> This is under clojure 1.2.0, 1.2.1, 1.3.0, though the error messages differ.
>
> Consider a trivial project that `uses` midje:
>
> (ns midje-aot.core
> (:use midje.sweet))
>
> If it's aot-compiled, everything appears to go well:
>
> 1762 $ lein compile
> Copying 6 files to /Users/marick/src/midje-aot/lib
> Copying 1 file to /Users/marick/src/midje-aot/lib/dev
> Compiling midje-aot.core
> Compilation succeeded.
>
> But certain of the namespaces can't be loaded:
>
> 1766 $ lein repl
> REPL started; server listening on localhost port 40437
> user=> (require 'midje.semi-sweet)
> NullPointerException clojure.lang.Compiler.lookupVar (Compiler.java:6780)
>
> What could that exception mean? What's a starting point for debugging?
The full stack trace:
clojure.lang.Compiler.lookupVar (Compiler.java:6780)
clojure.lang.Compiler.isMacro (Compiler.java:6260)
clojure.lang.Compiler.macroexpand1 (Compiler.java:6315)
clojure.lang.Compiler.macroexpand (Compiler.java:6381)
clojure.lang.Compiler.eval (Compiler.java:6449)
clojure.lang.Compiler.eval (Compiler.java:6454)
clojure.lang.Compiler.eval (Compiler.java:6431)
clojure.core/eval (core.clj:2795)
midje.util.report__init.load (:4)
midje.util.report__init.<clinit> (:-1)
java.lang.Class.forName0 (Class.java:-2)
java.lang.Class.forName (Class.java:247)
Line 4 of midje.util.report is unusual in several ways: it precedes the ns
call, adds a second ns call, does an eval, and uses def forms not at the top
level:
(when (= (class clojure.test/report) clojure.lang.MultiFn)
(eval
'(do (require 'clojure.test)
(ns clojure.test)
(defonce old-report clojure.test/report))))
Not sure where the problem is yet, and I have no time to look further tonight,
but perhaps this will help somebody track the root cause.
Stu
Stuart Halloway
Clojure/core
http://clojure.com
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