AppCenter React Native Android build failed Could not download groovy-all-2.4.15.jar (org.codehaus.groovy:groovy-all:2.4.15)

Question

* What went wrong: Execution failed for task ':app:lintVitalRelease'. Could not resolve all files for configuration ':app:lintClassPath'. Could not download groovy-all-2.4.15.jar (org.codehaus.groovy:groovy-all:2.4.15) > Could not get resource 'https://jcenter.bintray.com/org/codehaus/groovy/groovy-all/2.4.15/groovy-all-2.4.15.jar'. > Could not GET 'https://jcenter.bintray.com/org/codehaus/groovy/groovy-all/2.4.15/groovy-all-2.4.15.jar'. > Connection reset

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Answer 1

This happened to me with React Native 0.63 and Flipper version 0.54.

I did this to fix it:

1. Download groovy-all-2.4.15.jar from https://repo1.maven.org/maven2/org/codehaus/groovy/groovy-all/2.4.15/
2. Create the folder android/libs (if you don't have it)
3. Place the .jar file in the folder android/libs (you should check in the .jar file into your repository)
4. In your root build.gradle, add flatDir:

allprojects {
    repositories {
        google()
        mavenLocal()
        mavenCentral()
        jcenter()
        // ...
+        flatDir {
+            dirs "$rootProject.projectDir/libs"
+        }
    }
}

Answer 2

The way I fixed was by adding mavenCentral() before jcenter. I didn't need to do it in all the node_modules. Just in the build.gradle of the app