flutter build error: Execution failed for task ':firebase_core:compileDebugJavaWithJavac'

Question

I am using flutter version 2.2.2 and the latest android studio for the moment. I have a Flutter project that worked fine few months ago, but now - after upgrading flutter and dart - it does not run.

I tried downgrading flutter and dart, but kept getting the same error when running:

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':firebase_core:compileDebugJavaWithJavac'.
> java.time.DateTimeException: Invalid value for MonthOfYear (valid values 1 - 12): 0

* 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 18s
Exception: Gradle task assembleDebug failed with exit code 1

I have this pubspec.yaml dependencies:

environment:
  sdk: ">=2.7.0 <3.0.0"

dependencies:
  flutter:
    sdk: flutter
  http: ^0.12.2
  email_validator: '^1.0.5'
  path_provider: ^1.6.18
  social_share: ^2.0.5
  firebase_admob: ^0.10.2

I tried changing firebase_admob to google_mobile_ads but that did not solve the problem either.

I am already using AndroidX.

Can any body see a problem? Does anybody have a possible solution? Thanks!

Gefen Hajaj · Accepted Answer · 2021-06-22 17:16:17Z

1

The problem was with the JAVA DEVELOPMENT KIT version. I changed it to version 11.0.11 and it worked just fine. To do that, download the right JDK and change the JAVA_HOME environment variable.

IMPORTANT: a Java version too new might not work as well. Version 11 should be fine (and 8 as others over the internet stated).

answered Jun 22, 2021 at 17:16

Gefen Hajaj

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2 Comments

ibnɘꟻ Over a year ago

So, I should register JAVA_HOME variable inside ~/.zshrc file right? And also run source ~/.zshrc to reflect the changes, right? Btw, I'm using Zsh.

Gefen Hajaj Over a year ago

It does not matter how you change the env variable, but the way you mentioned is supposed to work just fine.

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