Issue running examples

[rggelinas]

When executing in leiningen, I'm receiving the following:

Exception in thread "main" java.lang.NullPointerException, compiling:(/private/var/folders/hp/k569rsd54h370bjl2hn1y3580000gp/T/form-init5429585741174655622.clj:1:125)
at clojure.lang.Compiler.load(Compiler.java:7239)
at clojure.lang.Compiler.loadFile(Compiler.java:7165)
at clojure.main$load_script.invoke(main.clj:275)
at clojure.main$init_opt.invoke(main.clj:280)
at clojure.main$initialize.invoke(main.clj:308)
at clojure.main$null_opt.invoke(main.clj:343)
at clojure.main$main.doInvoke(main.clj:421)
at clojure.lang.RestFn.invoke(RestFn.java:421)
at clojure.lang.Var.invoke(Var.java:383)
at clojure.lang.AFn.applyToHelper(AFn.java:156)
at clojure.lang.Var.applyTo(Var.java:700)
at clojure.main.main(main.java:37)
Caused by: java.lang.NullPointerException
at clojure.lang.Reflector.invokeInstanceMethod(Reflector.java:26)
at saml20_clj.sp$make_saml_decrypter.invoke(sp.clj:220)
at saml20_clj.routes$saml_routes.invoke(routes.clj:104)
at demo_sp$_main.invoke(demo_sp.clj:60)
at clojure.lang.Var.invoke(Var.java:375)
at user$eval7434.invoke(form-init5429585741174655622.clj:1)
at clojure.lang.Compiler.eval(Compiler.java:6782)
at clojure.lang.Compiler.eval(Compiler.java:6772)
at clojure.lang.Compiler.load(Compiler.java:7227)
... 11 more

Any ideas?