(defn tt [recaptcha_response_field recaptcha_challenge_field]
  (let [reCaptcha (new ReCaptchaImpl)]
    (.setPrivateKey (reCaptcha "private_key"))
    (println (.checkAnswer(reCaptcha "localhost", recaptcha_challenge_field, recaptcha_response_field)))
    )
  (resp/redirect "/register"))

; error
java.lang.ClassCastException
net.tanesha.recaptcha.ReCaptchaImpl cannot be cast to clojure.lang.IFn
auth.clj:73 codeup.routes.auth/tt
auth.clj:85 codeup.routes.auth/fn
core.clj:93 compojure.core/make-route[fn]
core.clj:39 compojure.core/if-route[fn]
core.clj:24 compojure.core/if-method[fn]
core.clj:106    compojure.core/routing[fn]
core.clj:2443   clojure.core/some
core.clj:106    compojure.core/routing
RestFn.java:139 clojure.lang.RestFn.applyTo
core.clj:619    clojure.core/apply
core.clj:111    compojure.core/routes[fn]
core.clj:106    compojure.core/routing[fn]
core.clj:2443   clojure.core/some
core.clj:106    compojure.core/routing
RestFn.java:139 clojure.lang.RestFn.applyTo
core.clj:619    clojure.core/apply
core.clj:111    compojure.core/routes[fn]
middleware.clj:46   noir.util.middleware/wrap-request-map[fn]
keyword_params.clj:27   ring.middleware.keyword-params/wrap-keyword-params[fn]
nested_params.clj:65    ring.middleware.nested-params/wrap-nested-params[fn]
params.clj:55   ring.middleware.params/wrap-params[fn]
format_params.clj:98    ring.middleware.format-params/wrap-format-params[fn]
format_params.clj:98    ring.middleware.format-params/wrap-format-params[fn]
format_response.clj:113 ring.middleware.format-response/wrap-format-response[fn]
multipart_params.clj:103    ring.middleware.multipart-params/wrap-multipart-params[fn]
validation.clj:135  noir.validation/wrap-noir-validation[fn]
cookies.clj:66  noir.cookies/noir-cookies[fn]
cookies.clj:160 ring.middleware.cookies/wrap-cookies[fn]
session.clj:141 noir.session/noir-flash[fn]
flash.clj:14    ring.middleware.flash/wrap-flash[fn]
session.clj:96  noir.session/noir-session[fn]
session.clj:43  ring.middleware.session/wrap-session[fn]
cookies.clj:160 ring.middleware.cookies/wrap-cookies[fn]
Var.java:415    clojure.lang.Var.invoke
reload.clj:18   ring.middleware.reload/wrap-reload[fn]
stacktrace.clj:17   ring.middleware.stacktrace/wrap-stacktrace-log[fn]
stacktrace.clj:80   ring.middleware.stacktrace/wrap-stacktrace-web[fn]
jetty.clj:18    ring.adapter.jetty/proxy-handler[fn]
(Unknown Source)    ring.adapter.jetty.proxy$org.eclipse.jetty.server.handler.AbstractHandler$0.handle
HandlerWrapper.java:116 org.eclipse.jetty.server.handler.HandlerWrapper.handle
Server.java:363 org.eclipse.jetty.server.Server.handle
AbstractHttpConnection.java:483 org.eclipse.jetty.server.AbstractHttpConnection.handleRequest
AbstractHttpConnection.java:931 org.eclipse.jetty.server.AbstractHttpConnection.content
AbstractHttpConnection.java:992 org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content
HttpParser.java:856 org.eclipse.jetty.http.HttpParser.parseNext
HttpParser.java:240 org.eclipse.jetty.http.HttpParser.parseAvailable
AsyncHttpConnection.java:82 org.eclipse.jetty.server.AsyncHttpConnection.handle
SelectChannelEndPoint.java:628  org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle
SelectChannelEndPoint.java:52   org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run
QueuedThreadPool.java:608   org.eclipse.jetty.util.thread.QueuedThreadPool.runJob
QueuedThreadPool.java:543   org.eclipse.jetty.util.thread.QueuedThreadPool$3.run
Thread.java:724 java.lang.Thread.run