Avoiding the Green Screen of Death in RPG Programs
April 5, 2006 Ted Holt
Although I have been using various versions of Microsoft Windows since the early 1990s, I am still not impressed when I gaze upon that phenomenon popularly known as the “Blue Screen of Death.” In the same way, I do not think iSeries users are impressed when they see the Display Program Messages panel, or as I call it, the “Green Screen of Death.” Fortunately, showing users the Display Program Messages panel is almost always avoidable.
When a program encounters an error that it has not been told how to handle, it stops. For interactive jobs, the user is presented with