Caused by: org.gradle.internal.resolve.ArtifactResolveException: Could not download groovy-all.jar (org.codehaus.groovy:groovy-all:2.4.12):

[Harimarar127 (Haresh C Marar)]

What to do with this one…?

[cndev123 (Peter Wolf)]

Same for https://jcenter.bintray.com/com/android/tools/build/gradle/3.1.4/gradle-3.1.4.pom. All versions beyond 2.3.0 are missing.