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`flutter has exited unexpectedly` when the debugging target is iOS #20691

Closed hariprasadiit closed 6 years ago

hariprasadiit commented 6 years ago

here are the details.

same setup works fine with android.

on iOS app launches fine but, flutter exists with below error and loses connection with the target.

command

flutter run --debug

exception

ArgumentError: Invalid argument(s): Cannot find executable for null.

#0      _getExecutable (package:process/src/interface/local_process_manager.dart:113)
#1      LocalProcessManager.start (package:process/src/interface/local_process_manager.dart:41)
#2      runCommand (package:flutter_tools/src/base/process.dart:115)
#3      _IOSDevicePortForwarder.forward (package:flutter_tools/src/ios/devices.dart:518)
<asynchronous suspension>
#4      ProtocolDiscovery._forwardPort (package:flutter_tools/src/protocol_discovery.dart:93)
<asynchronous suspension>
#5      ProtocolDiscovery._handleLine (package:flutter_tools/src/protocol_discovery.dart:82)
#6      _rootRunUnary (dart:async/zone.dart:1134)
#7      _CustomZone.runUnary (dart:async/zone.dart:1031)
#8      _CustomZone.runUnaryGuarded (dart:async/zone.dart:933)
#9      _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:330)
#10     _DelayedData.perform (dart:async/stream_impl.dart:578)
#11     _StreamImplEvents.handleNext (dart:async/stream_impl.dart:694)
#12     _PendingEvents.schedule.<anonymous closure> (dart:async/stream_impl.dart:654)
#13     _rootRun (dart:async/zone.dart:1126)
#14     _CustomZone.run (dart:async/zone.dart:1023)
#15     _CustomZone.bindCallback.<anonymous closure> (dart:async/zone.dart:949)
#16     _microtaskLoop (dart:async/schedule_microtask.dart:41)
#17     _startMicrotaskLoop (dart:async/schedule_microtask.dart:50)
#18     _runPendingImmediateCallback (dart:isolate-patch/dart:isolate/isolate_patch.dart:113)
#19     _RawReceivePortImpl._handleMessage (dart:isolate-patch/dart:isolate/isolate_patch.dart:166)

flutter doctor

[✓] Flutter (Channel beta, v0.5.1, on Mac OS X 10.13.2 17C88, locale en-IN)
    • Flutter version 0.5.1 at /Users/hari/development/flutter
    • Framework revision c7ea3ca377 (3 months ago), 2018-05-29 21:07:33 +0200
    • Engine revision 1ed25ca7b7
    • Dart version 2.0.0-dev.58.0.flutter-f981f09760

[✓] Android toolchain - develop for Android devices (Android SDK 27.0.3)
    • Android SDK at /Users/hari/Library/Android/sdk
    • Android NDK location not configured (optional; useful for native profiling support)
    • Platform android-27, build-tools 27.0.3
    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1024-b01)
    • All Android licenses accepted.

[✓] iOS toolchain - develop for iOS devices (Xcode 9.4.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 9.4.1, Build version 9F2000
    • ios-deploy 1.9.2
    • CocoaPods version 1.5.3

[✓] Android Studio (version 3.1)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin version 27.1.1
    • Dart plugin version 173.4700
    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1024-b01)

[!] VS Code (version 1.26.0)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension not installed; install from
      https://marketplace.visualstudio.com/items?itemName=Dart-Code.flutter

[✓] Connected devices (1 available)
    • iPad • 4474fd3c94589784543185ceefc47173d59e2b5f • ios • iOS 9.3.5

! Doctor found issues in 1 category.
hariprasadiit commented 6 years ago

same problem even with recent dev channel

exception

ArgumentError: Invalid argument(s): Cannot find executable for null.

#0      _getExecutable (package:process/src/interface/local_process_manager.dart:113:5)
#1      LocalProcessManager.start (package:process/src/interface/local_process_manager.dart:41:7)
#2      runCommand (package:flutter_tools/src/base/process.dart:115:25)
#3      _IOSDevicePortForwarder.forward (package:flutter_tools/src/ios/devices.dart:547:23)
<asynchronous suspension>
#4      ProtocolDiscovery._forwardPort (package:flutter_tools/src/protocol_discovery.dart:89:54)
<asynchronous suspension>
#5      ProtocolDiscovery._handleLine (package:flutter_tools/src/protocol_discovery.dart:78:27)
#6      _rootRunUnary (dart:async/zone.dart:1132:38)
#7      _CustomZone.runUnary (dart:async/zone.dart:1029:19)
#8      _CustomZone.runUnaryGuarded (dart:async/zone.dart:931:7)
#9      _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:336:11)
#10     _DelayedData.perform (dart:async/stream_impl.dart:584:14)
#11     _StreamImplEvents.handleNext (dart:async/stream_impl.dart:700:11)
#12     _PendingEvents.schedule.<anonymous closure> (dart:async/stream_impl.dart:660:7)
#13     _rootRun (dart:async/zone.dart:1124:13)
#14     _CustomZone.run (dart:async/zone.dart:1021:19)
#15     _CustomZone.bindCallback.<anonymous closure> (dart:async/zone.dart:947:23)
#16     _microtaskLoop (dart:async/schedule_microtask.dart:41:21)
#17     _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)
#18     _runPendingImmediateCallback (dart:isolate/runtime/libisolate_patch.dart:114:13)
#19     _RawReceivePortImpl._handleMessage (dart:isolate/runtime/libisolate_patch.dart:170:5)

flutter doctor

[✓] Flutter (Channel dev, v0.5.8, on Mac OS X 10.13.2 17C88, locale en-IN)
    • Flutter version 0.5.8 at /Users/hari/development/flutter
    • Framework revision e4b989bf3d (7 days ago), 2018-08-09 09:45:44 -0700
    • Engine revision 3777931801
    • Dart version 2.0.0-dev.69.5.flutter-eab492385c

[✓] Android toolchain - develop for Android devices (Android SDK 27.0.3)
    • Android SDK at /Users/hari/Library/Android/sdk
    • Android NDK location not configured (optional; useful for native profiling support)
    • Platform android-27, build-tools 27.0.3
    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1024-b01)
    • All Android licenses accepted.

[✓] iOS toolchain - develop for iOS devices (Xcode 9.4.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 9.4.1, Build version 9F2000
    • ios-deploy 1.9.2
    • CocoaPods version 1.5.3

[✓] Android Studio (version 3.1)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin version 27.1.1
    • Dart plugin version 173.4700
    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1024-b01)

[✓] VS Code (version 1.26.0)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 2.17.1

[✓] Connected devices (1 available)
    • iPad • 4474fd3c94589784543185ceefc47173d59e2b5f • ios • iOS 9.3.5

• No issues found!
DanTup commented 6 years ago

It looks like iproxy may be missing. What happens if you run iproxy and which iproxy from the terminal?

I think iproxy is supposed to come from libimobiledevice which you probably installs with brew. Can you post the output of brew list?

hariprasadiit commented 6 years ago

@DanTup indeed it was iproxy issue. it doesn't seem to come from libimobiledevice now. i tried reinstalling multiple times. using locate i found it installed in /usr/local/Cellar/usbmuxd/1.0.10_1/bin/iproxy. for some odd reason, brew didn't symlink it. after symlink the issue has been resolved.

thanks for the help.

DanTup commented 6 years ago

Ah, I wasn't sure exactly where it came from but I found other issues suggesting it was libimobiledevice.

Glad it's sorted. If this turns out not to be a one off (if you're reading this and have the same issue - please add a comment!) we may want to reopen and investigate.

Atteprojects commented 5 years ago

I am having this issue as well. how do I symlink it?[ if the solution above worked]

Atteprojects commented 5 years ago

this is my output for 'brew list'

autoconf gettext libidn2 libtasn1 libusb openssl python@2 usbmuxd automake ideviceinstaller libimobiledevice libtool libxml2 pkg-config readline wget gdbm ios-deploy libplist libunistring libzip python sqlite xz

thosakwe commented 5 years ago

What fixed it for me was brew link libimobiledevice.

github-actions[bot] commented 3 years ago

This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.