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I've spotted growing number of AWTEventMulticaster chained at one component, all refering to single listener. The target was org.openide.explorer.propertysheet.PropertySheet$Listener, the source was org.openide.explorer.propertysheet.DescriptionPanel To reproduce, just open and close form editor several times.
Looks like PropertySheet.addNotify() and PropertySheet.removeNotify() are not being called symmetrically. But I think I know whose fault that is - mine - a hack from when the tabs were a JTabbedPane (they aren't anymore).
Upgrading to P2. Leaks are too bad to ignore even a single one.
I actually have work in progress on this and a number of other property sheet issues on my laptop - this issue is not being ignored, but will be fixed along with a number of other issues in a large commit, probably sometime next week.
Should be fixed by my commit last night - this listener is gone, and all notifications of its kind are now done by finding the property sheet via the component hierarchy, so no listeners to forget about. No listener, no problem.
If no further comments, I'll verify
Closing. Feel free to reopen