> Vert.x enables many JVM languages to program it. Perhaps the real problem's with the language you've chosen. Groovy's business purpose is to ensure jobs (i.e. consulting contracts and conference seat sales) for life for its promoters at SpringSource. Choose a language with another mission and that could make all the difference.

The framework and the language are both problems in my opinion. If it was up to me I would have chosen a different framework, messaging system, language, and more. Wasn't my decision to make though.