how to solve Execution failed for task ':app:compileFlutterBuildDebug'

user_13565870 0
Viewed 130898

I was trying to run my Flutter app and this shows up:

    Compiler message:
lib/main.dart:1:8: Error: Not found: 'dart:html'
import 'dart:html';
       ^
Invalid depfile: C:\Users\IMBA\AndroidStudioProjects\mi_card_flutter-master\.dart_tool\flutter_build\410385fb4867e1d74565d68665ecb577\kernel_snapshot.d
Invalid depfile: C:\Users\IMBA\AndroidStudioProjects\mi_card_flutter-master\.dart_tool\flutter_build\410385fb4867e1d74565d68665ecb577\kernel_snapshot.d
...
Compiler message:
lib/main.dart:1:8: Error: Not found: 'dart:html'
import 'dart:html';
       ^
Unhandled exception:
FileSystemException(uri=org-dartlang-untranslatable-uri:dart%3Ahtml; message=StandardFileSystem only supports file:* and data:* URIs)
#0      StandardFileSystem.entityForUri (package:front_end/src/api_prototype/standard_file_system.dart:33:7)
#1      asFileUri (package:vm/kernel_front_end.dart:567:37)
#2      writeDepfile (package:vm/kernel_front_end.dart:760:21)
<asynchronous suspension>
#3      FrontendCompiler.compile (package:frontend_server/frontend_server.dart:536:15)
<asynchronous suspension>
#4      _FlutterFrontendCompiler.compile (package:flutter_frontend_server/server.dart:40:22)
#5      starter (package:flutter_frontend_server/server.dart:178:27)
#6      main (file:///C:/b/s/w/ir/cache/builder/src/flutter/flutter_frontend_server/bin/starter.dart:8:30)
#7      _startIsolate.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:299:32)
#8      _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:168:12)

Target kernel_snapshot failed: Exception: Errors during snapshot creation: null
build failed.

FAILURE: Build failed with an exception.

* Where:
Script 'C:\Users\IMBA\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 882

* What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
> Process 'command 'C:\Users\IMBA\flutter\bin\flutter.bat'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 16s
Exception: Gradle task assembleDebug failed with exit code 1

And something else showed up after I used the --scan flag in the problem section.

java.lang.ClassNotFoundException: com.google.wireless.android.sdk.stats.IntellijIndexingStats$Index
    at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    at com.intellij.util.indexing.counters.IndexCounters.<clinit>(IndexCounters.java:34)
    at com.intellij.util.indexing.impl.MapReduceIndex.<init>(MapReduceIndex.java:94)
    at com.intellij.util.indexing.impl.MapReduceIndex.<init>(MapReduceIndex.java:110)
    at org.jetbrains.jps.backwardRefs.index.CompilerReferenceIndex$CompilerMapReduceIndex.<init>(CompilerReferenceIndex.java:248)
    at org.jetbrains.jps.backwardRefs.index.CompilerReferenceIndex.<init>(CompilerReferenceIndex.java:84)
    at org.jetbrains.jps.backwardRefs.JavaCompilerBackwardReferenceIndex.<init>(JavaCompilerBackwardReferenceIndex.java:12)
    at org.jetbrains.jps.backwardRefs.JavaBackwardReferenceIndexWriter.initialize(JavaBackwardReferenceIndexWriter.java:80)
    at org.jetbrains.jps.incremental.java.JavaBuilder.buildStarted(JavaBuilder.java:149)
    at org.jetbrains.jps.incremental.IncProjectBuilder.runBuild(IncProjectBuilder.java:359)
    at org.jetbrains.jps.incremental.IncProjectBuilder.build(IncProjectBuilder.java:178)
    at org.jetbrains.jps.cmdline.BuildRunner.runBuild(BuildRunner.java:139)
    at org.jetbrains.jps.cmdline.BuildSession.runBuild(BuildSession.java:288)
    at org.jetbrains.jps.cmdline.BuildSession.run(BuildSession.java:121)
    at org.jetbrains.jps.cmdline.BuildMain$MyMessageHandler.lambda$channelRead0$0(BuildMain.java:228)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)

I took all the material of this Flutter app from the appbrewery Flutter course. This happens when I was trying to make the MIcard project. Any thoughts to solving this problem?

dart flutter android-studio android
25 Answers

Something that work for me is: Delete your pubspec.lock, and press 'Pub Get' in your pubspec.yaml, it'll regenerate pubspec.lock file again and should fix the problem.

user_130682920

Go to pubspec.yaml file, try doing Packages get | Pub get, and then build the project again.

user_122577580

I faced the same error and further, I tried:

  1. flutter clean
  2. flutter pub get in the terminal, and the issue solved!
user_135114120

This should work!!!

flutter clean,

flutter pub get,

flutter build appbundle --release --no-tree-shake-icons

user_152723290

Just in case, do this:

IntelliJ/Android Studio: "Edit Configurations" (in your run configurations) → "Additional run args".

VS Code: search for "Flutter run additional args" in your user settings.

Then, add:

--no-sound-null-safety

This fixed the problem for me. What this basically does is that, if you use an import that doesn't support null safety, Flutter ignores it.

user_164676150

Optimizing imports (Ctrl + Alt + O) in Android Studio solved the issue for me. Studio Screenshot

user_147993020

Just faced this issue, I solved it by removing an unused import

import 'dart:js';

the issue started when I added it by mistake, took a while to realize it was the issue

user_115868870

I also tried this, thanks to iapicca

run in your terminal

flutter channel stable

flutter upgrade --force

flutter pub cache repair

next,

cd <YOUR APP FOLDER>

flutter clean

user_134829830

This error happens when indentation is not proper in pubspec.yaml file. Make sure font and other dependencies are having right indentation.

user_101331120

This worked for me.

Deleted build and android/app/build.

user_24962970

delete pubspeck.lock and pub get , didn't solve my problem.

in my case its caused by import 'dart:html';.

VSCode sometimes imports these libs automatically instead of what we want is import 'dart:io';

Look for in your file which has import 'dart:html'; and delete it. then you can run the app again.

user_128388770

Removing .gradle folder helped

Gradle is located at

On Windows: %USERPROFILE%\.gradle

On Mac / UNIX: ~/.gradle
  1. Close android studio.
  2. Remove whole .gradle folder.
  3. Open Android studio and build.
user_59800460

I found solution update flutter sdk.

flutter channel stable

flutter upgrade --force
user_105622000
  1. Go to the pubspec.yaml file and Download packages

OR

  1. Go to Terminal flutter pub get

  2. Upgrade Flutter flutter upgrade --force

  3. Run Flutter App Press F5 or flutter run

user_126353340

Try this, it might work for you

flutter clean,

flutter pub get,

flutter build apk --release --no-tree-shake-icons

If you have flavours then add flavour with the build command. And update the minimumsdk to a higher version compatible with java version.

user_68869320

Delete pubspec.lock file and then flutter clean and flutter pub get . This works like a charm.

user_108265960

I couldn't build for iOS, so I deleted flutter/bin/cache/artifacts. iOS works well then building Android had the same error. I tried flutter upgrade and that solved the problem.

user_5783090

Most of the time for me it's like

  • Misspelled assets name
  • Non-Existing asset/directory name
user_64133870

I managed to solve this problem by reading a different topic here: Recompile with Xlint

First, find your build.gradle file from the Android folder (Android/app/build.gradle)

Then paste the following code inside the android brackets {}:

allprojects {
tasks.withType(JavaCompile) {
    options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation"
}}

I have pasted it at the bottom before the end bracket and it worked for me.

After this, just restart your app and it should work.

user_151703650

In my case, it was because of flutter/bin/cache/artifact folder. Be sure that you didn't manipulate this folder before.

user_74539930
user_175520570

My project was using a lot of generated files from freezed package so I needed to run these commands to fix it.

flutter clean

flutter pub get

flutter packages pub run build_runner build --delete-conflicting-outputs

Then reload VSCode by closing and opening it again and the issue will be fixed.

user_100688790

I faced that problem because of the assets at pubspec.yaml,

the font assets was duplicated, when I dealt with it and deleted the duplicated one, and then run flutter pub get, it works fine now, so check anything wrong like that at the pubspec.yaml.

I faced that problem for a second time, and restarting the PC solved it.

user_64623760

I ended up overcomplicating the problem since it was a font in the Assets/Fonts folder I created and its specification in pubspec.yaml was incorrect.

I had:

- asset: Fonts/my_font.ttf

I needed:

- asset: Assets/Fonts/my_font.ttf
user_108615930

run in your terminal

flutter channel stable

flutter upgrade --force

flutter pub cache repair

next,

cd <YOUR APP FOLDER>

flutter clean

AND create a seperate fluter project using flutter create <app-name> and include the generated ios folder and android folder into your project (obviously you need to delete the current ios and android folders) . If you made changes into these folders consider using version control

user_139450440
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