Minimal case for jdbc leak

gistfile1.clj

(ns montecarlo.web
  (:require [yesql.core :refer :all]))

;; YESQL
(defquery test-query "s1.sql")
(def db-spec {:classname "org.postgresql.Driver"
              :subprotocol "postgresql"
              :subname xxx
              :user xxx
              :password xxx})

(println (test-query db-spec))

gistfile2.clj

:dependencies [[org.clojure/clojure "1.6.0-RC1"]
                 [yesql "0.4.0"]
                 [postgresql "9.1-901-1.jdbc4"]
                 [om "0.5.1"]]