Error connecting to the service protocol: WebSocketChannelException: WebSocketChannelException: HttpException: , uri = http://<IP_ADDRESS>:8106/ws

Steps to Reproduce
This error is happening for me on every app I run on my physical device. The app builds and starts running, but then loses the connection between the console and the phone.
Logs
These logs are from the flutter_gallery app:
[ +203 ms] Error connecting to the service protocol: WebSocketChannelException: WebSocketChannelException: HttpException: , uri = http://<IP_ADDRESS>:8106/ws
[   +3 ms] "flutter run" took 87,076ms.

#0      throwToolExit (package:flutter_tools/src/base/common.dart:28)
#1      RunCommand.runCommand (package:flutter_tools/src/commands/run.dart:341)
<asynchronous suspension>
#2      FlutterCommand.verifyThenRunCommand (package:flutter_tools/src/runner/flutter_command.dart:256)
<asynchronous suspension>
#3      FlutterCommand.run (package:flutter_tools/src/runner/flutter_command.dart:196)
<asynchronous suspension>
#4      CommandRunner.runCommand (package:args/command_runner.dart:194)
<asynchronous suspension>
#5      FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:279)
<asynchronous suspension>
#6      CommandRunner.run.<anonymous closure> (package:args/command_runner.dart:109)
#7      new Future.sync (dart:async/future.dart:222)
#8      CommandRunner.run (package:args/command_runner.dart:109)
#9      FlutterCommandRunner.run (package:flutter_tools/src/runner/flutter_command_runner.dart:162)
#10     run.<anonymous closure> (package:flutter_tools/runner.dart:89)
<asynchronous suspension>
#11     AppContext._run (package:flutter_tools/src/base/context.dart:76)
<asynchronous suspension>
#12     AppContext.runInZone.<anonymous closure> (package:flutter_tools/src/base/context.dart:66)
#13     _rootRun (dart:async/zone.dart:1120)
#14     _CustomZone.run (dart:async/zone.dart:1001)
#15     runZoned (dart:async/zone.dart:1467)
#16     AppContext.runInZone (package:flutter_tools/src/base/context.dart:65)
#17     run (package:flutter_tools/runner.dart:60)
<asynchronous suspension>
#18     main (package:flutter_tools/executable.dart:44)
<asynchronous suspension>
#19     main (file:///Users/frederickcook/flutter/packages/flutter_tools/bin/flutter_tools.dart:16)
#20     _startIsolate.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:263)
#21     _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:151)

[ +171 ms] ensureAnalyticsSent: 155ms
[   +5 ms] Invalid VMService message data detected: {jsonrpc: 2.0, method: _registerService, params: {service: reloadSources, alias: Flutter Tools}}

Full build log: https://firebasestorage.googleapis.com/v0/b/messaging-testing.appspot.com/o/bugreport.zip?alt=media&token=c45d116d-6a32-464d-b4a8-5e5b0a73a150
Flutter Doctor
Frederick-Cook-Air% flutter doctor

[✓] Flutter (on Mac OS X 10.13.2 17C88, locale en-US, channel master)
    • Flutter at /Users/frederickcook/flutter
    • Framework revision 370c73d9bc (2 hours ago), 2017-12-21 15:02:35 -0800
    • Engine revision 00e9b362d5
    • Tools Dart version 1.25.0-dev.11.0
    • Engine Dart version 2.0.0-edge.075720c352685b6c4fbfa3b6300b270714562f62

[✓] Android toolchain - develop for Android devices (Android SDK 26.0.0)
    • Android SDK at /Users/frederickcook/Library/Android/sdk
    • Android NDK location not configured (optional; useful for native profiling support)
    • Platform android-26, build-tools 26.0.0
    • 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 9.2)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 9.2, Build version 9C40b
    • ios-deploy 1.9.2
    • CocoaPods version 1.3.1

[✓] Android Studio (version 2.3)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Java version OpenJDK Runtime Environment (build 1.8.0_112-release-b06)

[✓] IntelliJ IDEA Community Edition (version 2017.2.6)
    • Flutter plugin version 19.1
    • Dart plugin version 172.4343.25

[✓] Connected devices
    • Frederick Cook’s iPhone • c181836da6febb49dcdbea495dea15b137def3cd • ios • iOS 11.2.1
    • iPhone 7 Plus           • 379327B7-2EFA-45F3-AF2F-828F0BB5458A     • ios • iOS 11.2 (simulator)

Using Command as Administrator finally solves my problem.
I was on windows 10!

@wengang , could you please elaborate ? I am new to Flutter, and I'm facing the issue.
Where do I append ?

If you using window ,can flow below screen capture:
<EMAIL_ADDRESS>Sent from Mailhttps://go.microsoft.com/fwlink/?LinkId=550986 for Windows 10
From<EMAIL_ADDRESS>Sent: 2018年2月3日 20:29
To<EMAIL_ADDRESS>Cc<EMAIL_ADDRESS><EMAIL_ADDRESS>Subject: Re: [flutter/flutter] Error connecting to the service protocol: WebSocketChannelException: WebSocketChannelException: HttpException: , uri = http://<IP_ADDRESS>:8106/ws (#13747)
@wenganghttps://github.com/wengang , could you please elaborate ? I am new to Flutter, and I'm facing the issue.
Where do I append ?
—
You are receiving this because you were mentioned.
Reply to this email directly, view it on GitHubhttps://github.com/flutter/flutter/issues/13747#issuecomment-362802696, or mute the threadhttps://github.com/notifications/unsubscribe-auth/AExSqP-DJNn01e-c5EjLHNBwSKO4Txa6ks5tRFENgaJpZM4RKox_.

I had this problem when using "Connect via network" for the device. Disabling it worked.

I disabled Personal HotSpot and that resolved it for me

I am also having this issue.
Here is my build log:
`[ +138 ms] ------ Debug phase ------
[        ] Starting debug of 27f6158b8cb09bb9535a71612241beac409bcf32 (D221AP, D221AP, uknownos, unkarch) a.k.a. 'Lokes iPhone' connected through USB...
[  +53 ms] [  0%] Looking up developer disk image
[  +20 ms] [ 95%] Developer disk image mounted successfully
[+3362 ms] [100%] Connecting to remote debug server
[        ] -------------------------
[  +35 ms] (lldb) command source -s 0 '/tmp/0FB2E9CF-E845-427A-AE7A-B60516B55F48/fruitstrap-lldb-prep-cmds-27f6158b8cb09bb9535a71612241beac409bcf32'
[        ] Executing commands in '/tmp/0FB2E9CF-E845-427A-AE7A-B60516B55F48/fruitstrap-lldb-prep-cmds-27f6158b8cb09bb9535a71612241beac409bcf32'.
[        ] (lldb)     platform select remote-ios --sysroot '/Users/loke/Library/Developer/Xcode/iOS DeviceSupport/11.3 (15E216)/Symbols'
[        ]   Platform: remote-ios
[        ]  Connected: no
[        ]   SDK Path: "/Users/loke/Library/Developer/Xcode/iOS DeviceSupport/11.3 (15E216)/Symbols"
[        ] (lldb)     target create "/Users/loke/Projects/blockbuster_mobile/build/ios/iphoneos/Runner.app"
[+2919 ms] Current executable set to '/Users/loke/Projects/blockbuster_mobile/build/ios/iphoneos/Runner.app' (arm64).
[        ] (lldb)     script fruitstrap_device_app="/private/var/containers/Bundle/Application/7D4C59EF-5CB1-4B58-A916-980B1469D949/Runner.app"
[        ] (lldb)     script fruitstrap_connect_url="connect://<IP_ADDRESS>:50925"
[        ] (lldb)     target modules search-paths add /usr "/Users/loke/Library/Developer/Xcode/iOS DeviceSupport/11.3 (15E216)/Symbols/usr" /System "/Users/loke/Library/Developer/Xcode/iOS DeviceSupport/11.3 (15E216)/Symbols/System" "/private/var/containers/Bundle/Application/7D4C59EF-5CB1-4B58-A916-980B1469D949" "/Users/loke/Projects/blockbuster_mobile/build/ios/iphoneos" "/var/containers/Bundle/Application/7D4C59EF-5CB1-4B58-A916-980B1469D949" "/Users/loke/Projects/blockbuster_mobile/build/ios/iphoneos" /Developer "/Users/loke/Library/Developer/Xcode/iOS DeviceSupport/11.3 (15E216)/Symbols/Developer"
[  +47 ms] (lldb)     command script import "/tmp/0FB2E9CF-E845-427A-AE7A-B60516B55F48/fruitstrap_27f6158b8cb09bb9535a71612241beac409bcf32.py"
[   +3 ms] (lldb)     command script add -f fruitstrap_27f6158b8cb09bb9535a71612241beac409bcf32.connect_command connect
[        ] (lldb)     command script add -s asynchronous -f fruitstrap_27f6158b8cb09bb9535a71612241beac409bcf32.run_command run
[        ] (lldb)     command script add -s asynchronous -f fruitstrap_27f6158b8cb09bb9535a71612241beac409bcf32.autoexit_command autoexit
[        ] (lldb)     command script add -s asynchronous -f fruitstrap_27f6158b8cb09bb9535a71612241beac409bcf32.safequit_command safequit
[        ] (lldb)     connect
[  +35 ms] (lldb)     run
[ +222 ms] success
[        ] (lldb)     safequit
[ +113 ms] Process 8083 detached
[  +31 ms] Application launched on the device. Waiting for observatory port.
[ +292 ms] Observatory URL on device: http://<IP_ADDRESS>:49889/
[   +8 ms] /usr/local/bin/iproxy 8105 49889 27f6158b8cb09bb9535a71612241beac409bcf32
[   +4 ms] Forwarded port ForwardedPort HOST:8105 to DEVICE:49889
[        ] Forwarded host port 8105 to device port 49889 for Observatory
[   +5 ms] Connecting to service protocol: http://<IP_ADDRESS>:8105/
[ +140 ms] Error connecting to the service protocol: WebSocketChannelException: WebSocketChannelException: HttpException: , uri = http://<IP_ADDRESS>:8105/ws
[   +2 ms] "flutter run" took 22,649ms.
#0      throwToolExit (package:flutter_tools/src/base/common.dart:28)
#1      RunCommand.runCommand (package:flutter_tools/src/commands/run.dart:407)

#2      FlutterCommand.verifyThenRunCommand (package:flutter_tools/src/runner/flutter_command.dart:333)

#3      FlutterCommand.run. (package:flutter_tools/src/runner/flutter_command.dart:270)

#4      AppContext.run. (package:flutter_tools/src/base/context.dart:142)

#5      _rootRun (dart:async/zone.dart:1126)
#6      _CustomZone.run (dart:async/zone.dart:1023)
#7      runZoned (dart:async/zone.dart:1501)
#8      AppContext.run (package:flutter_tools/src/base/context.dart:141)

#9      FlutterCommand.run (package:flutter_tools/src/runner/flutter_command.dart:261)
#10     CommandRunner.runCommand (package:args/command_runner.dart:194)

#11     FlutterCommandRunner.runCommand. (package:flutter_tools/src/runner/flutter_command_runner.dart:309)

#12     AppContext.run. (package:flutter_tools/src/base/context.dart:142)

#13     _rootRun (dart:async/zone.dart:1126)
#14     _CustomZone.run (dart:async/zone.dart:1023)
#15     runZoned (dart:async/zone.dart:1501)
#16     AppContext.run (package:flutter_tools/src/base/context.dart:141)

#17     FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:265)

#18     CommandRunner.run. (package:args/command_runner.dart:109)
#19     new Future.sync (dart:async/future.dart:224)
#20     CommandRunner.run (package:args/command_runner.dart:109)
#21     FlutterCommandRunner.run (package:flutter_tools/src/runner/flutter_command_runner.dart:174)
#22     run. (package:flutter_tools/runner.dart:54)

#23     AppContext.run. (package:flutter_tools/src/base/context.dart:142)

#24     _rootRun (dart:async/zone.dart:1126)
#25     _CustomZone.run (dart:async/zone.dart:1023)
#26     runZoned (dart:async/zone.dart:1501)
#27     AppContext.run (package:flutter_tools/src/base/context.dart:141)

#28     runInContext (package:flutter_tools/src/context_runner.dart:41)

#29     run (package:flutter_tools/runner.dart:49)
#30     main (package:flutter_tools/executable.dart:48)

#31     main (file:///Users/loke/Projects/flutter/packages/flutter_tools/bin/flutter_tools.dart:16)
#32     _startIsolate. (dart:isolate-patch/dart:isolate/isolate_patch.dart:277)
#33     _RawReceivePortImpl._handleMessage (dart:isolate-patch/dart:isolate/isolate_patch.dart:165)`
And here is my doctor run:
`[✓] Flutter (Channel dev, v0.3.0, on Mac OS X 10.13.4 17E199, locale en-DK)
• Flutter version 0.3.0 at /Users/loke/Projects/flutter
• Framework revision c73b8a7cf6 (5 days ago), 2018-04-12 16:17:26 -0700
• Engine revision 8a6e64a8ef
• Dart version 2.0.0-dev.47.0.flutter-4126459025
[✓] Android toolchain - develop for Android devices (Android SDK 27.0.3)
• Android SDK at /Users/loke/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-915-b08)
• All Android licenses accepted.
[✓] iOS toolchain - develop for iOS devices (Xcode 9.3)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Xcode 9.3, Build version 9E145
• ios-deploy 1.9.2
• CocoaPods version 1.5.0
[✓] Android Studio (version 3.0)
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin version 22.2.1
• Dart plugin version 171.4424
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-915-b08)
[✓] IntelliJ IDEA Ultimate Edition (version 2018.1.1)
• IntelliJ at /Users/loke/Applications/JetBrains Toolbox/IntelliJ IDEA Ultimate.app
• Flutter plugin version 23.2.3
• Dart plugin version 181.4445.29
[✓] Connected devices (1 available)
• Lokes iPhone • 27f6158b8cb09bb9535a71612241beac409bcf32 • ios • iOS 11.3
• No issues found!`

I am going to close this as duplicate of https://github.com/flutter/flutter/issues/13655. We've seen this in our test lab intermittently, but only recently started seeing it often enough to call it more or less "reproducible".

This issue with https://github.com/flutter/flutter/issues/13655 seems to be that the tool is using the wrong port to connect to the service protocol. I am reopening this as it seems orthogonal.

Feel free to keep this issue open, but I'd like to point out that #13655 is not about connecting to a wrong port (see my comment https://github.com/flutter/flutter/issues/13655#issuecomment-382887478).

@yjbanov Are you suggesting that the fix for #13655 might apply here as well?

Yes, that's my hypothesis. It might be fixed as of https://github.com/flutter/flutter/commit/12bbaba9ae044d0ea77da4dd5e4db15eed403f09. Would you be able to upgrade to this version of Flutter and give it a try?

@yjbanov I am afraid there is no such luck.
I upgraded to 0.3.2, which is my understanding should contain the fix. It seems it does additional tries, but still fails.
[ +159 ms] Application launched on the device. Waiting for observatory port.
[ +279 ms] Observatory URL on device: http://<IP_ADDRESS>:56284/
[   +8 ms] /usr/local/bin/iproxy 8111 56284 27f6158b8cb09bb9535a71612241beac409bcf32
[   +5 ms] Forwarded port ForwardedPort HOST:8111 to DEVICE:56284
[        ] Forwarded host port 8111 to device port 56284 for Observatory
[   +5 ms] Connecting to service protocol: http://<IP_ADDRESS>:8111/
[ +138 ms] Exception attempting to connect to observatory: HttpException: , uri = http://<IP_ADDRESS>:8111/ws
[        ] This was attempt #1. Will retry in 0:00:00.100000.
[ +230 ms] Exception attempting to connect to observatory: HttpException: , uri = http://<IP_ADDRESS>:8111/ws
[        ] This was attempt #2. Will retry in 0:00:00.200000.
[ +320 ms] Exception attempting to connect to observatory: HttpException: , uri = http://<IP_ADDRESS>:8111/ws
[        ] This was attempt #3. Will retry in 0:00:00.400000.
[ +528 ms] Exception attempting to connect to observatory: HttpException: , uri = http://<IP_ADDRESS>:8111/ws
[        ] This was attempt #4. Will retry in 0:00:00.800000.
[ +925 ms] Exception attempting to connect to observatory: HttpException: , uri = http://<IP_ADDRESS>:8111/ws
[        ] This was attempt #5. Will retry in 0:00:01.600000.
[+1602 ms] Error connecting to the service protocol: Exception: Attempted to connect to Dart observatory 5 times, and all attempts failed. Giving up. The URL was ws://<IP_ADDRESS>:8111/ws
[   +2 ms] "flutter run" took 26,972ms.

Are you able to telnet localhost PORT_NUMBER to it? Trying to understand if the problem is in Flutter tools or in iproxy. I made this PR to retry the iproxy command, but it wasn't fixing anything we could reproduce, so we decided to drop it. Perhaps it could still help in your case.

@yjbanov Seems the port isn't actually open that iproxy tries to tunnel to.
[        ]  Connected: no
[        ]   SDK Path: "/Users/loke/Library/Developer/Xcode/iOS DeviceSupport/11.3 (15E216)/Symbols"
[        ] (lldb)     target create "/Users/loke/Projects/blockbuster_mobile/build/ios/iphoneos/Runner.app"
[+5217 ms] Current executable set to '/Users/loke/Projects/blockbuster_mobile/build/ios/iphoneos/Runner.app' (arm64).
[        ] (lldb)     script fruitstrap_device_app="/private/var/containers/Bundle/Application/056D550B-EF2F-43D9-A037-BBF7F8B503D9/Runner.app"
[   +2 ms] (lldb)     script fruitstrap_connect_url="connect://<IP_ADDRESS>:59509"
[        ] (lldb)     target modules search-paths add /usr "/Users/loke/Library/Developer/Xcode/iOS DeviceSupport/11.3 (15E216)/Symbols/usr" /System "/Users/loke/Library/Developer/Xcode/iOS DeviceSupport/11.3 (15E216)/Symbols/System" "/private/var/containers/Bundle/Application/056D550B-EF2F-43D9-A037-BBF7F8B503D9" "/Users/loke/Projects/blockbuster_mobile/build/ios/iphoneos" "/var/containers/Bundle/Application/056D550B-EF2F-43D9-A037-BBF7F8B503D9" "/Users/loke/Projects/blockbuster_mobile/build/ios/iphoneos" /Developer "/Users/loke/Library/Developer/Xcode/iOS DeviceSupport/11.3 (15E216)/Symbols/Developer"
[  +44 ms] (lldb)     command script import "/tmp/9350A434-69DD-4FEC-8ABB-7B4B69301D40/fruitstrap_27f6158b8cb09bb9535a71612241beac409bcf32.py"
[   +5 ms] (lldb)     command script add -f fruitstrap_27f6158b8cb09bb9535a71612241beac409bcf32.connect_command connect
[        ] (lldb)     command script add -s asynchronous -f fruitstrap_27f6158b8cb09bb9535a71612241beac409bcf32.run_command run
[        ] (lldb)     command script add -s asynchronous -f fruitstrap_27f6158b8cb09bb9535a71612241beac409bcf32.autoexit_command autoexit
[        ] (lldb)     command script add -s asynchronous -f fruitstrap_27f6158b8cb09bb9535a71612241beac409bcf32.safequit_command safequit
[        ] (lldb)     connect
[  +37 ms] (lldb)     run
[ +291 ms] success
[        ] (lldb)     safequit
[ +156 ms] Application launched on the device. Waiting for observatory port.
[ +302 ms] Observatory URL on device: http://<IP_ADDRESS>:61167/
[   +5 ms] /usr/local/bin/iproxy 8100 61167 27f6158b8cb09bb9535a71612241beac409bcf32
[  +11 ms] Forwarded port ForwardedPort HOST:8100 to DEVICE:61167
[        ] Forwarded host port 8100 to device port 61167 for Observatory
[   +6 ms] Connecting to service protocol: http://<IP_ADDRESS>:8100/
[ +161 ms] Exception attempting to connect to observatory: HttpException: , uri = http://<IP_ADDRESS>:8100/ws
[        ] This was attempt #1. Will retry in 0:00:00.100000.
[ +243 ms] Exception attempting to connect to observatory: HttpException: , uri = http://<IP_ADDRESS>:8100/ws
[        ] This was attempt #2. Will retry in 0:00:00.200000.
[ +352 ms] Exception attempting to connect to observatory: HttpException: , uri = http://<IP_ADDRESS>:8100/ws
[        ] This was attempt #3. Will retry in 0:00:00.400000.
[ +545 ms] Exception attempting to connect to observatory: HttpException: , uri = http://<IP_ADDRESS>:8100/ws
[        ] This was attempt #4. Will retry in 0:00:00.800000.
[ +946 ms] Exception attempting to connect to observatory: HttpException: , uri = http://<IP_ADDRESS>:8100/ws
[        ] This was attempt #5. Will retry in 0:00:01.600000.
[+1606 ms] Error connecting to the service protocol: Exception: Attempted to connect to Dart observatory 5 times, and all attempts failed. Giving up. The URL was ws://<IP_ADDRESS>:8100/ws
[   +2 ms] "flutter run" took 31,235ms.

 !  ~/P/blockbuster_mobile  nc -v <IP_ADDRESS> 61167                                                                                1 ┃
nc: connectx to <IP_ADDRESS> port 61167 (tcp) failed: Connection refused
 !  ~/P/blockbuster_mobile  nc -v <IP_ADDRESS> 8100                                                                                │
found 0 associations
found 1 connections:
     1:	flags=82<CONNECTED,PREFERRED>
	outif lo0
	src <IP_ADDRESS> port 59551
	dst <IP_ADDRESS> port 8100
	rank info not available
	TCP aux info available

Connection to <IP_ADDRESS> port 8100 [tcp/xprint-server] succeeded!
 ~/P/blockbuster_mobile 

In case it's not obvious, the nc to port 8100 completes instantly (i.e. it's instantly disconnected. Which would make sense if the proxy can't connect at the other end. So the problem is not with iproxy, but with the underlying port not being available. As far as i can figure at least.

@yjbanov Seems the port isn't actually open that iproxy tries to tunnel to.
[        ]  Connected: no
[        ]   SDK Path: "/Users/loke/Library/Developer/Xcode/iOS DeviceSupport/11.3 (15E216)/Symbols"
[        ] (lldb)     target create "/Users/loke/Projects/blockbuster_mobile/build/ios/iphoneos/Runner.app"
[+5217 ms] Current executable set to '/Users/loke/Projects/blockbuster_mobile/build/ios/iphoneos/Runner.app' (arm64).
[        ] (lldb)     script fruitstrap_device_app="/private/var/containers/Bundle/Application/056D550B-EF2F-43D9-A037-BBF7F8B503D9/Runner.app"
[   +2 ms] (lldb)     script fruitstrap_connect_url="connect://<IP_ADDRESS>:59509"
[        ] (lldb)     target modules search-paths add /usr "/Users/loke/Library/Developer/Xcode/iOS DeviceSupport/11.3 (15E216)/Symbols/usr" /System "/Users/loke/Library/Developer/Xcode/iOS DeviceSupport/11.3 (15E216)/Symbols/System" "/private/var/containers/Bundle/Application/056D550B-EF2F-43D9-A037-BBF7F8B503D9" "/Users/loke/Projects/blockbuster_mobile/build/ios/iphoneos" "/var/containers/Bundle/Application/056D550B-EF2F-43D9-A037-BBF7F8B503D9" "/Users/loke/Projects/blockbuster_mobile/build/ios/iphoneos" /Developer "/Users/loke/Library/Developer/Xcode/iOS DeviceSupport/11.3 (15E216)/Symbols/Developer"
[  +44 ms] (lldb)     command script import "/tmp/9350A434-69DD-4FEC-8ABB-7B4B69301D40/fruitstrap_27f6158b8cb09bb9535a71612241beac409bcf32.py"
[   +5 ms] (lldb)     command script add -f fruitstrap_27f6158b8cb09bb9535a71612241beac409bcf32.connect_command connect
[        ] (lldb)     command script add -s asynchronous -f fruitstrap_27f6158b8cb09bb9535a71612241beac409bcf32.run_command run
[        ] (lldb)     command script add -s asynchronous -f fruitstrap_27f6158b8cb09bb9535a71612241beac409bcf32.autoexit_command autoexit
[        ] (lldb)     command script add -s asynchronous -f fruitstrap_27f6158b8cb09bb9535a71612241beac409bcf32.safequit_command safequit
[        ] (lldb)     connect
[  +37 ms] (lldb)     run
[ +291 ms] success
[        ] (lldb)     safequit
[ +156 ms] Application launched on the device. Waiting for observatory port.
[ +302 ms] Observatory URL on device: http://<IP_ADDRESS>:61167/
[   +5 ms] /usr/local/bin/iproxy 8100 61167 27f6158b8cb09bb9535a71612241beac409bcf32
[  +11 ms] Forwarded port ForwardedPort HOST:8100 to DEVICE:61167
[        ] Forwarded host port 8100 to device port 61167 for Observatory
[   +6 ms] Connecting to service protocol: http://<IP_ADDRESS>:8100/
[ +161 ms] Exception attempting to connect to observatory: HttpException: , uri = http://<IP_ADDRESS>:8100/ws
[        ] This was attempt #1. Will retry in 0:00:00.100000.
[ +243 ms] Exception attempting to connect to observatory: HttpException: , uri = http://<IP_ADDRESS>:8100/ws
[        ] This was attempt #2. Will retry in 0:00:00.200000.
[ +352 ms] Exception attempting to connect to observatory: HttpException: , uri = http://<IP_ADDRESS>:8100/ws
[        ] This was attempt #3. Will retry in 0:00:00.400000.
[ +545 ms] Exception attempting to connect to observatory: HttpException: , uri = http://<IP_ADDRESS>:8100/ws
[        ] This was attempt #4. Will retry in 0:00:00.800000.
[ +946 ms] Exception attempting to connect to observatory: HttpException: , uri = http://<IP_ADDRESS>:8100/ws
[        ] This was attempt #5. Will retry in 0:00:01.600000.
[+1606 ms] Error connecting to the service protocol: Exception: Attempted to connect to Dart observatory 5 times, and all attempts failed. Giving up. The URL was ws://<IP_ADDRESS>:8100/ws
[   +2 ms] "flutter run" took 31,235ms.

 !  ~/P/blockbuster_mobile  nc -v <IP_ADDRESS> 61167                                                                                1 ┃
nc: connectx to <IP_ADDRESS> port 61167 (tcp) failed: Connection refused
 !  ~/P/blockbuster_mobile  nc -v <IP_ADDRESS> 8100                                                                                │
found 0 associations
found 1 connections:
     1:	flags=82<CONNECTED,PREFERRED>
	outif lo0
	src <IP_ADDRESS> port 59551
	dst <IP_ADDRESS> port 8100
	rank info not available
	TCP aux info available

Connection to <IP_ADDRESS> port 8100 [tcp/xprint-server] succeeded!
 ~/P/blockbuster_mobile 

In case it's not obvious, the nc to port 8100 completes instantly (i.e. it's instantly disconnected. Which would make sense if the proxy can't connect at the other end. So the problem is not with iproxy, but with the underlying port not being available. As far as i can figure at least.

I hit this fairly often when testing on-device on iOS. The workaround for me (seems to always fix it) is to toggle Xcode's Connect via network option (found in Windows / Devices and Simulators). I normally have this off (connect device via Lightning cable); but toggling it on then back off (temporarily) fixes this error.

I am facing the same problem.

Error connecting to the service protocol: Exception: Attempted to connect to Dart observatory 5 times, and all attempts failed. Giving up. The URL was ws://<IP_ADDRESS>:8101/ws

I doublechecked with the connect via network toggle. That did not seem to solve the problem for me.

Has anyone found a solution for this yet?

I'm facing the same problem.
*** First throw call stack:
(
0   CoreFoundation                      0x0000000103f7f1e6 __exceptionPreprocess + 294
1   libobjc.A.dylib                     0x0000000103614031 objc_exception_throw + 48
2   CoreFoundation                      0x0000000103ff4975 +[NSException raise:format:] + 197
3   Runner                              0x000000010113fd86 +[FIRApp configure] + 352
4   Runner                              0x00000001010d233e -[FLTFirebaseMessagingPlugin initWithChannel:] + 254
5   Runner                              0x00000001010d21bc +[FLTFirebaseMessagingPlugin registerWithRegistrar:] + 172
6   Runner                              0x00000001010488b9 +[GeneratedPluginRegistrant registerWithRegistry:] + 121
7   Runner      <…>
Error connecting to the service protocol: Exception: Attempted to connect to Dart observatory 5 times, and all attempts failed. Giving up. The URL was ws://<IP_ADDRESS>:8100/ws

this is my flutter doctor output:
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel beta, v0.3.2, on Mac OS X 10.13.4 17E202, locale it-IT)
[✓] Android toolchain - develop for Android devices (Android SDK 27.0.3)
[✓] iOS toolchain - develop for iOS devices (Xcode 9.3.1)
[✓] Android Studio (version 3.1)
[✓] Android Studio (version 2.3)
✗ Flutter plugin not installed; this adds Flutter specific functionality.
✗ Dart plugin not installed; this adds Dart specific functionality.
[✓] IntelliJ IDEA Community Edition (version 2017.2.6)
[✓] Connected devices (2 available)
• No issues found!

I solved by this. If you're behind the proxy unset http_proxy, https_proxy, ftp_proxy. And finally set no_proxy.

I'm in the proxy network. I solved it by unset http_proxy, https_proxy, ftp_proxy and export no_proxy=localhost,<IP_ADDRESS>/8,::1
Finally you can open code . and the problem will go away.

Having the same issue,
I am implementing Map in my app,
I have implemented the code in the office machine and trying to running it at home but no success.
I am using the Android Studio on Windows 10.

Disabling wifi on the ios device get's me around this issue.

@DanTup do you think this is a dup of #19056 ?

Not sure about this one, seems like there may be some different issues mentioned here (for ex. one looks like it has a native crash).
I wonder if we could make a small script or something that could test a bunch of things like connectivity to VMs/devices/etc. to help track these down. For example, even just being able to test the following might help narrow things down:

Can connect to web socket on the web
Can connect HTTP to localhost
Can connect to web socket to localhost
Can connect HTTP on port forwarded from localhost to a device
Can connect to web socket on port forwarded from localhost to a device

Error connecting to the service protocol: Exception: Attempted to connect to Dart observatory 5 times, and all attempts failed. Giving up. The URL was ws://<IP_ADDRESS>:45829/ws
However, the Flutter demo app runs in the emulator nonetheless.
(Dart observatory is the Dart debugger and profiler.)

I had tried that, and there was no server running at that port, IIRC.

I tried again, and I was wrong: There is a server running on that port, title of page is "Dart VM Observatory", and there are stylesheets and a main.dart.js loaded, but the HTML body is empty, and the page is completely blank without any content.

It's normal for the body tag to be blank as the content is all loaded dynamically via JavaScript. Can you check the developer console for errors? I guess it's failing to open a web socket to the VM the same as the command line tooling was.
Could you try loading https://websocketstest.com/ and when it's finished testing, post the details (copy/paste, screenshot or you can click the "Result ID" at the bottom of the tables to get a link to your results that you can share).

Note that no browser is involved when the command line build tool tries to connect to the Dart observatory server.
Web Sockets Test results:

Value
Result

WebSockets supported
Yes ✔

WebSocket protocol version
rfc-6455

HTTP Proxy
No

Browser
firefox 61

Antivirus
No Data

WebSockets (Port 443, SSL)
Yes ✔

Errors on Web Developer Console when loading http://<IP_ADDRESS>:43021/ :
Error: main.dart.js:1649:3

function
file:line

h
http://<IP_ADDRESS>:43021/main.dart.js:1649:3

$0
http://<IP_ADDRESS>:43021/main.dart.js:4722:3

a2u
http://<IP_ADDRESS>:43021/main.dart.js:3183:1

dart<.abs<
http://<IP_ADDRESS>:43021/main.dart.js:3185:5

$1
http://<IP_ADDRESS>:43021/main.dart.js:3362:1

a4o
http://<IP_ADDRESS>:43021/main.dart.js:1707:15

bS/z</<
http://<IP_ADDRESS>:43021/main.dart.js:1715:51

Source-Map-Error: SyntaxError: JSON.parse: unexpected end of data at line 1 column 1 of the JSON data
Resource-Address: http://<IP_ADDRESS>:43021/main.dart.js
Source-Map-Address: main.dart.js.map

Dart observatory http://<IP_ADDRESS>:43021/#/vm loads fine in Chromium, but not in Firefox. I've tried 3 different profiles and different versions of Firefox. So, the Dart observatory apparently has a bug that it's not compatible with Firefox, only with Chromium.
I also found the reason why the command line build tool does not manage to connect to Dart observatory: I have a proxy configured. As soon as I set HTTP[S]_PROXY="" and http[s]_proxy="", it works. So, there's a bug that it honors a HTTP proxy when it should not.

Note that no browser is involved when the command line build tool tries to connect to the Dart observatory server. It's already failing on that low level.

That's right, but the web app you loaded comes from the same code that handles the web socket. Since you can load the page it shows the VM is running and accepting connections. It also connects back to the same web socket, so it's a good way to debug some types of failures.

Source-Map-Error: SyntaxError: JSON.parse: unexpected end of data at line 1 column 1 of the JSON data

This normally happens when something is expected JSON but got a HTML page (fails on first character <). Maybe your proxy is getting in the way - it might be clear what's happening if you inspect the responses in the Network tab.

So, there's a bug that it honors a HTTP proxy when it should not, given that it's trying to connect to localhost.

It's not always invalid to proxy connections localhost - for example you might want to proxy connections through something like Fiddler to inspect the traffic (to debug these sorts of issues!). I think it probably doesn't make sense if your proxy is off-machine though.
I don't know how the decision is made to use the proxy (whether it's Flutter, Dart, or the system) so I'm not sure what the correct fix is here. I found that some systems use the NO_PROXY env variable to allow bypassing proxies for certain addresses, so maybe adding localhost there will work.

There's a comment here: https://github.com/dart-lang/sdk/issues/15215#issuecomment-108404848

I have looked into how the http_proxy and no_proxy settings are handled by wget an curl. Both of these programs does not have any special handling of loopback addresses, and one needs to explicitly use no_proxy, e.g.

So, it seems like this is common and if you have a proxy you should probably have localhost in NO_PROXY. It looks like Dart has knowledge of this env variable (though it's in http so I'm not sure if that covers WebSockets; let's hope so).
https://github.com/dart-lang/sdk/blob/b4a426fa723d31f7bdf33a49122c94aff4fce1ea/sdk/lib/_http/http.dart#L1811

For me it was caused by iTunes Wi-Fi sync. iTunes has an option called 'Sync with this iPhone over Wi-Fi'. When I disabled it, everything worked just fine.
To disable the option:

Launch iTunes
Click on the little phone icon on top bar
Scroll down and check off 'Sync with this iPhone over Wi-Fi' under Options section

Does anyone still have this issue that's not fixed by one of the two solutions mentioned above?

Setting the NO_PROXY env variable to include localhost so that connections aren't sent to their proxy
Disabling sync over WiFi in iTunes

@cbracken Is #8309 supports to handle the WiFi sync better (and be handle, I mean disable)?

In my case, VSCode can connect to the debugger successfully. However, IntelliJ cannot.
Could it be the problem of the plugin? https://github.com/flutter/flutter-intellij

@imWildCat That seems like a different problem - I think it's worth a separate issue. I'd start here, since I think that's failing in the Flutter side (the URI gets parsed from VM output using a Regex). I'm not sure why it would only happen in IntelliJ though. Best to have a specific issue to avoid confusing this one though.

Im having the same issue.
*** First throw call stack:
(
0   CoreFoundation                      0x00000001085a61e6 __exceptionPreprocess + 294
1   libobjc.A.dylib                     0x0000000107c3b031 objc_exception_throw + 48
2   CoreFoundation                      0x000000010861b975 +[NSException raise:format:] + 197
3   Runner                              0x0000000104910bb6 +[FIRApp configure] + 470
4   Runner                              0x0000000104aa31c9 -[FLTFirebaseDatabasePlugin init] + 185
5   Runner                              0x0000000104aa3088 +[FLTFirebaseDatabasePlugin registerWithRegistrar:] + 168
6   Runner                              0x000000010490f607 +[GeneratedPluginRegistrant registerWithRegistry:] + 215
7   Runner                    <…>
Error connecting to the service protocol: HttpException: Connection closed before full header was received, uri = http://<IP_ADDRESS>:8101/ws
The same code runs on Android but does not run in an iOS emulator. How to fix this ?

Im using Android Studio in a Mac Book pro

@PiKumuda Do any of the things in https://github.com/flutter/flutter/issues/13747#issuecomment-407650505 help?

@miguelpruivo that sounds like some of the issues described above - debugging over WiFi doesn't seem to work, but disabling it solves the issue (I think you can disable debugging over WiFi rather than disabling it for the whole phone).

Super weird issue me too. I have wifi Windows 10 PC running GraphQL NodeJS Express server on <IP_ADDRESS>, trying to do http (not https) requests on http://<IP_ADDRESS>, sometimes I get this error super intermittent. I have a Genymotion Android phone running.

I have wifi Windows 10 PC running GraphQL NodeJS Express server on <IP_ADDRESS>, trying to do http (not https) requests on http://<IP_ADDRESS>, sometimes I get this error super intermittent

Connecting to a NodeJS Express server shouldn't result in a message about connecting to the service protocol - is it a different message? (If it's the same, as you sure the NodeJS server is related?).

@Dantup the links on the GitHub issues confused me. My bad. Mine was Connection closed before full header was received.
I had it for one particular query, but other queries did not have this error. But haven't experienced this since. I think restarting the programs fixed it.

Mine was Connection closed before full header was received.

Gotcha. This could just be an intermittent network connectivity issue (unrelated to flutter) but it's hard to say without more troubleshooting - sounds like it's resolved itself anyway :-)

Disabling sync with iPhone solved my issue.

I have the problem on android as well, with the simulator and real device, did anything work ?

I solved the same problem you encountered. I work with android studio and flutter / firebase on my mac.
It is necessary to recover on the site of firebase the file IOS: GoogleService-Info.plist
then open Xcode and drag the file directly to the application directory.
Warning: you have to go through Xcode otherwise it does not work.
Since I did not have an error message.

I have the same issue using VS Code on Mac 10.14.4.  It works if I disable WiFi on phone, but this is a cumbersome option for me.  I don't have a proxy, but I setup NO_PROXY anyway (output from Terminal in VS Code):
davidkrinker$ echo $NO_PROXY
localhost,<IP_ADDRESS>
I verified that iTunes syncing is disabled and networking debugging is disable in XCode.
Not sure what else to try?

@Dkrinker can you post the exact output from flutter run -v showing the error (and also which Flutter version you have). Thanks!

Danny,
I just downloaded the latest beta for iOS 12.3 and after installing this,
it looks like the issue is fixed?
I am running the latest stable release of flutter SDK for Mac v1.2.1
Anyway, here is the log (but of course, now it is working):
                    export TARGET_NAME=Runner
                    export

TARGET_TEMP_DIR=/Users/davidkrinker/Library/Developer/Xcode/DerivedData/Runner-bbcqmsndveoed
jglxydxhkzmjrru/Build/Intermediates.noindex/Runner.build/Debug-iphoneos/Runner.build
export
TEMP_DIR=/Users/davidkrinker/Library/Developer/Xcode/DerivedData/Runner-bbcqmsndveoedjglxydx
hkzmjrru/Build/Intermediates.noindex/Runner.build/Debug-iphoneos/Runner.build
export
TEMP_FILES_DIR=/Users/davidkrinker/Library/Developer/Xcode/DerivedData/Runner-bbcqmsndveoedj
glxydxhkzmjrru/Build/Intermediates.noindex/Runner.build/Debug-iphoneos/Runner.build
export
TEMP_FILE_DIR=/Users/davidkrinker/Library/Developer/Xcode/DerivedData/Runner-bbcqmsndveoedjg
lxydxhkzmjrru/Build/Intermediates.noindex/Runner.build/Debug-iphoneos/Runner.build
export
TEMP_ROOT=/Users/davidkrinker/Library/Developer/Xcode/DerivedData/Runner-bbcqmsndveoedjglxyd
xhkzmjrru/Build/Intermediates.noindex
export
TOOLCHAINS=com.apple.dt.toolchain.XcodeDefault
export
TOOLCHAIN_DIR=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain
export TREAT_MISSING_BASELINES_AS_TEST_FAILURES=NO
export UID=501
export UNLOCALIZED_RESOURCES_FOLDER_PATH=Runner.app
export UNSTRIPPED_PRODUCT=NO
export USER=davidkrinker
export
USER_APPS_DIR=/Users/davidkrinker/Applications
export USER_LIBRARY_DIR=/Users/davidkrinker/Library
export USE_DYNAMIC_NO_PIC=YES
export USE_HEADERMAP=YES
export USE_HEADER_SYMLINKS=NO
export VALIDATE_PRODUCT=NO
export VALID_ARCHS="arm64 arm64e armv7 armv7s"
export VERBOSE_PBXCP=NO
export VERBOSE_SCRIPT_LOGGING=YES
export VERSIONING_SYSTEM=apple-generic
export VERSIONPLIST_PATH=Runner.app/version.plist
export VERSION_INFO_BUILDER=davidkrinker
export VERSION_INFO_FILE=Runner_vers.c
export VERSION_INFO_STRING=""@(#)PROGRAM:Runner
PROJECT:Runner-1""
export WRAPPER_EXTENSION=app
export WRAPPER_NAME=Runner.app
export WRAPPER_SUFFIX=.app
export WRAP_ASSET_PACKS_IN_SEPARATE_DIRECTORIES=NO
export
XCODE_APP_SUPPORT_DIR=/Applications/Xcode.app/Contents/Developer/Library/Xcode
export XCODE_PRODUCT_BUILD_VERSION=10E1001
export XCODE_VERSION_ACTUAL=1021
export XCODE_VERSION_MAJOR=1000
export XCODE_VERSION_MINOR=1020
export
XPCSERVICES_FOLDER_PATH=Runner.app/XPCServices
export YACC=yacc
export arch=arm64
export variant=normal
/bin/sh -c
/Users/davidkrinker/Library/Developer/Xcode/DerivedData/Runner-bbcqmsndveoedjglxydxhkzmjrru/
Build/Intermediates.noindex/Runner.build/Debug-iphoneos/Runner.build/Script-3B06AD1E1E4923F5
004D2608.sh
                Touch

/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/Debug-iphoneo
s/Runner.app
cd
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/ios
export
PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/b
in:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin
:/sbin:/usr/local/share/dotnet:~/.dotnet/tools:/Users/davidkrinker/Development/google-cloud-
sdk/bin:~/Development/flutter/bin:~/Development/flutter/bin"
/usr/bin/touch -c
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/Debug-iph
oneos/Runner.app
                CodeSign

/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/Debug-iphoneo
s/Runner.app
cd
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/ios
export
CODESIGN_ALLOCATE=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolc
hain/usr/bin/codesign_allocate
export
PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/b
in:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin
:/sbin:/usr/local/share/dotnet:~/.dotnet/tools:/Users/davidkrinker/Development/google-cloud-
sdk/bin:~/Development/flutter/bin:~/Development/flutter/bin"
                Signing Identity:     "iPhone Developer: David Krinker

(VTG2QV3WM9)"
Provisioning Profile: "iOS Team Provisioning Profile: *"
(e5f4d48f-15bb-4452-b587-e103eec5665c)
                    /usr/bin/codesign --force --sign

DE1183FD5C3AF78E3DD0738860A757FED7167F51 --entitlements
/Users/davidkrinker/Library/Developer/Xcode/DerivedData/Runner-bbcqmsndveoedjglxydxhkzmjrru/
Build/Intermediates.noindex/Runner.build/Debug-iphoneos/Runner.build/Runner.app.xcent
--timestamp=none
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/Debug-iph
oneos/Runner.app
                Validate

/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/Debug-iphoneo
s/Runner.app
cd
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/ios
export
PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/b
in:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin
:/sbin:/usr/local/share/dotnet:~/.dotnet/tools:/Users/davidkrinker/Development/google-cloud-
sdk/bin:~/Development/flutter/bin:~/Development/flutter/bin"
export
PRODUCT_TYPE=com.apple.product-type.application
builtin-validationUtility
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/Debug-iph
oneos/Runner.app
                ** BUILD SUCCEEDED **

                2019-04-25 10:58:04.132 xcodebuild[62023:7342391]

DTDeviceKit: deviceType from
58cb4d32f5bdcd994d666135fda123f64271eb2e was NULL
2019-04-25 10:58:04.132 xcodebuild[62023:7342391]
DTDeviceKit: deviceType from
58cb4d32f5bdcd994d666135fda123f64271eb2e was NULL
2019-04-25 10:58:04.133 xcodebuild[62023:7342391]
iPhoneSupport: 📱<DVTiOSDevice
(0x7f9dcc109d80), David Krinker’s iPhone, iPhone, 12.3
(16F5139e),
c7bf889a774625d170be2dda9f0d0966e8df8d33> unable to
mount DeveloperDiskImage (Error
Domain=com.apple.dtdevicekit Code=601 "Could not find
platform"
UserInfo={NSLocalizedDescription=Could not find
platform})
2019-04-25 10:58:04.239 xcodebuild[62023:7342384] [MT]
DTDeviceKit: deviceType from
58cb4d32f5bdcd994d666135fda123f64271eb2e was NULL
2019-04-25 10:58:04.244 xcodebuild[62023:7342384] [MT]
DTDeviceKit: deviceType from
58cb4d32f5bdcd994d666135fda123f64271eb2e was NULL
2019-04-25 10:58:04.248 xcodebuild[62023:7342384] [MT]
DTDeviceKit: deviceType from
58cb4d32f5bdcd994d666135fda123f64271eb2e was NULL
2019-04-25 10:58:05.051 xcodebuild[62023:7342406]
DTDeviceKit: deviceType from
58cb4d32f5bdcd994d666135fda123f64271eb2e was NULL
2019-04-25 10:58:05.051 xcodebuild[62023:7342406]
DTDeviceKit: deviceType from
58cb4d32f5bdcd994d666135fda123f64271eb2e was NULL
2019-04-25 10:58:05.051 xcodebuild[62023:7342406]
iPhoneSupport: 📱<DVTiOSDevice
(0x7f9dcc109d80), David Krinker’s iPhone, iPhone, 12.3
(16F5139e),
c7bf889a774625d170be2dda9f0d0966e8df8d33> unable to
mount DeveloperDiskImage (Error
Domain=com.apple.dtdevicekit Code=601 "Could not find
platform"
UserInfo={NSLocalizedDescription=Could not find
platform})
2019-04-25 10:58:05.161 xcodebuild[62023:7342384] [MT]
DTDeviceKit: deviceType from
58cb4d32f5bdcd994d666135fda123f64271eb2e was NULL
2019-04-25 10:58:05.165 xcodebuild[62023:7342384] [MT]
DTDeviceKit: deviceType from
58cb4d32f5bdcd994d666135fda123f64271eb2e was NULL
2019-04-25 10:58:05.177 xcodebuild[62023:7342384] [MT]
DTDeviceKit: deviceType from
58cb4d32f5bdcd994d666135fda123f64271eb2e was NULL
[ +105 ms]  └─Compiling, linking and signing... (completed in 1.7s)
[        ] Xcode build done.                                            4.1s
[        ] executing:
[/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/ios/]
/usr/bin/env
xcrun xcodebuild -configuration Debug VERBOSE_SCRIPT_LOGGING=YES -workspace
Runner.xcworkspace -scheme Runner
BUILD_DIR=/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios
-sdk iphoneos
ONLY_ACTIVE_ARCH=YES ARCHS=arm64
SCRIPT_OUTPUT_STREAM_FILE=/var/folders/yy/d40qlgb51qjcflczm348vj440000gn/T/flutter_build_log_pipe.xPDumT/pipe_to_std
out -showBuildSettings
[+1094 ms] Exit code 0 from: /usr/bin/env xcrun xcodebuild -configuration
Debug VERBOSE_SCRIPT_LOGGING=YES
-workspace Runner.xcworkspace -scheme Runner
BUILD_DIR=/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios
-sdk iphoneos
ONLY_ACTIVE_ARCH=YES ARCHS=arm64
SCRIPT_OUTPUT_STREAM_FILE=/var/folders/yy/d40qlgb51qjcflczm348vj440000gn/T/flutter_build_log_pipe.xPDumT/pipe_to_std
out -showBuildSettings
[        ] Build settings from command line:
ARCHS = arm64
BUILD_DIR =
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios
ONLY_ACTIVE_ARCH = YES
SCRIPT_OUTPUT_STREAM_FILE =
/var/folders/yy/d40qlgb51qjcflczm348vj440000gn/T/flutter_build_log_pipe.xPDumT/pipe_to_stdout
SDKROOT = iphoneos12.2
VERBOSE_SCRIPT_LOGGING = YES
       Build settings for action build and target Runner:
           ACTION = build
           AD_HOC_CODE_SIGNING_ALLOWED = NO
           ALTERNATE_GROUP = staff
           ALTERNATE_MODE = u+w,go-w,a+rX
           ALTERNATE_OWNER = davidkrinker
           ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = NO
           ALWAYS_SEARCH_USER_PATHS = NO
           ALWAYS_USE_SEPARATE_HEADERMAPS = NO
           APPLE_INTERNAL_DEVELOPER_DIR = /AppleInternal/Developer
           APPLE_INTERNAL_DIR = /AppleInternal
           APPLE_INTERNAL_DOCUMENTATION_DIR =

/AppleInternal/Documentation
APPLE_INTERNAL_LIBRARY_DIR = /AppleInternal/Library
APPLE_INTERNAL_TOOLS = /AppleInternal/Developer/Tools
APPLICATION_EXTENSION_API_ONLY = NO
APPLY_RULES_IN_COPY_FILES = NO
ARCHS = arm64
ARCHS_STANDARD = armv7 arm64
ARCHS_STANDARD_32_64_BIT = armv7 arm64
ARCHS_STANDARD_32_BIT = armv7
ARCHS_STANDARD_64_BIT = arm64
ARCHS_STANDARD_INCLUDING_64_BIT = armv7 arm64
ARCHS_UNIVERSAL_IPHONE_OS = armv7 arm64
ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon
AVAILABLE_PLATFORMS = appletvos appletvsimulator iphoneos
iphonesimulator macosx watchos
watchsimulator
BITCODE_GENERATION_MODE = marker
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/Applications/Xcode.app/Contents/Developer/usr
SYSTEM_DEVELOPER_UTILITIES_DIR =
/Applications/Xcode.app/Contents/Developer/Applications/Utilities
SYSTEM_DOCUMENTATION_DIR = /Library/Documentation
SYSTEM_KEXT_INSTALL_PATH = /System/Library/Extensions
SYSTEM_LIBRARY_DIR = /System/Library
TAPI_VERIFY_MODE = ErrorsOnly
TARGETED_DEVICE_FAMILY = 1,2
TARGETNAME = Runner
TARGET_BUILD_DIR =
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/Debug-iphoneos
TARGET_NAME = Runner
TARGET_TEMP_DIR =
/Users/davidkrinker/Library/Developer/Xcode/DerivedData/Runner-bbcqmsndveoedjglxydxhkzmjrru/Build/Int
ermediates.noindex/Runner.build/Debug-iphoneos/Runner.build
TEMP_DIR =
/Users/davidkrinker/Library/Developer/Xcode/DerivedData/Runner-bbcqmsndveoedjglxydxhkzmjrru/Build/Int
ermediates.noindex/Runner.build/Debug-iphoneos/Runner.build
TEMP_FILES_DIR =
/Users/davidkrinker/Library/Developer/Xcode/DerivedData/Runner-bbcqmsndveoedjglxydxhkzmjrru/Build/Int
ermediates.noindex/Runner.build/Debug-iphoneos/Runner.build
TEMP_FILE_DIR =
/Users/davidkrinker/Library/Developer/Xcode/DerivedData/Runner-bbcqmsndveoedjglxydxhkzmjrru/Build/Int
ermediates.noindex/Runner.build/Debug-iphoneos/Runner.build
TEMP_ROOT =
/Users/davidkrinker/Library/Developer/Xcode/DerivedData/Runner-bbcqmsndveoedjglxydxhkzmjrru/Build/Int
ermediates.noindex
TOOLCHAIN_DIR =
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain
TREAT_MISSING_BASELINES_AS_TEST_FAILURES = NO
UID = 501
UNLOCALIZED_RESOURCES_FOLDER_PATH = Runner.app
UNSTRIPPED_PRODUCT = NO
USER = davidkrinker
USER_APPS_DIR = /Users/davidkrinker/Applications
USER_LIBRARY_DIR = /Users/davidkrinker/Library
USE_DYNAMIC_NO_PIC = YES
USE_HEADERMAP = YES
USE_HEADER_SYMLINKS = NO
VALIDATE_PRODUCT = NO
VALID_ARCHS = arm64 arm64e armv7 armv7s
VERBOSE_PBXCP = NO
VERBOSE_SCRIPT_LOGGING = YES
VERSIONING_SYSTEM = apple-generic
VERSIONPLIST_PATH = Runner.app/version.plist
VERSION_INFO_BUILDER = davidkrinker
VERSION_INFO_FILE = Runner_vers.c
VERSION_INFO_STRING = "@(#)PROGRAM:Runner  PROJECT:Runner-1"
WRAPPER_EXTENSION = app
WRAPPER_NAME = Runner.app
WRAPPER_SUFFIX = .app
WRAP_ASSET_PACKS_IN_SEPARATE_DIRECTORIES = NO
XCODE_APP_SUPPORT_DIR =
/Applications/Xcode.app/Contents/Developer/Library/Xcode
XCODE_PRODUCT_BUILD_VERSION = 10E1001
XCODE_VERSION_ACTUAL = 1021
XCODE_VERSION_MAJOR = 1000
XCODE_VERSION_MINOR = 1020
XPCSERVICES_FOLDER_PATH = Runner.app/XPCServices
YACC = yacc
arch = arm64
variant = normal
[  +81 ms] Installing and launching...
[        ] Debugging is enabled, connecting to observatory
[   +2 ms] executing: /usr/bin/env ios-deploy --id
c7bf889a774625d170be2dda9f0d0966e8df8d33 --bundle
build/ios/iphoneos/Runner.app --no-wifi --justlaunch --args
--enable-dart-profiling --enable-checked-mode
--verify-entry-points
[  +15 ms] [....] Waiting for iOS device to be connected
[   +9 ms] [....] Using c7bf889a774625d170be2dda9f0d0966e8df8d33 (N71AP,
iPhone 6s, iphoneos, arm64) a.k.a. 'David
Krinker’s iPhone'.
[        ] ------ Install phase ------
[        ] [  0%] Found c7bf889a774625d170be2dda9f0d0966e8df8d33 (N71AP,
iPhone 6s, iphoneos, arm64) a.k.a. 'David
Krinker’s iPhone' connected through USB, beginning install
[ +457 ms] [  5%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/META-INF/
to
device
[        ] [  5%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/META-INF/com.
apple.ZipMetadata.plist to device
[   +7 ms] [  5%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/_CodeSignatur
e/ to device
[        ] [  6%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/_CodeSignatur
e/CodeResources to device
[        ] [  6%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon20x20@
2x.png to device
[        ] [  6%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon20x20@
3x.png to device
[        ] [  7%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon29x29.
png to device
[        ] [  7%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon60x60@
2x.png to device
[        ] [  7%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Runner
to
device
[        ] [  8%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon29x29@
2x.png to device
[        ] [  8%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon40x40@
3x.png to device
[        ] [  8%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Debug.xcconfi
g to device
[        ] [  9%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon29x29~
ipad.png to device
[        ] [  9%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon40x40@
2x.png to device
[        ] [ 10%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon29x29@
3x.png to device
[        ] [ 10%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon60x60@
3x.png to device
[   +5 ms] [ 10%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Base.lproj/
to device
[        ] [ 11%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Base.lproj/Ma
in.storyboardc/ to device
[        ] [ 11%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Base.lproj/Ma
in.storyboardc/UIViewController-BYZ-38-t0r.nib to device
[        ] [ 11%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Base.lproj/Ma
in.storyboardc/BYZ-38-t0r-view-8bC-Xf-vdC.nib to device
[        ] [ 12%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Base.lproj/Ma
in.storyboardc/Info.plist to device
[        ] [ 12%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Base.lproj/La
unchScreen.storyboardc/ to device
[        ] [ 12%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Base.lproj/La
unchScreen.storyboardc/01J-lp-oVM-view-Ze5-6b-2t3.nib to device
[        ] [ 13%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Base.lproj/La
unchScreen.storyboardc/UIViewController-01J-lp-oVM.nib to device
[        ] [ 13%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Base.lproj/La
unchScreen.storyboardc/Info.plist to device
[        ] [ 13%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Assets.car
to
device
[        ] [ 14%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppFrameworkI
nfo.plist to device
[        ] [ 14%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon40x40@
2x~ipad.png to device
[        ] [ 15%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon76x76@
2x~ipad.png to device
[        ] [ 15%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon83.5x8
<EMAIL_ADDRESS>to device
[        ] [ 15%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon29x29@
2x~ipad.png to device
[        ] [ 16%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon40x40~
ipad.png to device
[        ] [ 16%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/
to device
[        ] [ 16%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Fl
utter.framework/ to device
[        ] [ 17%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Fl
utter.framework/_CodeSignature/ to device
[        ] [ 17%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Fl
utter.framework/_CodeSignature/CodeResources to device
[        ] [ 17%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Fl
utter.framework/icudtl.dat to device
[  +94 ms] [ 18%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Fl
utter.framework/Flutter to device
[ +720 ms] [ 31%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Fl
utter.framework/Info.plist to device
[   +8 ms] [ 31%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/ to device
[        ] [ 31%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/_CodeSignature/ to device
[        ] [ 32%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/_CodeSignature/CodeResources to device
[        ] [ 32%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/App to device
[        ] [ 32%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/flutter_assets/ to device
[        ] [ 33%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/flutter_assets/LICENSE to device
[  +28 ms] [ 33%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/flutter_assets/vm_snapshot_data to device
[ +111 ms] [ 35%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/flutter_assets/isolate_snapshot_data to device
[  +10 ms] [ 36%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/flutter_assets/AssetManifest.json to device
[        ] [ 36%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/flutter_assets/kernel_blob.bin to device
[ +393 ms] [ 44%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/flutter_assets/FontManifest.json to device
[        ] [ 45%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/flutter_assets/packages/ to device
[        ] [ 45%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/flutter_assets/packages/cupertino_icons/ to device
[        ] [ 45%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/flutter_assets/packages/cupertino_icons/assets/ to device
[        ] [ 46%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/flutter_assets/packages/cupertino_icons/assets/CupertinoIcons.ttf
to device
[        ] [ 46%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/flutter_assets/fonts/ to device
[        ] [ 47%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/flutter_assets/fonts/MaterialIcons-Regular.ttf to device
[   +3 ms] [ 47%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Frameworks/Ap
p.framework/Info.plist to device
[        ] [ 47%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon20x20~
ipad.png to device
[        ] [ 48%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/
embedded.mobi
leprovision to device
[        ] [ 48%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon20x20@
2x~ipad.png to device
[        ] [ 48%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/Info.plist
to
device
[   +2 ms] [ 49%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/PkgInfo
to
device
[        ] [ 49%] Copying
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app/AppIcon76x76~
ipad.png to device
[ +337 ms] [ 52%] CreatingStagingDirectory
[        ] [ 57%] ExtractingPackage
[        ] [ 60%] InspectingPackage
[ +274 ms] [ 60%] TakingInstallLock
[  +88 ms] [ 65%] PreflightingApplication
[  +24 ms] [ 65%] InstallingEmbeddedProfile
[   +3 ms] [ 70%] VerifyingApplication
[  +58 ms] [ 75%] CreatingContainer
[  +76 ms] [ 80%] InstallingApplication
[        ] [ 85%] PostflightingApplication
[        ] [ 90%] SandboxingApplication
[        ] [ 95%] GeneratingApplicationMap
[  +31 ms] [100%] Installed package build/ios/iphoneos/Runner.app
[ +471 ms] ------ Debug phase ------
[        ] Starting debug of c7bf889a774625d170be2dda9f0d0966e8df8d33
(N71AP, iPhone 6s, iphoneos, arm64) a.k.a.
'David Krinker’s iPhone' connected through USB...
[ +722 ms] [  0%] Looking up developer disk image
[  +14 ms] [ 95%] Developer disk image mounted successfully
[+1438 ms] [100%] Connecting to remote debug server
[        ] -------------------------
[  +28 ms] (lldb) command source -s 0
'/tmp/74E64C6D-7050-494F-8359-C7FF94BB8551/fruitstrap-lldb-prep-cmds-c7bf889a774625d170be2dda9f0d0966e8df8d33'
[        ] Executing commands in
'/tmp/74E64C6D-7050-494F-8359-C7FF94BB8551/fruitstrap-lldb-prep-cmds-c7bf889a774625d170be2dda9f0d0966e8df8d33'.
[        ] (lldb)     platform select remote-ios --sysroot
'/Users/davidkrinker/Library/Developer/Xcode/iOS
DeviceSupport/12.3 (16F5139e)/Symbols'
[        ]   Platform: remote-ios
[        ]  Connected: no
[        ]   SDK Path: "/Users/davidkrinker/Library/Developer/Xcode/iOS
DeviceSupport/12.3 (16F5139e)/Symbols"
[        ] (lldb)     target create
"/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app"
[+4990 ms] Current executable set to
'/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos/Runner.app'
(arm64).
[        ] (lldb)     script
fruitstrap_device_app="/private/var/containers/Bundle/Application/A9087F0F-151B-4DCC-80C1-A3ABFF501E71/Runner.app"
[        ] (lldb)     script fruitstrap_connect_url="connect://
<IP_ADDRESS>:52852"
[        ] (lldb)     target modules search-paths add /usr
"/Users/davidkrinker/Library/Developer/Xcode/iOS
DeviceSupport/12.3 (16F5139e)/Symbols/usr" /System
"/Users/davidkrinker/Library/Developer/Xcode/iOS
DeviceSupport/12.3 (16F5139e)/Symbols/System"
"/private/var/containers/Bundle/Application/A9087F0F-151B-4DCC-80C1-A3ABFF501E71"
"/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos"
"/var/containers/Bundle/Application/A9087F0F-151B-4DCC-80C1-A3ABFF501E71"
"/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/build/ios/iphoneos"
/Developer
"/Users/davidkrinker/Library/Developer/Xcode/iOS DeviceSupport/12.3
(16F5139e)/Symbols/Developer"
[  +57 ms] (lldb)     command script import
"/tmp/74E64C6D-7050-494F-8359-C7FF94BB8551/fruitstrap_c7bf889a774625d170be2dda9f0d0966e8df8d33.py"
[   +2 ms] (lldb)     command script add -f
fruitstrap_c7bf889a774625d170be2dda9f0d0966e8df8d33.connect_command
connect
[        ] (lldb)     command script add -s asynchronous -f
fruitstrap_c7bf889a774625d170be2dda9f0d0966e8df8d33.run_command run
[        ] (lldb)     command script add -s asynchronous -f
fruitstrap_c7bf889a774625d170be2dda9f0d0966e8df8d33.autoexit_command
autoexit
[        ] (lldb)     command script add -s asynchronous -f
fruitstrap_c7bf889a774625d170be2dda9f0d0966e8df8d33.safequit_command
safequit
[        ] (lldb)     connect
[  +19 ms] (lldb)     run
[ +342 ms] success
[        ] (lldb)     safequit
[ +108 ms] Process 379 detached
[  +25 ms] Application launched on the device. Waiting for observatory port.
[ +467 ms] Observatory URL on device: http://<IP_ADDRESS>:51504/
[        ] attempting to forward device port 51504 to host port 1024
[        ] executing: /usr/local/bin/iproxy 1024 51504
c7bf889a774625d170be2dda9f0d0966e8df8d33
[   +8 ms] attempting to forward device port 51504 to host port 1025
[        ] executing: /usr/local/bin/iproxy 1025 51504
c7bf889a774625d170be2dda9f0d0966e8df8d33
[   +7 ms] attempting to forward device port 51504 to host port 1026
[        ] executing: /usr/local/bin/iproxy 1026 51504
c7bf889a774625d170be2dda9f0d0966e8df8d33
[   +7 ms] attempting to forward device port 51504 to host port 1027
[        ] executing: /usr/local/bin/iproxy 1027 51504
c7bf889a774625d170be2dda9f0d0966e8df8d33
[   +7 ms] attempting to forward device port 51504 to host port 1028
[        ] executing: /usr/local/bin/iproxy 1028 51504
c7bf889a774625d170be2dda9f0d0966e8df8d33
[   +7 ms] attempting to forward device port 51504 to host port 1029
[        ] executing: /usr/local/bin/iproxy 1029 51504
c7bf889a774625d170be2dda9f0d0966e8df8d33
[   +7 ms] attempting to forward device port 51504 to host port 1030
[        ] executing: /usr/local/bin/iproxy 1030 51504
c7bf889a774625d170be2dda9f0d0966e8df8d33
[   +7 ms] attempting to forward device port 51504 to host port 1031
[        ] executing: /usr/local/bin/iproxy 1031 51504
c7bf889a774625d170be2dda9f0d0966e8df8d33
[   +7 ms] attempting to forward device port 51504 to host port 1032
[        ] executing: /usr/local/bin/iproxy 1032 51504
c7bf889a774625d170be2dda9f0d0966e8df8d33
[   +7 ms] attempting to forward device port 51504 to host port 1033
[        ] executing: /usr/local/bin/iproxy 1033 51504
c7bf889a774625d170be2dda9f0d0966e8df8d33
[   +7 ms] attempting to forward device port 51504 to host port 1034
[        ] executing: /usr/local/bin/iproxy 1034 51504
c7bf889a774625d170be2dda9f0d0966e8df8d33
[   +7 ms] attempting to forward device port 51504 to host port 1035
[        ] executing: /usr/local/bin/iproxy 1035 51504
c7bf889a774625d170be2dda9f0d0966e8df8d33
[   +8 ms] attempting to forward device port 51504 to host port 1036
[        ] executing: /usr/local/bin/iproxy 1036 51504
c7bf889a774625d170be2dda9f0d0966e8df8d33
[   +7 ms] attempting to forward device port 51504 to host port 1037
[        ] executing: /usr/local/bin/iproxy 1037 51504
c7bf889a774625d170be2dda9f0d0966e8df8d33
[   +7 ms] attempting to forward device port 51504 to host port 1038
[        ] executing: /usr/local/bin/iproxy 1038 51504
c7bf889a774625d170be2dda9f0d0966e8df8d33
[   +7 ms] attempting to forward device port 51504 to host port 1039
[        ] executing: /usr/local/bin/iproxy 1039 51504
c7bf889a774625d170be2dda9f0d0966e8df8d33
[+1007 ms] Forwarded port ForwardedPort HOST:1039 to DEVICE:51504
[        ] Forwarded host port 1039 to device port 51504 for Observatory
[   +1 ms] Installing and launching... (completed in 12.6s)
[   +3 ms] Connecting to service protocol: http://<IP_ADDRESS>:1039/
[ +192 ms] Successfully connected to service protocol:
http://<IP_ADDRESS>:1039/
[   +2 ms] Sending to VM service: getVM({})
[   +6 ms] Result: {type: VM, name: vm, architectureBits: 64, targetCPU:
dbc, hostCPU: Unknown, version:
2.1.2-dev.0.0.flutter-0a7dcf17eb (Tue Feb 12 01:59:15 2019 +0000) on
"ios_dbc", _profilerMode: VM,
_nativeZoneMemoryUsage: 0, pid: 379, startTime:<PHONE_NUMBER>347,...
[   +4 ms] Sending to VM service: getIsolate({isolateId:
isolates/980487905})
[   +2 ms] Sending to VM service: _flutter.listViews({})
[   +4 ms] Result: {type: FlutterViewList, views: [{type: FlutterView, id:
_flutterView/0x125d0d5e8, isolate: {type:
@Isolate, fixedId: true, id: isolates/980487905, name:
main.dart$main-980487905, number: 980487905}}]}
[   +4 ms] DevFS: Creating new filesystem on the device (null)
[        ] Sending to VM service: _createDevFS({fsName: hello_world})
[  +29 ms] Result: {type: Isolate, fixedId: true, id: isolates/980487905,
name: main.dart:main(), number: 980487905,
_originNumber: 980487905, startTime:<PHONE_NUMBER>366, _heaps: {new: {type:
HeapSpace, name: new, vmName: Scavenger,
collections: 1, avgCollectionPeriod...
[  +10 ms] Result: {type: FileSystem, name: hello_world, uri:
file:///private/var/mobile/Containers/Data/Application/2AC55008-1689-48DC-A82E-B6AC616BB853/tmp/hello_worldspAm5V/he
llo_world/}
[        ] DevFS: Created new filesystem on the device
(file:///private/var/mobile/Containers/Data/Application/2AC55008-1689-48DC-A82E-B6AC616BB853/tmp/hello_worldspAm5V/h
ello_world/)
[   +1 ms] Updating assets
[ +147 ms] Syncing files to device David Krinker’s iPhone...
[   +1 ms] DevFS: Starting sync from LocalDirectory:
'/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world'
[        ] Scanning project files
[  +34 ms] Scanning package files
[ +178 ms] Scanning asset files
[   +1 ms] Scanning for deleted files
[   +8 ms] Compiling dart to kernel with 456 updated files
[   +5 ms]
/Users/davidkrinker/Development/flutter/bin/cache/dart-sdk/bin/dart
/Users/davidkrinker/Development/flutter/bin/cache/artifacts/engine/darwin-x64/frontend_server.dart.snapshot
--sdk-root
/Users/davidkrinker/Development/flutter/bin/cache/artifacts/engine/common/flutter_patched_sdk/
--incremental --strong --target=flutter --output-dill build/app.dill
--packages
/Users/davidkrinker/Development/flutter-projects/hello_world/hello_world/.packages
--filesystem-scheme
org-dartlang-root
[+1273 ms] Updating files
[ +128 ms] DevFS: Sync finished
[        ] Syncing files to device David Krinker’s iPhone... (completed in
1,633ms)
[        ] Synced 0.8MB.
[   +1 ms] Sending to VM service: _flutter.listViews({})
[   +5 ms] Result: {type: FlutterViewList, views: [{type: FlutterView, id:
_flutterView/0x125d0d5e8, isolate: {type:
@Isolate, fixedId: true, id: isolates/980487905, name:
main.dart$main-980487905, number: 980487905}}]}
[   +1 ms] Connected to _flutterView/0x125d0d5e8.
[   +1 ms] 🔥  To hot reload changes while running, press "r". To hot
restart (and rebuild state), press "R".
[        ] An Observatory debugger and profiler on David Krinker’s iPhone
is available at: http://<IP_ADDRESS>:1039/
[        ] For a more detailed help message, press "h". To detach, press
"d"; to quit, press "q".
On April 25, 2019 at 10:54:53 AM, Danny Tuppeny<EMAIL_ADDRESS>wrote:
@Dkrinker https://github.com/Dkrinker can you post the exact output
from flutter
run -v showing the error (and also which Flutter version you have). Thanks!
—
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Great, I'm not sure specifically what fixed it, but glad it's sorted :-)
Since this issue is now over a year old and it's hard a lot of different issues mixed together and hard to track, I'll close this and ask that anyone still having this problem ensures they're at least version 1.2.1 of Flutter (the current stable version) and open a new issue and include the output of flutter version -v and flutter run -v (ideally as an attachment or Gist if it's long) with the error message. Feel free to ping me on it.
If you're only seeing the issue from VS Code, then use the Dart: Capture Logs command to get the verbose log.
Thanks!

I am still seeing this
[   +2 ms] Waiting for observatory port to be available...
[ +329 ms] Observatory URL on device: http://<IP_ADDRESS>:38141/iaGASzidvQQ=/
[   +4 ms] executing: C:\Users\vkapo\AppData\Local\Android\sdk\platform-tools\adb.exe -s a18d22c9 forward tcp:0
tcp:38141
[  +33 ms] 55365
[   +1 ms] Forwarded host port 55365 to device port 38141 for Observatory
[   +4 ms] Connecting to service protocol: http://<IP_ADDRESS>:55365/iaGASzidvQQ=/
[  +15 ms] Error connecting to the service protocol: HttpException: Connection closed before full header was received,
uri =

@vikramkapoor since this is closed and to avoid confusion with other problems above (the original issue here has a different error), please open a new issue and @ mention me on it.
Please include the full output of flutter doctor -v (note the -v!) and also confirm what you see if you open that link in the message in your browser yourself. Thanks!

@DanTup I have created a new issue. Thanks!

I solved this by using a Pie image, in stead of a Q image, when making my VM

The strangest thing. I was going through this same exact problem. I managed to fix it by switching my usb connection on my mac from one usb port to another. Boom it works. Weird.

I mange to make it work by disconnecting the Wifi & enabling the cellular network. Then reverse the step once the app is installed on my phone.
Cheers

Disabling wifi on the ios device get's me around this issue.

same as android

@mosn YES! turning off personal hotspot worked for me. I think it's because MacOS gives your phone a WAN IP address if hotspot is on, and if it's off, it gets a normal locally scoped IP.

我的解决方案是重新插拔连接线。有可能是连接不稳定

I fixed it by re-pluging the iPhone.

another trick that sometimes works for me is to toggle off cellular data on my iphone.


Fix redundant code in redshift data hook and aws base async hook

make a common function to get the AWS connection details so that we remove the redundant code.

Tried fixing the redundant code in the redshift data hook and AWS base async hook, fixed AWS Base async hook code used AwsConnectionWrapper for getting the connection params which we don't need to cover the details from our end, it will cover all the missing params passed in the AWS connections. This will also cover removing the redundant from the AwsBaseHookAsync class which is covered in this PR. But this can't be applicable because in async redshift SQL and data use same hook for getting the DB details, cluster details, and key for AWS secret and access is different which we need to cover