Hi,
I'm trying to write a java class in clojure, and then call it from
java. But I keep getting IllegalArgumentExceptions.
file hello.clj:
(ns hello
(:gen-class
:methods [ [fooMeth [] String]])
)
(defn -fooMeth [] "fooMeth")
file TestIt2.java:
public class TestIt2 {
public static void main(String argv[]) {
hello h = new hello();
System.out.println(h.fooMeth());
}
}
I compile this in clojure:
c:\Users\dan\workspace\genc>java -cp .;.\classes;clojure.jar -
Dclojure.compile.p
ath=classes clojure.main
Clojure 1.1.0
user=> (compile 'hello)
hello
user=>
The java code compiles fine, but when I try to run it I get an error:
c:\Users\dan\workspace\genc>javac -cp .;.\classes;clojure.jar
TestIt2.java
c:\Users\dan\workspace\genc>java -cp .;.\classes;clojure.jar
TestIt2
Exception in thread "main" java.lang.IllegalArgumentException: Wrong
number of a
rgs passed to: hello$-
fooMeth
at clojure.lang.AFn.throwArity(AFn.java:
449)
at clojure.lang.AFn.invoke(AFn.java:
52)
at hello.fooMeth(Unknown
Source)
at TestIt2.main(TestIt2.java:
5)
What an I doing wrong here? fooMeth takes no arguments and I'm not
passing it any. So why the exception?
Dan
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