Connect to vert.x 2.1.2 remote repl with Light Table

core.clj

(ns example.core
  (:require [vertx.core :as core]
            [vertx.net :as net]
            [vertx.stream :as stream]
            [vertx.repl :as repl]
            [vertx.logging :as log]
            [lighttable.nrepl.handler :refer [lighttable-ops]]))

(def x "try manipulating me")	

(defn print-x [] (log/info (str "x = " x)))

#_(print-x)

(defn init
  []
  (let [server (net/server)]
    
    ; start nrepl server with Light Table middleware on port 9000
    ; in Light Table use 
    ;  Add Connection
    ;   Clojure (remote nREPL) -> localhost:9000
    (repl/start 9000 "127.0.0.1" :middleware [#'lighttable-ops])
    
    (-> server
        (net/on-connect #(do 
                           (print-x)
                           (stream/pump % %)))
        (net/listen 1234 "localhost"))

    (core/on-stop
     (.close server))))

project.clj

(defproject
; ...
  :dependencies [[org.clojure/clojure "1.6.0"]
                 [lein-light-nrepl "0.0.17"]] ; 0.0.18 did not work for me :(
; ...
  :plugins [[lein-vertx "0.3.1"]]             ; use $ lein vertx buildmod 
                                              ;  to build zip with deps
                                              ; use $ vertx runzip <built-zip>
                                              ;  to run module
; ...
)