As far as I understand the documentation, shouldn'tYes, that is correct.
the btree-comparator only be used to compare keys
with keys and the duplicate-comparator to compare
values with values?
Since it might take a some effort to find a small andOK, that would be useful. The stack trace that you sent before didn't yield any clues.
reliable test case, I'd like to have these questions
confirmed before I start to create one.
The second stacktrace was attached to indicate thatok.
the problem only seems to occur as long as there are
simultanous other operations.