sorry, i should have checked google groups. i found this helpful topic
with explicit instructions:
tobi delbruck wrote:
> does anyone know how to debug java code running in the matlab jvm?
> e.g. by attaching a debugger to a running java or by starting java with
> a magic switch that runs a java debugger service, e.g. JPDA?
> i have written a lot of java code that runs within the matlab jvm and it
> would be very helpful to be able to debug it in place, instead of
> writing endless System.out.println output.
> i searched matlab knowledge base and found nothing on this.
> this is for matlab 7.1 running on windows XP, java environment is
> netbeans 4.1.