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I am a highly dedicated Flutter developer with a strong passion for creating impactful apps that enhance productivity, streamline record-keeping, and facilitate data-driven decision making. My goal is to contribute to the success of companies by leveraging my skills in Flutter development.
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In this article, I'll share with you how I fixed a failed flutter build app bundle command.
When I ran flutter build app bundle in my terminal I got the below error.
Execution failed for task ':app:signReleaseBundle'.
> A failure occurred while executing com.android.build.gradle.internal.tasks.FinalizeBundleTask$BundleToolRunnable
> Failed to read key upload from store "/Users/<your folder name>/upload-keystore.jks": Integrity check failed: java.security.NoSuchAlgorithmException: Algorithm HmacPBESHA256 not available
* 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 8s
The likely cause of this error is that the Java version the app is built with is different from the Java version being used to generate the signing key.
To fix run
Run flutter doctor -v
...
[✓] Android toolchain - develop for Android devices (Android SDK version
34.0.0-rc2)
• Android SDK at /Users/<your folder path>/Library/Android/sdk
• Platform android-33, build-tools 34.0.0-rc2
• Java binary at: /Applications/Android
Studio.app/Contents/jre/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 11.0.11+0-b60-7772763)
• All Android licenses accepted.
...
Prefix the keygen command to point to the Java version used to build your app and run your keygen command as shown below.
/Applications/"Android Studio.app"/Contents/jre/jdk/Contents/Home/bin/keytool -genkey -v -keystore ~/upload-keystore.jks -keyalg RSA -keysize 2048 -validity 10000 -alias upload
Run flutter build appbundle and your build will be successful
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