Problem with java

[Josué Leal Moura Dantas]

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 exception:
java.lang.reflect.InvocationTargetException", can anyone help me?

--
Josué Leal Moura Dantas

[Gertrude Aquilina]

Hi, I'm doing a similar thing as well. Can you please send me a link of the tutorial or web pages you are following, if any. Thanks a lot it would be of great help!

[Josué Leal Moura Dantas]

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 <mydo...@googlemail.com>

> 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 Josué Leal Moura Dantas <josueleal...@gmail.com>

>> _______________________________________________
>> dev-tech-java mailing list
>> dev-te...@lists.mozilla.org
>> https://lists.mozilla.org/listinfo/dev-tech-java
>>
>
>

--
Josué Leal Moura Dantas

Mestrando em Ciência da Computação (UFPA)
(94) 8117-0893

[Josué Leal Moura Dantas]

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 <mydo...@googlemail.com>

> 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 Josué Leal Moura Dantas <josueleal...@gmail.com>
>
>> Yes, my code is using other jars, but have I to include them in javascript
>> code?
>>
>>
>> 2011/3/23 Markus Doering <mydo...@googlemail.com>
>>
>>> 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 Josué Leal Moura Dantas <josueleal...@gmail.com>

[Josué Leal Moura Dantas]

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 <mydo...@googlemail.com>

> 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 = ['URLSetPolicy.jar', 'Test.jar'];
> var [loader,urls] = this.LiveConnect.initWithPrivs(java,
> 'verCo...@passau.de', jars);
> myClass = loader.loadClass('Test');
> var myObj = myClass.newInstance();
> if (myObj == null) {
> } else {
> var binval = myObj.hello('Hello World test!');
> alert(binval);
> }
> return myObj;
> },