Indeed if exception is thrown in static initializer block then clojure
import throws exception as well.
The following class will cause this:
package aaa;
public class Test {
static{
Object o = null;
o.toString();
}
}
Then in clojure:
(ns x (:import (aaa Test))
Results in:
Exception in thread "main" java.lang.ExceptionInInitializerError
(core.clj:1)
Why does this happen in clojure? If you do the same in java, import
aaa.Test, then nothing happens. NLP will be thrown when you actualy
try to initialize the class.
On Aug 30, 6:12 am, Stuart Campbell <stu...@harto.org> wrote:
> Hello,
>
> I don't know this library specifically, but the NPE is probably occurring in
> a static initialisation block. I believe static initialisation occurs when
> the class is first loaded.
>
> Regards,
> Stuart
>
> On 30 August 2010 06:42, zm <zygiman...@medelis.lt> wrote:
>
>
>
>
>
> > I am using GATE java libs in my clojure code and behaviour of the
> > application changes after Java class import. I don't even have to
> > initialize it.
>
> > This runs fine (a bit shorter version than it is):
>
> > (ns gate
> > (:import
> > (gate Gate)
> > (java.io File)))
>
> > (defn gate-init
> > [gate-home]
> > (Gate/setGateHome (File. gate-home))
> > (Gate/init)))
>
> > Now if I import gate.Factory class, like this (gate Gate Factory), I
> > get the exception:
>
> > Caused by: java.lang.NullPointerException
> > at gate.Factory.createResource(Factory.java:154)
>
> > How can import of a class cause this?
>
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