[Bug report] flutter_image_compress_macos/FlutterImageCompressMacosPlugin.swift:319: Fatal error: Unexpectedly found nil while unwrapping an Optional value #339
Description
Version
2.4.0
Platforms
macOS
Device Model
MacOS 15.6
flutter info
[✓] Flutter (Channel stable, 3.32.8, on macOS 15.6 24G84 darwin-x64, locale fr-FR) [1 027ms]
• Flutter version 3.32.8 on channel stable at /Users/foxtom/Desktop/flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision edada7c56e (5 days ago), 2025-07-25 14:08:03 +0000
• Engine revision ef0cd00091
• Dart version 3.8.1
• DevTools version 2.45.1
[✓] Android toolchain - develop for Android devices (Android SDK version 36.0.0) [5,8s]
• Android SDK at /Users/foxtom/Library/Android/sdk
• Platform android-36, build-tools 36.0.0
• Java binary at: /Applications/Android Studio.app/Contents/jbr/Contents/Home/bin/java
This is the JDK bundled with the latest Android Studio installation on this machine.
To manually set the JDK path, use: `flutter config --jdk-dir="path/to/jdk"`.
• Java version OpenJDK Runtime Environment (build 21.0.6+-13391695-b895.109)
• All Android licenses accepted.
[✓] Xcode - develop for iOS and macOS (Xcode 16.4) [5,9s]
• Xcode at /Applications/Xcode.app/Contents/Developer
• Build 16F6
• CocoaPods version 1.16.2
[✓] Chrome - develop for the web [62ms]
• Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
[✓] Android Studio (version 2025.1) [59ms]
• Android Studio at /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 21.0.6+-13391695-b895.109)
[✓] VS Code (version 1.102.2) [53ms]
• VS Code at /Applications/Visual Studio Code.app/Contents
• Flutter extension can be installed from:
🔨 https://marketplace.visualstudio.com/items?itemName=Dart-Code.flutter
[✓] Connected device (5 available) [8,0s]
• SM A525F (mobile) • 192.168.1.18:45505 • android-arm64 • Android 14 (API 34)
• iPhone de Aude (wireless) (mobile) • 00008140-001170500278801C • ios • iOS 18.5 22F76
• Now You See Me (wireless) (mobile) • 00008020-001204401E78002E • ios • iOS 18.6 22G86
• macOS (desktop) • macos • darwin-x64 • macOS 15.6 24G84 darwin-x64
• Chrome (web) • chrome • web-javascript • Google Chrome 138.0.7204.169
[✓] Network resources [530ms]
• All expected network resources are available.
• No issues found!How to reproduce?
Call the below code in debug mode on macos with valid params.
Logs
Version: 1.0.0 (1)
Code Type: X86-64 (Native)
Parent Process: dart [57264]
Responsible: studio [50013]
User ID: 501
Date/Time: 2025-07-30 17:39:27.8507 +0200
OS Version: macOS 15.6 (24G84)
Report Version: 12
Bridge OS Version: 9.6 (22P6083)
Anonymous UUID: 3A8621C5-8481-BE2C-DF36-91742B459CCB
Sleep/Wake UUID: E3D2AAEC-A1B3-4470-B72B-12EC2CABBE99
Time Awake Since Boot: 26000 seconds
Time Since Wake: 13665 seconds
System Integrity Protection: enabled
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_INSTRUCTION (SIGILL)
Exception Codes: 0x0000000000000001, 0x0000000000000000
Termination Reason: Namespace SIGNAL, Code 4 Illegal instruction: 4
Terminating Process: exc handler [63068]
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libswiftCore.dylib 0x7ff8146790e5 closure #1 in closure #1 in closure #1 in _assertionFailure(_:_:file:line:flags:) + 309
1 libswiftCore.dylib 0x7ff814678ed5 closure #1 in closure #1 in _assertionFailure(_:_:file:line:flags:) + 325
2 libswiftCore.dylib 0x7ff814678d4c closure #1 in _assertionFailure(_:_:file:line:flags:) + 380
3 libswiftCore.dylib 0x7ff814678985 _assertionFailure(_:_:file:line:flags:) + 277
4 flutter_image_compress_macos 0x10ffebfbd closure #1 in Compressor.compressToPath(_:_:) + 301 (FlutterImageCompressMacosPlugin.swift:319)
5 flutter_image_compress_macos 0x10ffebae4 Compressor.compress(destCreator:) + 2020 (FlutterImageCompressMacosPlugin.swift:310)
6 flutter_image_compress_macos 0x10ffebdd3 Compressor.compressToPath(_:_:) + 243 (FlutterImageCompressMacosPlugin.swift:318)
7 flutter_image_compress_macos 0x10ffe8ced FlutterImageCompressMacosPlugin.handle(_:result:) + 1597 (FlutterImageCompressMacosPlugin.swift:154)
8 flutter_image_compress_macos 0x10ffe90c6 @objc FlutterImageCompressMacosPlugin.handle(_:result:) + 118
9 FlutterMacOS 0x117a3e12d __45-[FlutterMethodChannel setMethodCallHandler:]_block_invoke + 173
10 FlutterMacOS 0x116cc84aa -[FlutterEngine engineCallbackOnPlatformMessage:] + 490
11 FlutterMacOS 0x117640815 std::_fl::__function::__func<FlutterEngineInitialize::$_3, std::_fl::allocator<FlutterEngineInitialize::$_3>, void (std::_fl::unique_ptr<flutter::PlatformMessage, std::_fl::default_delete<flutter::PlatformMessage>>)>::operator()(std::_fl::unique_ptr<flutter::PlatformMessage, std::_fl::default_delete<flutter::PlatformMessage>>&&) + 133
12 FlutterMacOS 0x11765466a flutter::PlatformViewEmbedder::HandlePlatformMessage(std::_fl::unique_ptr<flutter::PlatformMessage, std::_fl::default_delete<flutter::PlatformMessage>>) + 74
13 FlutterMacOS 0x117654fc8 std::_fl::__function::__func<fml::internal::CopyableLambda<flutter::PlatformViewEmbedder::EmbedderPlatformMessageHandler::HandlePlatformMessage(std::_fl::unique_ptr<flutter::PlatformMessage, std::_fl::default_delete<flutter::PlatformMessage>>)::'lambda'()>, std::_fl::allocator<fml::internal::CopyableLambda<flutter::PlatformViewEmbedder::EmbedderPlatformMessageHandler::HandlePlatformMessage(std::_fl::unique_ptr<flutter::PlatformMessage, std::_fl::default_delete<flutter::PlatformMessage>>)::'lambda'()>>, void ()>::operator()() + 72
14 FlutterMacOS 0x1176514c1 flutter::EmbedderTaskRunner::PostTask(unsigned long long) + 785
15 FlutterMacOS 0x1176446d9 flutter::EmbedderEngine::RunTask(FlutterTask const*) + 57
16 FlutterMacOS 0x11763829f FlutterEngineRunTask + 63
17 FlutterMacOS 0x116ccb663 __60-[FlutterEngine postMainThreadTask:targetTimeInNanoseconds:]_block_invoke + 67
18 FlutterMacOS 0x116cdc886 -[FlutterRunLoop performExpiredTasks] + 662
19 CoreFoundation 0x7ff80281eab0 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
20 CoreFoundation 0x7ff80281ea52 __CFRunLoopDoSource0 + 157
21 CoreFoundation 0x7ff80281e80d __CFRunLoopDoSources0 + 203
22 CoreFoundation 0x7ff80281d476 __CFRunLoopRun + 973
23 CoreFoundation 0x7ff80281ca72 CFRunLoopRunSpecific + 536
24 HIToolbox 0x7ff80e30e0d4 RunCurrentEventLoopInMode + 281
25 HIToolbox 0x7ff80e310f97 ReceiveNextEventCommon + 499
26 HIToolbox 0x7ff80e49a19a _BlockUntilNextEventMatchingListInModeWithFilter + 63
27 AppKit 0x7ff806281db1 _DPSNextEvent + 912
28 AppKit 0x7ff806d10137 -[NSApplication(NSEventRouting) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1263
29 AppKit 0x7ff806272e99 -[NSApplication run] + 610
30 AppKit 0x7ff806246005 NSApplicationMain + 803
31 myappname.debug.dylib 0x10f04e324 static NSApplicationDelegate.main() + 36
32 myappname.debug.dylib 0x10f04e2f7 static AppDelegate.$main() + 39
33 myappname.debug.dylib 0x10f04e388 __debug_main_executable_dylib_entry_point + 24
34 dyld 0x7ff802390530 start + 3056
And during the debug i have this log before the crash :
flutter_image_compress_macos/FlutterImageCompressMacosPlugin.swift:319: Fatal error: Unexpectedly found nil while unwrapping an Optional valueExample code (optional)
XFile? file = await FlutterImageCompress.compressAndGetFile(photoPath, output, minHeight: minHeight, minWidth: minWidth, quality: quality);Contact
No response