error connecting to service protocol

[milanpurbia26]

PS F:\flutter\newapp> flutter run --verbose
[ +99 ms] executing: [C:\Users\milan\Documents\flutter/] git -c log.showSignature=false log -n 1 --pretty=format:%H
[+1017 ms] Exit code 0 from: git -c log.showSignature=false log -n 1 --pretty=format:%H
[ +2 ms] f4abaa0735eba4dfd8f33f73363911d63931fe03
[ +1 ms] executing: [C:\Users\milan\Documents\flutter/] git tag --points-at
f4abaa0735eba4dfd8f33f73363911d63931fe03
[ +70 ms] Exit code 0 from: git tag --points-at f4abaa0735eba4dfd8f33f73363911d63931fe03
[ ] 2.2.3
[ +9 ms] executing: [C:\Users\milan\Documents\flutter/] git rev-parse --abbrev-ref --symbolic @{u}
[ +55 ms] Exit code 0 from: git rev-parse --abbrev-ref --symbolic @{u}
[ ] origin/stable
[ ] executing: [C:\Users\milan\Documents\flutter/] git ls-remote --get-url origin
[ +51 ms] Exit code 0 from: git ls-remote --get-url origin
[ ] https://github.com/flutter/flutter.git
[ +285 ms] executing: [C:\Users\milan\Documents\flutter/] git rev-parse --abbrev-ref HEAD
[ +44 ms] Exit code 0 from: git rev-parse --abbrev-ref HEAD
[ ] stable
[ +118 ms] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'FlutterWebSdk' is not required, skipping update.
[ +4 ms] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'LinuxEngineArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
[ +106 ms] executing: C:\Users\milan\AppData\Local\Android\sdk\platform-tools\adb.exe devices -l
[ +68 ms] List of devices attached
42001e37fc5a9209 device product:o5ltedd model:SM_G550FY device:o5lte transport_id:3
[ +11 ms] C:\Users\milan\AppData\Local\Android\sdk\platform-tools\adb.exe -s 42001e37fc5a9209 shell getprop
[ +136 ms] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
[ +1 ms] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
[ +4 ms] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'LinuxEngineArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
[ ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
[ +129 ms] Skipping pub get: version match.
[ +149 ms] Generating F:\flutter\newapp\android\app\src\main\java\io\flutter\plugins\GeneratedPluginRegistrant.java
[ +76 ms] ro.hardware = universal3475
[ +1 ms] ro.build.characteristics = phone
[ +74 ms] Initializing file store
[ +13 ms] Skipping target: gen_localizations
[ +13 ms] complete
[ +8 ms] Launching lib\main.dart on SM G550FY in debug mode...
[ +9 ms] C:\Users\milan\Documents\flutter\bin\cache\dart-sdk\bin\dart.exe --disable-dart-dev
C:\Users\milan\Documents\flutter\bin\cache\artifacts\engine\windows-x64\frontend_server.dart.snapshot --sdk-root
C:\Users\milan\Documents\flutter\bin\cache\artifacts\engine\common\flutter_patched_sdk/ --incremental
--target=flutter --debugger-module-names --experimental-emit-debug-metadata -DFLUTTER_WEB_AUTO_DETECT=true
--output-dill C:\Users\milan\AppData\Local\Temp\flutter_tools.cf5d86c\flutter_tool.2c54e81c\app.dill --packages
F:\flutter\newapp.dart_tool\package_config.json -Ddart.vm.profile=false -Ddart.vm.product=false --enable-asserts
--track-widget-creation --filesystem-scheme org-dartlang-root --initialize-from-dill
build\3c113a45063dc6628e68a4111abcacad.cache.dill.track.dill --enable-experiment=alternative-invalidation-strategy
[ +18 ms] executing: C:\Users\milan\AppData\Local\Android\sdk\build-tools\30.0.3\aapt dump xmltree
F:\flutter\newapp\build\app\outputs\flutter-apk\app.apk AndroidManifest.xml
[ +92 ms] Exit code 0 from: C:\Users\milan\AppData\Local\Android\sdk\build-tools\30.0.3\aapt dump xmltree
F:\flutter\newapp\build\app\outputs\flutter-apk\app.apk AndroidManifest.xml
[ +1 ms] N: android=http://schemas.android.com/apk/res/android
E: manifest (line=2)
A: android:versionCode(0x0101021b)=(type 0x10)0x1
A: android:versionName(0x0101021c)="1.0.0" (Raw: "1.0.0")
A: android:compileSdkVersion(0x01010572)=(type 0x10)0x1e
A: android:compileSdkVersionCodename(0x01010573)="11" (Raw: "11")
A: package="com.example.newapp" (Raw: "com.example.newapp")
A: platformBuildVersionCode=(type 0x10)0x1e
A: platformBuildVersionName=(type 0x10)0xb
E: uses-sdk (line=7)
A: android:minSdkVersion(0x0101020c)=(type 0x10)0x10
A: android:targetSdkVersion(0x01010270)=(type 0x10)0x1e
E: uses-permission (line=14)
A: android:name(0x01010003)="android.permission.INTERNET" (Raw: "android.permission.INTERNET")
E: application (line=16)
A: android:label(0x01010001)="newapp" (Raw: "newapp")
A: android:icon(0x01010002)=@0x7f080000
A: android:debuggable(0x0101000f)=(type 0x12)0xffffffff
A: android:appComponentFactory(0x0101057a)="androidx.core.app.CoreComponentFactory" (Raw:
"androidx.core.app.CoreComponentFactory")
E: activity (line=21)
A: android:theme(0x01010000)=@0x7f0a0000
A: android:name(0x01010003)="com.example.newapp.MainActivity" (Raw:
"com.example.newapp.MainActivity")
A: android:launchMode(0x0101001d)=(type 0x10)0x1
A: android:configChanges(0x0101001f)=(type 0x11)0x40003fb4
A: android:windowSoftInputMode(0x0101022b)=(type 0x11)0x10
A: android:hardwareAccelerated(0x010102d3)=(type 0x12)0xffffffff
E: meta-data (line=35)
A: android:name(0x01010003)="io.flutter.embedding.android.NormalTheme" (Raw:
"io.flutter.embedding.android.NormalTheme")
A: android:resource(0x01010025)=@0x7f0a0001
E: meta-data (line=45)
A: android:name(0x01010003)="io.flutter.embedding.android.SplashScreenDrawable" (Raw:
"io.flutter.embedding.android.SplashScreenDrawable")
A: android:resource(0x01010025)=@0x7f040000
E: intent-filter (line=49)
E: action (line=50)
A: android:name(0x01010003)="android.intent.action.MAIN" (Raw: "android.intent.action.MAIN")
E: category (line=52)
A: android:name(0x01010003)="android.intent.category.LAUNCHER" (Raw:
"android.intent.category.LAUNCHER")
E: meta-data (line=59)
A: android:name(0x01010003)="flutterEmbedding" (Raw: "flutterEmbedding")
A: android:value(0x01010024)=(type 0x10)0x2
[ +21 ms] executing: C:\Users\milan\AppData\Local\Android\sdk\platform-tools\adb.exe -s 42001e37fc5a9209 shell -x
logcat -v time -t 1
[ +21 ms] <- compile package:newapp/main.dart
[ +313 ms] --------- beginning of main
07-30 12:28:36.773 D/ScanRecord( 6084): first manudata for manu ID
[ +14 ms] executing: C:\Users\milan\AppData\Local\Android\sdk\platform-tools\adb.exe version
[ +52 ms] Android Debug Bridge version 1.0.41
Version 31.0.2-7242960
Installed as C:\Users\milan\AppData\Local\Android\sdk\platform-tools\adb.exe
[ +12 ms] executing: C:\Users\milan\AppData\Local\Android\sdk\platform-tools\adb.exe start-server
[ +59 ms] Building APK
[ +41 ms] Running Gradle task 'assembleDebug'...
[ +11 ms] Using gradle from F:\flutter\newapp\android\gradlew.bat.
[ +25 ms] executing: C:\Program Files\Android\Android Studio\jre\bin\java -version
[ +327 ms] Exit code 0 from: C:\Program Files\Android\Android Studio\jre\bin\java -version
[ ] openjdk version "11.0.8" 2020-07-14
OpenJDK Runtime Environment (build 11.0.8+10-b944.6842174)
OpenJDK 64-Bit Server VM (build 11.0.8+10-b944.6842174, mixed mode)
[ +4 ms] executing: [F:\flutter\newapp\android/] F:\flutter\newapp\android\gradlew.bat -Pverbose=true
-Ptarget-platform=android-arm -Ptarget=F:\flutter\newapp\lib\main.dart
-Pdart-defines=RkxVVFRFUl9XRUJfQVVUT19ERVRFQ1Q9dHJ1ZQ== -Pdart-obfuscation=false -Ptrack-widget-creation=true
-Ptree-shake-icons=false -Pfilesystem-scheme=org-dartlang-root assembleDebug
[+3599 ms] > Task :app:compileFlutterBuildDebug UP-TO-DATE
[ +2 ms] > Task :app:packLibsflutterBuildDebug UP-TO-DATE
[ +10 ms] > Task :app:preBuild UP-TO-DATE
[ +1 ms] > Task :app:preDebugBuild UP-TO-DATE
[ +1 ms] > Task :app:compileDebugAidl NO-SOURCE
[ +1 ms] > Task :app:compileDebugRenderscript NO-SOURCE
[ +1 ms] > Task :app:generateDebugBuildConfig UP-TO-DATE
[ +1 ms] > Task :app:checkDebugAarMetadata UP-TO-DATE
[ +11 ms] > Task :app:cleanMergeDebugAssets
[ +12 ms] > Task :app:mergeDebugShaders UP-TO-DATE
[ +13 ms] > Task :app:compileDebugShaders NO-SOURCE
[ +1 ms] > Task :app:generateDebugAssets UP-TO-DATE
[ +24 ms] > Task :app:mergeDebugAssets
[ +565 ms] > Task :app:copyFlutterAssetsDebug
[ +8 ms] > Task :app:generateDebugResValues UP-TO-DATE
[ +4 ms] > Task :app:generateDebugResources UP-TO-DATE
[ +1 ms] > Task :app:mergeDebugResources UP-TO-DATE
[ +1 ms] > Task :app:createDebugCompatibleScreenManifests UP-TO-DATE
[ +1 ms] > Task :app:extractDeepLinksDebug UP-TO-DATE
[ +3 ms] > Task :app:processDebugMainManifest UP-TO-DATE
[ +4 ms] > Task :app:processDebugManifest UP-TO-DATE
[ +12 ms] > Task :app:processDebugManifestForPackage UP-TO-DATE
[ +71 ms] > Task :app:processDebugResources UP-TO-DATE
[ +3 ms] > Task :app:compileDebugKotlin UP-TO-DATE
[ +1 ms] > Task :app:javaPreCompileDebug UP-TO-DATE
[ +10 ms] > Task :app:compileDebugJavaWithJavac UP-TO-DATE
[ +20 ms] > Task :app:compileDebugSources UP-TO-DATE
[ +150 ms] > Task :app:mergeDebugNativeDebugMetadata NO-SOURCE
[ +54 ms] > Task :app:compressDebugAssets UP-TO-DATE
[ +2 ms] > Task :app:processDebugJavaRes NO-SOURCE
[ +16 ms] > Task :app:mergeDebugJavaResource UP-TO-DATE
[ +80 ms] > Task :app:checkDebugDuplicateClasses UP-TO-DATE
[ +244 ms] > Task :app:dexBuilderDebug UP-TO-DATE
[ +155 ms] > Task :app:desugarDebugFileDependencies UP-TO-DATE
[ +2 ms] > Task :app:mergeExtDexDebug UP-TO-DATE
[ +1 ms] > Task :app:mergeDexDebug UP-TO-DATE
[ +1 ms] > Task :app:mergeDebugJniLibFolders UP-TO-DATE
[ +4 ms] > Task :app:mergeDebugNativeLibs UP-TO-DATE
[ +1 ms] > Task :app:stripDebugDebugSymbols UP-TO-DATE
[ +1 ms] > Task :app:validateSigningDebug UP-TO-DATE
[ +1 ms] > Task :app:packageDebug UP-TO-DATE
[ +1 ms] > Task :app:assembleDebug
[ +1 ms] Deprecated Gradle features were used in this build, making it incompatible with Gradle 7.0.
[ +1 ms] Use '--warning-mode all' to show the individual deprecation warnings.
[ +1 ms] See https://docs.gradle.org/6.7/userguide/command_line_interface.html#sec:command_line_warnings
[ +1 ms] BUILD SUCCESSFUL in 4s
[ +1 ms] 32 actionable tasks: 4 executed, 28 up-to-date
[ +619 ms] Running Gradle task 'assembleDebug'... (completed in 6.1s)
[ +68 ms] calculateSha: LocalDirectory: 'F:\flutter\newapp\build\app\outputs\flutter-apk'/app.apk
[+1344 ms] √ Built build\app\outputs\flutter-apk\app-debug.apk.
[ +241 ms] executing: C:\Users\milan\AppData\Local\Android\sdk\build-tools\30.0.3\aapt dump xmltree
F:\flutter\newapp\build\app\outputs\flutter-apk\app.apk AndroidManifest.xml
[+1086 ms] Exit code 0 from: C:\Users\milan\AppData\Local\Android\sdk\build-tools\30.0.3\aapt dump xmltree
F:\flutter\newapp\build\app\outputs\flutter-apk\app.apk AndroidManifest.xml
[ +1 ms] N: android=http://schemas.android.com/apk/res/android
E: manifest (line=2)
A: android:versionCode(0x0101021b)=(type 0x10)0x1
A: android:versionName(0x0101021c)="1.0.0" (Raw: "1.0.0")
A: android:compileSdkVersion(0x01010572)=(type 0x10)0x1e
A: android:compileSdkVersionCodename(0x01010573)="11" (Raw: "11")
A: package="com.example.newapp" (Raw: "com.example.newapp")
A: platformBuildVersionCode=(type 0x10)0x1e
A: platformBuildVersionName=(type 0x10)0xb
E: uses-sdk (line=7)
A: android:minSdkVersion(0x0101020c)=(type 0x10)0x10
A: android:targetSdkVersion(0x01010270)=(type 0x10)0x1e
E: uses-permission (line=14)
A: android:name(0x01010003)="android.permission.INTERNET" (Raw: "android.permission.INTERNET")
E: application (line=16)
A: android:label(0x01010001)="newapp" (Raw: "newapp")
A: android:icon(0x01010002)=@0x7f080000
A: android:debuggable(0x0101000f)=(type 0x12)0xffffffff
A: android:appComponentFactory(0x0101057a)="androidx.core.app.CoreComponentFactory" (Raw:
"androidx.core.app.CoreComponentFactory")
E: activity (line=21)
A: android:theme(0x01010000)=@0x7f0a0000
A: android:name(0x01010003)="com.example.newapp.MainActivity" (Raw:
"com.example.newapp.MainActivity")
A: android:launchMode(0x0101001d)=(type 0x10)0x1
A: android:configChanges(0x0101001f)=(type 0x11)0x40003fb4
A: android:windowSoftInputMode(0x0101022b)=(type 0x11)0x10
A: android:hardwareAccelerated(0x010102d3)=(type 0x12)0xffffffff
E: meta-data (line=35)
A: android:name(0x01010003)="io.flutter.embedding.android.NormalTheme" (Raw:
"io.flutter.embedding.android.NormalTheme")
A: android:resource(0x01010025)=@0x7f0a0001
E: meta-data (line=45)
A: android:name(0x01010003)="io.flutter.embedding.android.SplashScreenDrawable" (Raw:
"io.flutter.embedding.android.SplashScreenDrawable")
A: android:resource(0x01010025)=@0x7f040000
E: intent-filter (line=49)
E: action (line=50)
A: android:name(0x01010003)="android.intent.action.MAIN" (Raw: "android.intent.action.MAIN")
E: category (line=52)
A: android:name(0x01010003)="android.intent.category.LAUNCHER" (Raw:
"android.intent.category.LAUNCHER")
E: meta-data (line=59)
A: android:name(0x01010003)="flutterEmbedding" (Raw: "flutterEmbedding")
A: android:value(0x01010024)=(type 0x10)0x2
[ +10 ms] Stopping app 'app.apk' on SM G550FY.
[ +1 ms] executing: C:\Users\milan\AppData\Local\Android\sdk\platform-tools\adb.exe -s 42001e37fc5a9209 shell am
force-stop com.example.newapp
[+1918 ms] executing: C:\Users\milan\AppData\Local\Android\sdk\platform-tools\adb.exe -s 42001e37fc5a9209 shell pm
list packages com.example.newapp
[+1779 ms] package:com.example.newapp
[ +2 ms] executing: C:\Users\milan\AppData\Local\Android\sdk\platform-tools\adb.exe -s 42001e37fc5a9209 shell cat
/data/local/tmp/sky.com.example.newapp.sha1
[ +66 ms] 12aaf172e0b7755be328c3ac81fed5f1f9718465
[ +1 ms] Latest build already installed.
[ ] executing: C:\Users\milan\AppData\Local\Android\sdk\platform-tools\adb.exe -s 42001e37fc5a9209 shell -x
logcat -v time -t 1
[ +289 ms] --------- beginning of main
07-30 12:28:50.043 I/PersonaManager( 2775): mKnoxInfo is empty
[ +8 ms] executing: C:\Users\milan\AppData\Local\Android\sdk\platform-tools\adb.exe -s 42001e37fc5a9209 shell am
start -a android.intent.action.RUN -f 0x20000000 --ez enable-background-compilation true --ez enable-dart-profiling
true --ez enable-checked-mode true --ez verify-entry-points true com.example.newapp/com.example.newapp.MainActivity
[+2839 ms] Starting: Intent { act=android.intent.action.RUN flg=0x20000000 cmp=com.example.newapp/.MainActivity (has
extras) }
[ +2 ms] Waiting for observatory port to be available...
[+1212 ms] Observatory URL on device: http://127.0.0.1:56401/3EP0dr9YmCM=/
[ +1 ms] executing: C:\Users\milan\AppData\Local\Android\sdk\platform-tools\adb.exe -s 42001e37fc5a9209 forward
tcp:0 tcp:56401
[ +33 ms] 65122
[ +1 ms] Forwarded host port 65122 to device port 56401 for Observatory
[ +11 ms] Caching compiled dill
[ +234 ms] Connecting to service protocol: http://127.0.0.1:65122/3EP0dr9YmCM=/
[ +43 ms] Fail to connect to service protocol: http://127.0.0.1:65122/3EP0dr9YmCM=/: HttpException: Connection
closed before full header was received, uri = http://127.0.0.1:65122/3EP0dr9YmCM=/ws
[ +6 ms] Error connecting to the service protocol: failed to connect to http://127.0.0.1:65122/3EP0dr9YmCM=/
[ +8 ms] "flutter run" took 18,854ms.
[ +11 ms]
#0 throwToolExit (package:flutter_tools/src/base/common.dart:10:3)
#1 RunCommand.runCommand (package:flutter_tools/src/commands/run.dart:663:9)

#2 FlutterCommand.run.
(package:flutter_tools/src/runner/flutter_command.dart:1043:27)

#3 AppContext.run. (package:flutter_tools/src/base/context.dart:150:19)

#4 CommandRunner.runCommand (package:args/command_runner.dart:196:13)

#5 FlutterCommandRunner.runCommand.
(package:flutter_tools/src/runner/flutter_command_runner.dart:284:9)

#6 AppContext.run. (package:flutter_tools/src/base/context.dart:150:19)

#7 FlutterCommandRunner.runCommand
(package:flutter_tools/src/runner/flutter_command_runner.dart:232:5)

#8 run.. (package:flutter_tools/runner.dart:62:9)

#9 AppContext.run. (package:flutter_tools/src/base/context.dart:150:19)

#10 main (package:flutter_tools/executable.dart:91:3)

[ +263 ms] ensureAnalyticsSent: 255ms
[ +2 ms] Running shutdown hooks
[ +1 ms] Shutdown hooks complete
[ +1 ms] exiting with code 2

[are]

I'm sorry, but this is not related to PubNub Dart SDK in any way, have you tried looking for support on the Flutter repository?