执行flutter run在实体iPhone运行时遇iOS构建失败求助

问题重现 #

执行flutter run将Flutter应用部署到实体iPhone时，出现以下报错：

Automatically signing iOS for device deployment using specified development team in Xcode project: U82S29GYHT
Xcode build failed due to concurrent builds, will retry in 2 seconds.
Running Xcode build...                                                   
Xcode build done.                                           113.8s
Failed to build iOS app
Could not build the precompiled application for the device.
Error output from Xcode build:
↳
    2023-08-08 21:56:45.845 xcodebuild[60532:459242] Requested but did not find extension point with identifier
    Xcode.IDEFoundation.IDEResultKitSerializationConverter
    xcodebuild: error: Existing file at -resultBundlePath
    "/var/folders/qc/r59z7mgx0v18zk6397764cz00000gn/T/flutter_tools.JRawz4/flutter_ios_build_temp_dir5qvG7L/temporary_xc
    result_bundle.xcresult"

解决方案 #

• 清理项目构建缓存

  1. 终端进入项目根目录，执行：flutter clean
  2. 进入iOS子目录：cd ios，执行：pod deintegrate && pod install

• 删除Xcode临时构建文件

  1. 直接删除报错中指定的已存在文件：

     rm -rf "/var/folders/qc/r59z7mgx0v18zk6397764cz00000gn/T/flutter_tools.JRawz4/flutter_ios_build_temp_dir5qvG7L/temporary_xcresult_bundle.xcresult"
     

  2. 或者清理Xcode的Derived Data：打开Xcode → Xcode > Settings > Locations，点击Derived Data路径旁的箭头，删除文件夹内所有内容

• 终止残留进程并重启构建

  1. 关闭Xcode和当前终端窗口
  2. 执行命令杀掉所有xcodebuild进程：killall xcodebuild
  3. 重新打开终端，进入项目目录执行flutter run

• 检查版本兼容性

  1. 升级Flutter到稳定版：flutter channel stable && flutter upgrade
  2. 确保Xcode版本与当前Flutter版本兼容（可通过flutter doctor检查版本匹配情况）

原因说明 #

这个错误主要是前一次构建中断后，Flutter生成的临时构建结果文件未被自动清理，导致后续Xcode构建时无法创建同名文件；而IDEResultKitSerializationConverter的警告多为Xcode与Flutter工具链的小版本兼容问题，清理缓存和临时文件后通常会自动消失。

内容的提问来源于stack exchange，提问作者Winston T.