I've migrated to Android Studio 2.0 Preview and I'm getting, no matter what I do, :
Error:Execution failed for task ':transformClassesWithDexForDebug'.
com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'C:\jdk7\bin\java.exe'' finished with non-zero exit value 2
Any help indeed much appreciated!