[JavaOctave] Plot function

[tomorrowneverdie8888]

Dear all,

I'm interest in using JavaOctave for my project. I have tested the plot 
function as following link:
https://kenai.com/projects/javaoctave/lists/general-discussion/archive/2010-10/message/2

On Eclipse debugging mode, I got this error when executing the line 
octave.eval("drawnow()");

Exception in thread "main" dk.ange.octave.exception.OctaveEvalException: 
popen2: process creation failed
        at dk.ange.octave.OctaveEngine.eval(OctaveEngine.java:128)
        at OctavePackage.testOctave.getOctaveTestFunction(testOctave.java:105)
        at OctavePackage.testOctave.main(testOctave.java:46)

I used Juno Eclipse, Octave3.6.4_gcc6.4.2, $Path to Octave program is set as 
instruction https://kenai.com/projects/javaoctave/pages/FAQ-OctaveNotFound

Do you guys have any idea about this problem?

Cheers,

JB