From: José B. <jba...@ip...> - 2012-10-01 23:05:24
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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 > > > ------------------------------------------------------------------------------ > Got visibility? > Most devs has no idea what their production app looks like. > Find out how fast your code is with AppDynamics Lite. > http://ad.doubleclick.net/clk;262219671;13503038;y? > http://info.appdynamics.com/FreeJavaPerformanceDownload.html > _______________________________________________ > Jung-support mailing list > Jun...@li... > <mailto:Jun...@li...> > https://lists.sourceforge.net/lists/listinfo/jung-support > > > > > -- > 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... |