sanitizer_tsan_stopOnIssue" = 0;
    "param_diag_sanitizer_ubsan_stopOnIssue" = 0;
    "param_diag_showNonLocalizedStrings" = 0;
    "param_diag_viewDebugging_enabled" = 1;
    "param_diag_viewDebugging_insertDylibOnLaunch" = 1;
    "param_install_style" = 0;
    "param_launcher_UID" = 2;
    "param_launcher_allowDeviceSensorReplayData" = 0;
    "param_launcher_kind" = 0;
    "param_launcher_style" = 99;
    "param_launcher_substyle" = 8192;
    "param_runnable_appExtensionHostRunMode" = 0;
    "param_runnable_productType" = "com.apple.product-type.application";
    "param_structuredConsoleMode" = 1;
    "param_testing_launchedForTesting" = 0;
    "param_testing_suppressSimulatorApp" = 0;
    "param_testing_usingCLI" = 0;
    "sdk_canonicalName" = "iphoneos17.2";
    "sdk_osVersion" = "17.2";
    "sdk_variant" = iphoneos;
}
--


System Information

macOS Version 14.3 (Build 23D56)
Xcode 15.2 (22503) (Build 15C500b)
Timestamp: 2024-01-25T12:14:48+01:00

已尝试的操作：

• 更新Mac系统
• 重置iPhone
• 多次删除重装应用
• 清理Xcode的DerivedData文件
• 重装Xcode

其他用户反馈及解决方案 #

确实有不少Flutter开发者在升级iOS17.3后遇到相同问题，以下是社区验证有效的解决方法：

• 升级Flutter SDK到最新稳定版：iOS17.3的调试协议变化可能与旧版Flutter存在兼容性问题，执行flutter upgrade升级后多数用户问题解决。
• 修改Xcode调试设置：打开Product > Scheme > Edit Scheme，切换到Run > Info，将Debugger从LLDB改为GDB；或取消勾选Debug executable，启动应用后通过Debug > Attach to Process > Runner手动附加调试器。
• 禁用View Debugging：在Edit Scheme > Run > Diagnostics中取消勾选View Debugging选项，日志显示该功能当前处于启用状态，可能引发兼容性问题。
• 使用Flutter命令行构建：执行flutter run --release测试发布版是否能正常启动，或用flutter run -v查看详细日志定位具体崩溃原因。
• 检查签名配置：确认Xcode项目的开发者证书、Provisioning Profile有效，且iPhone已信任该开发者证书（路径：设置 > 通用 > VPN与设备管理）。

内容的提问来源于stack exchange，提问作者Imit