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I am getting this error while building for windows
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft\VC\v160\Microsoft.CppCommon.targets(238,5): error MSB8066: Custom build for 'D:\DSI projects\sanjali_app\build\windows\CMakeFiles\a6c8cc86bdf940a07f4885a881770ba0\flutter_windows.dll.rule;D:\DSI projects\sanjali_app\build\windows\CMakeFiles\9c479cc21d461e620769ab96f5bca778\flutter_assemble.rule' exited with code 1. [D:\DSI projects\sanjali_app\build\windows\flutter\flutter_assemble.vcxproj]
Exception: Build process failed.
Updated Aug 2021
Faced the same error for couple of hours, and none of the issue on Github or answer on StackOverflow seems to be working for me.
So after my research I found out that there is no specific reason why Error MSB8066 error occur, but it can be due to space in your project Folder path as mentioned by #aishamhasan or some other undetermined reason. In my case, there is a simple file that is missing.
Error detected in pubspec.yaml:
[ +2 ms] [ ] No file or variants found for asset: images/project_app.png.
In order to quickly find out what causing this problem, you can run your project from the command line instead of using run functionality on android studio.
flutter run -d windows -v
And inside your verbose, lookout for any error, or you can directly search for Error and then try to figure out what was causing the error.
Followed the same approach and I was able to resolve the error very quickly.
Sometimes I get this error too. I have found that it happens whenever I forget to add a final slash "/" when declaring an assets folder in pubspec.yaml. For example:
This will produce the error:
flutter:
assets:
- assets/
- assets/game_logos
Adding the final slash solves the error:
flutter:
assets:
- assets/
- assets/game_logos/
The solution that worked for me is that I deleted build folder/dir from my project
In my case I had an assets image that I removed from the folder but had the path in pubspec.yaml, so I deleted the path then the app could run in Windows.
Removing spaces on the Projects Folder Path Solves the Issue.
Flutter Issues
I got MSB8066 when I generate python bindings, and fixed this by disabling
BUILD_PYTHON_BINDINGS in CMakeLists.txt
This can happen for a few reasons, an asset's path is missing the slash:
So:
assets:
assets/image
While it should be like this:
assets:
assets/image/
With the slash at the end.
The other more normal one, and which could really be causing such an error, could be the following;
The directory your project is in contains a special character, for example:
C:\Users\Aurélio Fernam\Documents\Projets\my_project
As you can see, "Aurélio" contains a special character. This could be causing this error.
Also try not to have a folder with space in your project path, like this:
C:\Users\Aurélio Fernam\Documents\Projets\my_project
Notice that "Aurélio Fernando/" besides having a special character, contains a space.
This could also be a trigger.
After having moved the project to a better directory, run flutter clean and run the project normally.
I faced the same issue due to some errors were there in some of the dart files. Check for red-underlined errors in the dart files you may have missed. These errors don't allow the project to run. After resolving the errors the project is running fine.
Non-Alphanumeric Characters in the project name also cause it.
I played arround with json in my asset folder. I deleted it and missed to remove it from pubspec as well.
Deleting the build folder in my project fixed the issue for me, you can also run a flutter clean, then run your project again.
In my case I use:
flutter pub get
None of the above methods worked for me.
First, I get an export zip file from project. And extract its content.
And open it, instead of the main project.
Only this worked for me after 1 day. But don't know why!
UPDATE:
This error fix for me when run Android Studio as administrator.
FAILURE: Build failed with an exception.
Where:
Script 'C:\src\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 991
What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
Process 'command 'C:\src\flutter\bin\flutter.bat'' finished with non-zero exit value 1
The solution that worked for me was:
Delete pubspec.lock file
Do flutter pub get
Run the project
And it worked.
I was able to get around this by running with null safety turned off. See this article for details.
dart --no-sound-null-safety run
flutter run --no-sound-null-safety
Maybe this outdated but should help someone.
Yesterday I Just restarted my pc and got this issue. I tried to search for the solution to this problem but nothing works in my case.
Solution
Just delete your flutter folder (Flutter Source) and then reinstall it. Your problem will solve.
First flutter clean then flutter run worked for me. Ref - https://github.com/flutter/flutter/issues/75139. Thanks to https://github.com/darshankawar
Definitely, the problem is from ur Gradle settings.
For me, when I got the error, the problem was from the app/build.gradle file. there, my minSdkVersion was set to 23, so I just changed it to 21 and the error was solved. I will suggest u check your targetSdkVersion is set to 29 and compileSdkVersion is 29. I hope this help you too
In my case, I moved the project folder to D:, flutter clean, pub get and it runs
(In my case this error occurred after I upgrade Android Sdk to 31)
Go to AndroidManifest.xml and Set this to all Activities with
android:exported=true
if you build apk with --obfuscate, don't forget add a dot to head of your
--split-debug-info directory.
flutter build apk --obfuscate --split-debug-info=/projectfolder/debug
to
flutter build apk --obfuscate --split-debug-info=./debug
worked for me
I tried flutter clean, reinstalling SDK. Nothing worked.
My folder name was not correct. It was mvvm,provider test I changed it to mvvm_provider_test. Then it worked.
This error happened when I added a certain plugin. It turned out that the plugin required a minSdkVersion of 18. After I changed that, I did a flutter clean and after that, flutter pub get. So from this, I believe if you just added a recent plugin before you started facing this issue you look through the documentation of that plugin for installation info.
Also, after I did the above I had to restart my pc.
In case you're using flutter in command-line, just add -v which will run any flutter command in verbose mode. This should show you the origin of an error.
Like for me I was building with --split-debug-info and the folder I chose did not exist
In my case, what worked for me was removing the pubspec.lock and then doing a flutter pub get in my vscode command console, being in my project. Then modify the android\app\build.gradle file. inside the file I had compileSdkVersion 30 and update to version 31, being as follows compileSdkVersion 31
Download new Flutter SDK and update flutter path in your project,
And try again
After i upgraded to Android Sdk 31, this came for me. What solved was the answer suggested by #Elias Fazel above but before doing that, i first needed to edit my gradle.properties file. Added the following line :-
org.gradle.jvmargs=-Xmx1536M --add-exports=java.base/sun.nio.ch=ALL-UNNAMED --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.lang.reflect=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED --add-exports=jdk.unsupported/sun.misc=ALL-UNNAMED
This was suggested from here : How to fix the ''module java.base does not "opens java.io" to unnamed module '' error in Android Studio?
After this, i added this line to activity tag in AndroidManifest.xml & then it worked.
android:exported=true
Hope this helps.
In my case the issue was in Git
I have shifted to another branch which was merged and that causes the issue . then
checkout from the master to main problem solved .
For me, the problem was in my pubspec.yaml file. I made some changes to it got this error commented out those changes and now it works fine.
It's related with the Gradle, this issue comes when you have multiple Gradle versions in C:\Users\userName.gradle directory, the solution I made I deleted all directory files in .gradle directory, and restarted the IDE again with default gradle version who comes when you try to create the project at the first time 👉 (gradle-7.4-all.zip) this way works for me.
did face the same issue
"flutter pub cache clean" - running this command solved my issue
hope this becomes helpful
I did not find any solution so i did window again and all required software like flutter android studio etc.
and problem solved.
Updating from Xcode 10.0 beta 2 to Xcode 10.0 beta 3 I now get this error at build time for an iOS project:
sourcekit: [1:connection-event-handler:10499: 0.0000] Connection interruptsourcekit: [1:updateSemanticEditorDelay:10499: 0.0007] disabling semantic editor for 10 secondssourcekit: [1:pingService:10499: 0.0007] pinging servicesourcekitten: connection to SourceKitService restored!
Connection interrupted
Never call this for file that sourcekitd fails.: file File+Cache.swift, line 127
/Users/Coeur/Library/Developer/Xcode/DerivedData/My-App-eloayqptodupvfhbyegtkncnhcpu/Build/Intermediates.noindex/My-App.build/UAT-iphonesimulator/My-App-Debug.build/Script-379156A71D62F5C100574D04.sh: line 2: 34382 Abort trap: 6 "${PODS_ROOT}/SwiftLint/swiftlint"
Command PhaseScriptExecution failed with a nonzero exit code
Swift 4.1
CocoaPods 1.5.3
SwiftLint 0.26.0
Its because of Keychain Access.
Open Keychain Access
Right Click Login Tab
Lock Keychain Login
Right Click Login Tab again
Unlock Keychain Login
and problem solved :)
It seems to be an issue with the SwiftLint 0.26.0 script when using Xcode 10.0 beta 3 or newer.
Cause
It seems related to SwiftLint #2276, itself related to SourceKitten 0.21.0, fixed in SourceKitten 0.21.1 and SwiftLint Master.
Solution
Update to SwiftLint 0.27.0 or newer:
pod 'SwiftLint', '~> 0.27'
(and run pod update SwiftLint)
Some Framework or SDK require Code Signing.
I done code signing and resolved the problem for me.
The pod that I was using was not updated for Xcode 10, so the solution that worked for me was to remove Cocoapods from my project and then installed again (the project was created on Xcode 9).
To remove it, the easiest way is:
$ sudo gem install cocoapods-deintegrate cocoapods-clean
$ pod deintegrate
$ pod clean
After that, install the pods again.
I just restarted my Macbook and it worked.
For me adding arm64 architecture in "Build Setting -> valid architectures" resolved the issue.
I had an authentication process (outside of Xcode) running in the background which seemed to be causing this issue for me. I had the keychain dialog up asking for my password. Solution was to restart the machine.
Solution worked for me
I deleted all pod generated files and folders as listed below
Podfile.lock
Pods folder
ProjectName.xcworkspace
Again install pod for this project.
Now open .xcworkspace. Build and run...
It may cause the iOS 13 version. My error is to look at below
Assignment/Pods-Assignment-frameworks.sh: eval: line 131: unexpected EOF while looking for matching `''
Command PhaseScriptExecution failed with a nonzero exit code
Pods -> Targets Support Files -> Pods-AppName -> Pods-AppName-frameworks.sh.
Just commented particular line 131
# eval "$code_sign_cmd"
then clean and run
For me it was an issue with swiftlint. This happens when ever there are serious errors, for example forced unwrapping that swift lint validates.
The actual SwiftLint errors are not shown. Instead this “Command PhaseScriptExecution failed with a nonzero exit code” error is shown. After a bit struggle, I figured out that if your project's directory name or any its hierarchy folders have an apostrophe 's , then actual swiftlint errors or warnings are not shown even after including the runscript for it.
So I just had to rename my folders.
For example:
User -> Dave's Projects -> Git -> ProjectName
should be changed to
User -> Daves Projects -> Git -> ProjectName
This will show you errors or warnings. You can then fix the errors and hopefully the concerned error will also be fixed.
This issue resolves for me when I wait and let the project complete indexing before I do anything!
Restarting Xcode 10.1 fixed it for me; arose while updating Cocoapods ('RxSwift').
If the directory where your project is has blank spaces that problem occurs
To solve that problem add double quotes(""). For example:
"$(SRCROOT)/my framework/path"
In my case, Apple development certificate got expires.
To verify open Keychain -> My certificates -> check developer certificate is valid or not, If certificate is not valid then follow the below steps.
Open your apple developer account and create a new development certificate
Download and add it in your keychain.
Go to profiles and open your existing development profile and add the newly created certificate.
Download the fresh profile and install it.
Hope this helps you too.
I had this issue on my ionic4 app after I have used cocoapods. My issue was that in Targets->Build Phases->Embed Pods Frameworks, I had a wrong path to Pods-MyApp-frameworks.sh script correcting that path solved the issue for me.
Its because most of the time $PODS_ROOT variable doesn't set after installing pods
For me, there seems to be an issue with the swiftlint script. It was initially this, Which was what was in the doc as of the time of installation
else
echo "warning: SwiftLint not installed, download from https://github.com/realm/SwiftLint"
fi
I resolve the issue by modifying it to
if swiftlint
then
echo "swiftlint installed"
else
echo "warning: SwiftLint not installed, download from https://github.com/realm/SwiftLint"
fi
Not sure, this may be due to my XCode version(10.3)
I resolve the issue by rewrite the .sh file.
Xcode 10 with Swift 3.
1.rename problem.sh file and command+A then command+C.
2.vi *problem*.sh and command+V.
3.:wq! to save the new file.
Then everything will be ok.
If not ok, chmod a+x *problem*.sh and try again.
Only the following helped me.
Delete Podfile.lock
run pod install
Optional - update SwiftLint version
I had a new Macbook and got this error when trying to archive. I forgot to install cocopods in the new machine, so I did, then restarted the computer and restarted Xcode and it worked.
If you're getting
dyld: Library not loaded: /usr/local/opt/readline/lib/libreadline.7.dylib
and a red
Command PhaseScriptExecution failed with a nonzero exit code
You should install the specific version of libreadline that you need
brew install readline
brew list --versions readline
brew switch readline 0.0.0
Trying to get started with EarlGrey , i followed the steps to manually add EarlGrey to the project . But every time i try to build the test target it tends to fail with this error
/EarlGrey-1.0.0/EarlGrey.pch:27:4: "This project requires NS_BLOCK_ASSERTIONS to be undefined."
Anyone else ran into this problem and have suggestions ?
This has been fixed in the recent versions of EarlGrey. Consider updating to the most recent 1.4.0 release
You can enable this in Xcode for the version of your app that you plan to test using EarlGrey, see this for how you can do it: https://stackoverflow.com/a/20378159/5971511
When I want to start my app, I get this:
clang: error: invalid version number in '-mios-simulator-version-min= '
Command /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang failed with exit code 1
What's going on? When I google this error, I'm getting ZERO. This seems to be a very strange failure.
Please apologize, that I can't give more information. It's because I'm completely clueless.
Help!
OK, I've found the solution:
.xcodeproj > General > Deployment Target ----> was empty!
This is not allowed.
Try cleaning your project and/or quitting and relaunching Xcode. I've had various odd problems with Xcode that require one or the other of those things.
In my case there is a space after 8.0 like "8.0 ". When I remove space and re-build error disappears.