JDK-6691185 : (coll) TreeMap.navigableKeySet's descendingIterator method starts at first instead of last entry
The Version table provides details related to the release that this issue/RFE will be addressed.
Unresolved : Release in which this issue/RFE will be addressed. Resolved: Release in which this issue/RFE has been resolved. Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availabitlity Release.
The NavigableSet returned by TreeMap's navigableKeySet method has a broken descendingIterator method as discussed on the core-libs-dev mailing list here: