gloss problem

gistfile1.clj

(use 'gloss.io 'gloss.core)

(defcodec r {:m (string :utf-8 :length 4)
	     :t :uint32 
             :s :uint32 
             :d (string :utf-8)})

(def g (encode r {:m "food" :t 2 :s 4 :d "barf"}))

;;user> g
;;(#<HeapByteBuffer java.nio.HeapByteBuffer[pos=0 lim=4 cap=4]> #<HeapByteBuffer java.nio.HeapByteBuffer[pos=0 lim=4 cap=4]> #<HeapByteBuffer java.nio.HeapByteBuffer[pos=0 lim=4 cap=4]> #<HeapByteBuffer java.nio.HeapByteBuffer[pos=0 lim=4 cap=4]>)

(decode r g)

;;Insufficient bytes to decode frame.
;;  [Thrown class java.lang.Exception]

;; same issue with code from the gloss wiki

(defcodec animal (enum :int16 :dog :cat :horse))

(defcodec pet
    {:name (string :utf-8 :delimiter "\n") 
     :type animal})

(def goober (encode pet {:name "goober" :type :cat}))
(decode pet goober)

Insufficient bytes to decode frame.
  [Thrown class java.lang.Exception]