Java finished with non-zero exit value 2 - Android Gradle

Question

I\'m getting this error executing my Android app (I cleaned it and then built it, but the error is still present)

• Sync: OK
• Make Project: OK

Answer 1

My problem was that apart from having

com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command '/Library/Java/JavaVirtualMachines/jdk1.X.X_XX.jdk/Contents/Home/bin/java'' finished with non-zero exit value 2

I had this trace as well:

Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/mypackage/ClassX;

The problem was that I was adding the same class in two differents libraries. Removing the class/jar file from one of the libraries, the project run properly