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flutter does not like it when you're offline #9393
Description
I had done a git pull --rebase in my flutter checkout but then lost my network connection before using flutter run. This may not affect users as much since flutter upgrade is how they typically would update their copy of flutter.
Building flutter tool...
Downloading package sky_engine...
Oops; flutter has exited unexpectedly.
Sending crash report to Google.
Failed to send crash report due to a network error: SocketException: Failed host lookup: 'clients2.google.com' (OS Error: nodename nor servname provided, or not known, errno = 8)
Crash report written to /src/flutter/examples/stocks/flutter_02.log;
please let us know at https://github.com/flutter/flutter/issues.
flutter_02.log:
command
flutter run
exception
SocketException: SocketException: Failed host lookup: 'storage.googleapis.com' (OS Error: nodename nor servname provided, or not known, errno = 8)
#0 fetchUrl (package:flutter_tools/src/base/net.dart:18)
<asynchronous suspension>
#1 Cache._downloadFileToCache (package:flutter_tools/src/cache.dart:207)
<asynchronous suspension>
#2 FlutterEngine._downloadItem (package:flutter_tools/src/cache.dart:389)
#3 FlutterEngine.download (package:flutter_tools/src/cache.dart:351)
<asynchronous suspension>
#4 Cache.updateAll (package:flutter_tools/src/cache.dart:197)
<asynchronous suspension>
#5 FlutterCommand.verifyThenRunCommand (package:flutter_tools/src/runner/flutter_command.dart:140)
<asynchronous suspension>
#6 RunCommand.verifyThenRunCommand (package:flutter_tools/src/commands/run.dart:205)
<asynchronous suspension>
#7 FlutterCommand.run (package:flutter_tools/src/runner/flutter_command.dart:121)
#8 CommandRunner.runCommand (package:args/command_runner.dart:194)
<asynchronous suspension>
#9 FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:262)
<asynchronous suspension>
#10 CommandRunner.run.<anonymous closure> (package:args/command_runner.dart:109)
#11 Future.Future.sync (dart:async/future.dart:208)
#12 CommandRunner.run (package:args/command_runner.dart:109)
#13 FlutterCommandRunner.run (package:flutter_tools/src/runner/flutter_command_runner.dart:157)
#14 run.<anonymous closure> (package:flutter_tools/executable.dart:140)
<asynchronous suspension>
#15 AppContext._run (package:flutter_tools/src/base/context.dart:76)
<asynchronous suspension>
#16 AppContext.runInZone.<anonymous closure> (package:flutter_tools/src/base/context.dart:66)
#17 _rootRun (dart:async/zone.dart:1120)
#18 _CustomZone.run (dart:async/zone.dart:1001)
#19 runZoned (dart:async/zone.dart:1465)
#20 AppContext.runInZone (package:flutter_tools/src/base/context.dart:65)
#21 run (package:flutter_tools/executable.dart:113)
<asynchronous suspension>
#22 main (package:flutter_tools/executable.dart:66)
<asynchronous suspension>
#23 main (file:///src/flutter/packages/flutter_tools/bin/flutter_tools.dart:8)
#24 _startIsolate.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:263)
#25 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:151)
flutter doctor
[✓] Flutter (on Mac OS X 10.12.4 16E195, channel master)
• Flutter at /src/flutter
• Framework revision 54e3da5d69 (6 months ago), 2016-10-19 16:17:55 -0700
• Engine revision 5c4e20c4c5
• Tools Dart version 1.23.0-dev.11.6
[✓] Host Executable Compatibility
• Downloaded executables execute on host
[✓] Android toolchain - develop for Android devices (Android SDK 25.0.2)
• Android SDK at /Users/eseidel/Library/Android/sdk
• Platform android-25, build-tools 25.0.2
• ANDROID_HOME = /Users/eseidel/Library/Android/sdk
• Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
• Java version: OpenJDK Runtime Environment (build 1.8.0_112-release-b06)
[✓] iOS toolchain - develop for iOS devices (Xcode 8.2.1)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Xcode 8.2.1, Build version 8C1002
• ios-deploy 1.9.1
• CocoaPods version 1.2.0
[✓] Android Studio (version 2.3)
• Android Studio at /Applications/Android Studio.app/Contents
• Gradle version 3.2
• Java version: OpenJDK Runtime Environment (build 1.8.0_112-release-b06)
[✓] IntelliJ IDEA Community Edition (version 2017.1.1)
• Dart plugin version 171.4073.40
• Flutter plugin version 12.1
[✓] Connected devices
• iPhone 6s • FF0E5127-3490-4297-9313-C4776D7950D4 • ios • iOS 10.0 (simulator)
Reacted by Brandon Donnelson, Alex Bitek, xujiyou and Steven Spiel
Activity
branflake2267 commentedon May 21, 2017
I noticed a flutter plugin can not be created when offline.
rock3r commentedon Nov 7, 2017
I was trying to work on the Flutter framework yesterday while flying and I couldn't even run tests offline, even though there should've been a cached version of everything since I had worked on the same code/branch already:
sethladd commentedon Nov 7, 2017
Thanks for the report! It does seem reasonable to include logic that doesn't retry this forever and falls back to locally cached content.
cc @devoncarew @mit-mit
xster commentedon Jan 23, 2018
I got this when trying to run offline when all the dependencies already in my local pub cache. It dumped a 500 line error.
https://gist.github.com/xster/706f427232976e9e791ad12ea638f0c6
We should have a readable error message as a first step.
filiph commentedon Apr 12, 2018
This is something for which we need a workaround or fix for the I/O interactive exhibit.
The workaround doesn't have to be pretty.
mit-mit commentedon Apr 13, 2018
We are planning on doing #15717. Closing his as 15717 should cover it (if not, reactivate explaining why not)
github-actions commentedon Sep 3, 2021
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 -vand a minimal reproduction of the issue.