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I set a breakpoint on the line after the creation of an object. When the breakpoint was hit, I hovered the mouse over the object reference variable and the tooltip said that the variable was NULL. But, of course it wasn't. I'm attaching a screenshot that shows the tooltip and, if you look below, in the "Local Variables" tab, the variable shows having content (and, of course, on subsequent lines, the code then calls methods on that object).
Created attachment 74024 [details] screenshot of IDE showing the tooltip with NULL
Someone on the nbusers forum just informed me that the tooltip just shows the object's toString() which, in this case, returned NULL. How does one tell from this tooltip: appGroup = (com.netforensics.fw.lang.ApplicationGroup) null that the toString() of ApplicationGroup returned null? To me, the tooltip implies that appGroup is NULL cast as an ApplicationGroup object. Maybe it would be better to have the tooltip say something like: appGroup = 0xABCD ["null" from ApplicationGroup.toString()] So I'm changing issue type to "ENHANCEMENT".