Clojurians Log v2

Hello all, is figwheel use what version of cljsbuild?

I´m getting the error

Failed to compile "public/js/app.js" in 4.407 seconds.
----  Exception    ----

  JSON error (end-of-file)

----  Exception Stack Trace  ----

java.io.EOFException: JSON error (end-of-file)