Things to try:

(1) Is the directory that contains "reader" on your classpath?

(2) Does it run with the provided script/repl.sh or script\repl.bat scripts?

Stu

> Hello everyone.
> 
> I am just starting out in Clojure by working through Programming Clojure. I 
> have run into a snag, though, on the reader/tasklist.clj example in chapter 
> 3. I am getting the following error consistently:
> 
> user=> (compile 'reader.tasklist)
> java.lang.ClassNotFoundException: reader.tasklist (tasklist.clj:13)
> 
> Line 13 is this line in the task-list defn:
> 
>    (let [handler (new reader.tasklist)]
> 
> My complete reader/tasklist.clj is:
> 
> (ns reader.tasklist
>  (:gen-class
>   :extends org.xml.sax.helpers.DefaultHandler
>   :state state
>   :init init)
>  (:use [clojure.contrib.duck-streams :only (reader)])
>  (:import [java.io File]
>           [org.xml.sax InputSource]
>           [org.xml.sax.helpers DefaultHandler]
>           [javax.xml.parsers SAXParserFactory]))
> 
> (defn task-list [arg]
>  (let [handler (new reader.tasklist)]
>    (.. SAXParserFactory newInstance newSAXParser
>        (parse (InputSource. (reader (File. arg)))
>               handler))
>    @(.state handler)))
> 
> (defn -main [& args]
>  (doseq [arg args]
>    (println (task-list arg))))
> 
> (defn -init []
>  [[] (atom [])])
> 
> (defn -startElement [this uri local qname atts]
>  (when (= qname "target")
>    (swap! (.state this) conj (.getValue atts "name"))))
> 
> I've compared this very thoroughly to examples/tasklist.clj in the Github 
> dist, but can't find any errors.
> 
> I'm working in a directory that has a "reader" sub-dir and a "classes" 
> sub-dir. "tasklist.clj" is in the "reader" directory. My REPL is launched 
> from my own hand-rolled launcher, but the command it executes is basically:
> 
> java -cp 
> .:/home/users/rjray/lib/clojure/clojure-contrib.jar:/home/users/rjray/lib/clojure/clojure.jar:/home/users/rjray/lib/java/jline.jar
>  jline.ConsoleRunner clojure.main
> 
> Everything up to now has run fine from within the REPL, this is the first 
> time I've tried compiling a class. I get the same error if I try C-c C-k from 
> a SLIME-enabled buffer in Emacs, as well.
> 
> Any suggestions?
> 
> Randy
> 
> -- 
> """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
> Randy J. Ray                 Sunnyvale, CA                 
> http://www.rjray.org
> rj...@blackperl.com                                         
> http://www.svsm.org
> randy.j....@gmail.com
> 
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