How can I set the javac compile version for Play Framework 2.0 to prevent “Unsupported major.minor version”?

Question

A module I am using must have been compiled with Java 1.7, and I only have 1.6.

If I want to for the module to be compiled for a specific version like 1.6, how can I set

Answer 1

I think the only solution is to create the file build.sbt in the root of the project and add

javaHome := Some(file("path_to_your_jdk"))