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

[José B. <jba...@ip...>]

Says that the error is here... when I send the graph into a method in 
other class.

     gui_conveyorSystem.displayGraph(Agraph);

Thanks.

Em 02-10-2012 02:29, Joshua O'Madadhain escreveu:
> Where does the stack trace say that the error is?
>
> On Mon, Oct 1, 2012 at 4:05 PM, José Barbosa <jba...@ip... 
> <mailto: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...
>>     <mailto: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...
>>     <mailto:jos...@gm...>......sites.google.com/site/joshuaomadadhain/
>>     <http://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
>     5301-857 Bragança
>     Portugal
>     [T]:+351-918985512  <tel:%2B351-918985512>  | [F]:+351-273313051  <tel:%2B351-273313051>
>     [www]:http://www.ipb.pt/~jbarbosa  <http://www.ipb.pt/%7Ejbarbosa>  | [@]:jba...@ip...  <mailto:jba...@ip...>  
>
>
>
>
> -- 
> jos...@gm.........sites.google.com/site/joshuaomadadhain/ 
> <http://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
5301-857 Bragança
Portugal
[T]: +351-918985512 | [F]: +351-273313051
[www]: http://www.ipb.pt/~jbarbosa | [@]: jba...@ip...