hey all.  i'm having a load of trouble getting my program out to an applet/application.  it's a very simple app, basically just a bare-bones OPENGL program.  i've tried three methods, and none work, though i get some different shades of failure with the different methods.

details on my life's troubles follow.  if anyone has been down this road before and has any suggestions, i'd be VERY thankful....

cheers,
-e

[eclipse Export Jar]
exporting a jar via eclipse's built-in jar exporter, and running the jar from command line, i get:
Exception in thread "main" java.lang.NoClassDefFoundError: processing/core/PApplet

[Fat Jar]
exporting a jar with Fat Jar, the jar launches, but hangs almost immediately (before loading the program), with the error:
Error while running applet.
java.lang.RuntimeException: Before using OpenGL, first select Import Library >opengl from the Sketch menu.
i don't have 'import processing.opengl.*;' in my main class, because it tests fine from within eclipse (jogl's in my build path).  regardless, even if i add it and recompile, i still have the same error.

[EclipseP5Exporter > applet]
exporting an applet with p5Exporter and running the created jar file, i get the same error as with the built-in jar exporter:
Exception in thread "main" java.lang.NoClassDefFoundError: processing/core/PApplet

[Eclipsep5Exporter > application]
exporting an application with p5Exporter, and running the osx app from the command line, the app launches, but hangs in the same way as the Fat Jar, with no feedback in the command line.

exporting an application with p5Exporter, and running the jar file within app/Contents/Resources/Java, i get the same error as with jars created by eclipse's jar exporter and p5Exporter's applet exporter:
Exception in thread "main" java.lang.NoClassDefFoundError: processing/core/PApplet

so i had a back and forth with the author of EclipseP5Exporter, and he had a hunch it was an issue with my user library setup.  i had all my jogl stuff packed into a user lib per this thread:

http://processing.org/discourse/yabb_beta/YaBB.cgi?board=Integrate;action=display;num=1114400513;start=20#20

i really like this setup (thanks Darth!), it's portable and easy-to-update with new versions of processing, but user libs don't seem to play nice with any of the jar exporters i tried.  (tho Fat Jar says it's supposed to support user libs, i couldn't get that to happen.)

daniel suggested, as a quick workaround, that i add core.jar and the processing/opengl lib to the root of my project; i found a slightly-less messy solution:

i added all the jars in processing/libraries/opengl/library as External Jars to my Java Build Path in Project>Properties, then copied the rest of the files from that folder into the root of my project folder.  not the prettiest either way, but when i re-ran EclipseP5Exporter, i got myself a nice cross-platform application and an applet.

so, perhaps a temporary fix, but a fix nonetheless.

for myself i got to a solution to get an p5applet extended calss embedded in a JFrame Object. it can be done in a way like this.
Code:

public class Frame extends JFrame{



PFrame pFrame;




public Frame() {



this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);



this.setSize(800,600);



JPanel content = new JPanel();



this.setVisible(true);



this.setResizable(false);



try {




Thread.sleep(1000);



} catch (InterruptedException e) {}



int width = this.getLayeredPane().getWidth();



int height = this.getLayeredPane().getHeight();



pFrame = new PFrame(width, height, this);



content.add(pFrame);



this.getContentPane().add(content,BorderLayout.CENTER);



pFrame.loop();


}



public static void main(String[] args) {


Frame f= new Frame();

}
}
 

and
Code:

int width, height;


Frame fr;


public PFrame(int width, int height, Frame fr) {


noLoop();


this.width = width;


this.height = height;


println(width + "," + height);


this.fr = fr;


init();


loop();

}


public void setup() {


size(width, height);

}


public void draw() {


background(0);

}

 

just found this thread randomly on a search for something else -- daniel updated P5Exporter a couple times since the last post, and i think a lot of the troubles with libraries may have cleared up.  download the latest and try again...

http://www.rednoise.org/EclipseP5Exporter/

Greetings,
I've recently updated the exporter for Processing v1.05. If anyone is still having issues with hangs, or 'gray' applets, please let me know. Better still, send (or link to) a full project zip that demonstrates the problem, so that I might be able to recreate it...
thanks,
-dch
(dh254 AT nyu DOT edu)