Re: [Jython-users] Using JNI together with jython

[Thomas H. <tho...@io...>]

I wrote:
> >C:\work\chip\debugger>jython
> >Jython 2.0beta1 on java1.3.0 (JIT: null)
> >Type "copyright", "credits" or "license" for more information.
> >>>> from ColoredConsole import setColor
> >>>> setColor(10)
> >Traceback (innermost last):
> >  File "<console>", line 1, in ?
> >java.lang.IllegalAccessException
> >...
> >
> >Is it possible to use native methods together with jython?
> 
and Finn replied:
> Generally yes. I have done so extensively in my JNI based "os" module
> implementation. One advice which I remember, is to put your java class
> into a package. 
> 
> [Quoting JimH from 25 Nov 1998:]
> """
> > Does JNI work with jpython?  I've been fiddling with it but haven't
> > gotten it to work.
> I'm guessing that the entire problem here is related to using the
> top-level unnamed package.  I've gone into some of the issues with this
> before, so I won't reiterate them here.  The summary is that whenever
> anything goes wrong with a top-level package, my first suggestion is to
> move it into a real named package.
> """
> 
My problem is solved with the help of Jeff Emanuel who sent
me the right answer: My class containing the native method(s)
was not declared public. It works fine now.

Thanks,

Thomas