We use Play Java in production, in fact it plays a central role in our backend. Our entire persistence layer is written in Java. Going forward our new code is

We use Play Java in production, in fact it plays a central role in our backend. Our entire persistence layer is written in Java. Going forward our new code is all in Scala. Not because we ran into issues with Play + Java, we just get fed up with Java's verbosity when dealing with futures and actors.