Re: [Jung-support] Send graph into swing .

[Joshua O'M. <jos...@gm...>]

Where does the stack trace say that the error is?

On Mon, Oct 1, 2012 at 4:05 PM, José Barbosa <jba...@ip...> wrote:

>  Thnak you Joshua.
> I've print the stack trace, but with no success.
> I just don't understand why give this error because I print the graph just
> before and is OK.
>
> Thank you anyway.
>
> Em 01-10-2012 17:24, Joshua O'Madadhain escreveu:
>
> José, you're asking us about a NullPointerException inside your code,
> which we can't see, so there isn't anything we really can do to help.
>
>  I suggest looking at the stack trace for the NPE; that should tell you
> precisely where the error is.
>
>  Joshua
>
> On Mon, Oct 1, 2012 at 7:58 AM, José Barbosa <jba...@ip...> wrote:
>
>>  Hello,
>>
>> I've 2 classes... I create, on the first one, the Jung graph. I want to
>> send this graph to another classe method where I create the visualizer.
>> The problem is that it gives me a Null Pointer Exception ...
>>
>> Code snap:
>>
>> Agraph = createGraph();    // creates a graph and returns the graph into
>> Agraph
>>
>> gui_conveyorSystem.displayGraph(Agraph); // sends the graph to a method
>> in other class... Gives error here...
>>
>>
>> Any idea why? What I've to do not to give error?
>>
>> Thanks in advance.
>>
>> José
>>
>>
>>
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>>
>
>
>  --
> jos...@gm.........sites.google.com/site/joshuaomadadhain/
>    Joshua O'Madadhain: Information Scientist, Musician, Philosopher-At-Tall
> It's that moment of dawning comprehension that I live for.  -- Bill
> Watterson
>  My opinions are too rational and insightful to be those of any
> organization.
>
>
> --
> José Barbosa
> Polytechnic Institute of Bragança
> Quinta Sta Apolónia, Apartado 1134
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>
>


-- 
jos...@gm.........sites.google.com/site/joshuaomadadhain/
   Joshua O'Madadhain: Information Scientist, Musician, Philosopher-At-Tall
It's that moment of dawning comprehension that I live for.  -- Bill
Watterson
 My opinions are too rational and insightful to be those of any
organization.