There are responses to each of those points, but ultimately you are right that there are tradeoffs. My point was really that Java isn't the only sane server-sid

There are responses to each of those points, but ultimately you are right that there are tradeoffs. My point was really that Java isn't the only sane server-side language, and that Erlang is an entirely sane option. The one thing I will say is that, when I say Erlang has a better concurrency model, I mean that it is much easier to write correct concurrent code in Erlang than in Java.