Re: Problem with java

I use a similar code, but as you said in jars I made a change and now I can
still run the extension by first time, but the second the following error
appears in the console "Erro: java.net.URL is not a constructor".

2011/3/23 Markus Doering <[email protected]>

> Maybe this will help:
> loadXpcom : function() {
> //Path des LiveConnect Moduls HINT: don't forget to register
> Livconnect modul in manifest
> Components.utils['import']('resource://verConSign/LiveConnectUtils.js',
> this.LiveConnect);
>         var jars =3D ['URLSetPolicy.jar', 'Test.jar'];
>         var [loader,urls] =3D this.LiveConnect.initWithPrivs(java,
> '[email protected]', jars);
> myClass =3D loader.loadClass('Test');
> var myObj =3D myClass.newInstance();
> if (myObj =3D=3D null) {
> } else {
> var binval =3D myObj.hello('Hello World test!');
> alert(binval);
> }
> return myObj;
> },
>
> 2011/3/23 Josu=E9 Leal Moura Dantas <[email protected]>
> >
> > I had already included all the jars that the class uses, but have I
> instantiate the classes too? Even that I had alrealdy included the jars
> where they are?
> >
> > 2011/3/23 Markus Doering <[email protected]>
> >>
> >> I created one JAR from my java project which i included in JavaScript.
> >> I was using other APIs in this java project with external Jars (like
> log4j). But this didn't work. I had to include all sourcefiles directly in
> my java project. Otherwise i got an Exception from the error console of
> Firefox.
> >> I used this tutorial:
> >> https://developer.mozilla.org/en/java_in_firefox_extensions
> >>
> >> 2011/3/23 Josu=E9 Leal Moura Dantas <[email protected]>
> >>>
> >>> Yes, my code is using other jars, but have I to include them in
> javascript code?
> >>>
> >>> 2011/3/23 Markus Doering <[email protected]>
> >>>>
> >>>> Do you use other projets-jars in your BuildPath? This wont work! You
> have to include this Sourcefiles directly into your package!
> >>>>
> >>>> 2011/3/23 Josu=E9 Leal Moura Dantas <[email protected]>
> >>>>>
> >>>>> I've done thsis, but the strange thing is that the first call the
> function works, but in the second time a mentioned error happens, I think
> it's because in my method instantiate many objects of other classes, any
> other suggestions?
> >>>>>
> >>>>> 2011/3/22 Markus Doering <[email protected]>
> >>>>>>
> >>>>>> Hi there,
> >>>>>> make a try-catch throug your code example. And catch this Exception
> with  like this:
> >>>>>> Class Test {
> >>>>>> public static void myMethod (String test) {
> >>>>>> try {
> >>>>>> ...my Code
> >>>>>> } catch (Exception e) {
> >>>>>> e.printStackTrace
> >>>>>> }
> >>>>>> Use always the Generic Exception.
> >>>>>> Enable Browser-Plugin console and you get a correct Exception. You
> must do try and error!
> >>>>>> Good Luck!
> >>>>>> 2011/3/22 Josu=E9 Leal Moura Dantas <[email protected]>
> >>>>>>>
> >>>>>>> I'm making an extension that calls a method of a java class in a
> jar through
> >>>>>>> of the Liveconnect. I got to make the call, but it only do the
> first time, the
> >>>>>>> second the following error is displayed "Error: uncaught exceptio=
n:
> >>>>>>> java.lang.reflect.InvocationTargetException", can anyone help me?
> >>>>>>>
> >>>>>>> --
> >>>>>>> Josu=E9 Leal Moura Dantas
> >>>>>>> _______________________________________________
> >>>>>>> dev-tech-java mailing list
> >>>>>>> [email protected]
> >>>>>>> https://lists.mozilla.org/listinfo/dev-tech-java
> >>>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>> --
> >>>>> Josu=E9 Leal Moura Dantas
> >>>>> Mestrando em Ci=EAncia da Computa=E7=E3o (UFPA)
> >>>>> (94) 8117-0893
> >>>>
> >>>
> >>>
> >>>
> >>> --
> >>> Josu=E9 Leal Moura Dantas
> >>> Mestrando em Ci=EAncia da Computa=E7=E3o (UFPA)
> >>> (94) 8117-0893
> >>
> >
> >
> >
> > --
> > Josu=E9 Leal Moura Dantas
> > Mestrando em Ci=EAncia da Computa=E7=E3o (UFPA)
> > (94) 8117-0893
>



-- =

Josu=E9 Leal Moura Dantas
Mestrando em Ci=EAncia da Computa=E7=E3o (UFPA)
(94) 8117-0893