Descriptive log on Flutter build when FLUTTER_BUILD_DIR environment variable isn't configured. #140845
Description
Steps to reproduce
- Install
flutterusinggit. - Use the
3.16stable version. - Go to your Flutter project.
- Run
flutter build.
Expected results
Inform to us using flutter doctor or a simple log that we haven't configured the FLUTTER_BUILD_DIR environment variable.
Actual results
An error is throw because we don't have an environment variabl called FLUTTER_BUILD_DIR defined.
Null check operator used on a null value
#0 Context.embedFlutterFrameworks (file:///Users/felipebonezi/flutter/packages/flutter_tools/bin/xcode_backend.dart:235:68)
#1 Context.run (file:///Users/felipebonezi/flutter/packages/flutter_tools/bin/xcode_backend.dart:59:9)
#2 main (file:///Users/felipebonezi/flutter/packages/flutter_tools/bin/xcode_backend.dart:17:5)
#3 _delayEntrypointInvocation.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:295:33)
#4 _RawReceivePort._handleMessage (dart:isolate-patch/isolate_patch.dart:184:12)Code sample
Code sample
Any flutter project.
Screenshots or Video
Screenshots / Video demonstration
Logs
Logs
Unhandled exception:
Null check operator used on a null value
#0 Context.embedFlutterFrameworks (file:///Users/felipebonezi/flutter/packages/flutter_tools/bin/xcode_backend.dart:235:68)
#1 Context.run (file:///Users/felipebonezi/flutter/packages/flutter_tools/bin/xcode_backend.dart:59:9)
#2 main (file:///Users/felipebonezi/flutter/packages/flutter_tools/bin/xcode_backend.dart:17:5)
#3 _delayEntrypointInvocation.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:295:33)
#4 _RawReceivePort._handleMessage (dart:isolate-patch/isolate_patch.dart:184:12)
Command PhaseScriptExecution failed with a nonzero exit codeFlutter Doctor output
Doctor output
[✓] Flutter (Channel stable, 3.16.5, on macOS 14.1.2 23B92 darwin-arm64, locale en-BR)
• Flutter version 3.16.5 on channel stable at /Users/felipebonezi/flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision 78666c8dc5 (2 weeks ago), 2023-12-19 16:14:14 -0800
• Engine revision 3f3e560236
• Dart version 3.2.3
• DevTools version 2.28.4
• Pub download mirror https://pub.flutter-io.cn
• Flutter download mirror https://storage.flutter-io.cn
[✓] Android toolchain - develop for Android devices (Android SDK version 34.0.0)
• Android SDK at /Users/felipebonezi/Library/Android/sdk
• Platform android-34, build-tools 34.0.0
• ANDROID_HOME = /Users/felipebonezi/Library/Android/sdk
• Java binary at: /Users/felipebonezi/Applications/Android Studio.app/Contents/jbr/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 17.0.7+0-17.0.7b1000.6-10550314)
• All Android licenses accepted.
[✓] Xcode - develop for iOS and macOS (Xcode 15.1)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Build 15C65
• CocoaPods version 1.14.3
[✓] Chrome - develop for the web
• Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
[✓] Android Studio (version 2023.1)
• Android Studio at /Users/felipebonezi/Applications/Android Studio.app/Contents
• Flutter plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 17.0.7+0-17.0.7b1000.6-10550314)
[✓] IntelliJ IDEA Ultimate Edition (version 2023.3.1)
• IntelliJ at /Users/felipebonezi/Applications/IntelliJ IDEA Ultimate.app
• Flutter plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/6351-dart
[✓] VS Code (version 1.85.1)
• VS Code at /Applications/Visual Studio Code.app/Contents
• Flutter extension version 3.42.0
[✓] Connected device (4 available)
• iPhone de FB (mobile) • XXXXX-XXXXXX • ios • iOS 17.2.1 21C66
• iPhone 15 Pro Max (mobile) • XXXXX-XXXXXX. • ios • com.apple.CoreSimulator.SimRuntime.iOS-17-0 (simulator)
• macOS (desktop) • macos • darwin-arm64 • macOS 14.1.2 23B92 darwin-arm64
• Chrome (web) • chrome • web-javascript • Google Chrome 120.0.6099.129
[✓] Network resources
• All expected network resources are available.
• No issues found!