aleph 0.2.1-alpha2-SNAPSHOT hang when compile

core.clj

(ns alephtest.core
  (:use aleph.core
        aleph.http
        lamina.core
  ))

(defn put-handler
  [ch request]
  (println "######")
  (let [is (:body request)
        out-ch (channel)]
    (while (pos? (.available is))
      (enqueue out-ch (.readLine is))))
  (enqueue ch
           {:status 200
            :headers {"content-type" "text/plain"}
            :body "OK"}))

(defn start [port]
  (start-http-server (wrap-ring-handler (wrap-aleph-handler put-handler)) {:port port}))

(defn -main [& args]
    (start 8675))

project.clj

(defproject alephtest "1.0.0-SNAPSHOT"
  :description "FIXME: write description"
  :dependencies [[org.clojure/clojure "1.2.0"]
                 [aleph "0.2.1-alpha2-SNAPSHOT"]

                 ]
  :main alephtest.core)