E:\>jdk-10.0.2\bin\java LotsOfCancels
begin handle 1
begin poll 1
begin handle 7
begin poll 7
begin handle 8
begin poll 8
begin handle 9
begin poll 9
begin handle 10
begin poll 10
begin handle 11
begin poll 11
begin handle 12
begin poll 12
begin handle 13
begin poll 13
begin handle 14
begin poll 14
begin handle 15
begin poll 15
begin handle 16
begin poll 16
begin handle 2
begin poll 2
begin handle 3
begin poll 3
begin handle 4
begin poll 4
begin handle 5
begin poll 5
begin handle 6
begin poll 6
WatchService 8 closing ...
WatchService 8 closed
poll 8 expected exception java.nio.file.ClosedWatchServiceException
end handle 8
end poll 8
WatchService 10 closing ...
WatchService 10 closed
poll 10 expected exception java.nio.file.ClosedWatchServiceException
WatchService 13 closing ...
WatchService 11 closing ...
end handle 10
poll 11 expected exception java.nio.file.ClosedWatchServiceException
WatchService 11 closed
poll 13 expected exception java.nio.file.ClosedWatchServiceException
WatchService 13 closed
WatchService 14 closing ...
end poll 10
poll 14 expected exception java.nio.file.ClosedWatchServiceException
WatchService 14 closed
end handle 13
WatchService 16 closing ...
end poll 13
WatchService 4 closing ...
end handle 11
end poll 11
WatchService 9 closing ...
poll 4 expected exception java.nio.file.ClosedWatchServiceException
WatchService 4 closed
poll 16 expected exception java.nio.file.ClosedWatchServiceException
WatchService 16 closed
end handle 14
WatchService 6 closing ...
WatchService 5 closing ...
end poll 14
poll 5 expected exception java.nio.file.ClosedWatchServiceException
WatchService 5 closed
poll 6 expected exception java.nio.file.ClosedWatchServiceException
WatchService 6 closed
WatchService 12 closing ...
end handle 16
end poll 16
WatchService 7 closing ...
end handle 4
end poll 4
WatchService 1 closing ...
poll 9 expected exception java.nio.file.ClosedWatchServiceException
WatchService 9 closed
end poll 9
poll 1 expected exception java.nio.file.ClosedWatchServiceException
WatchService 1 closed
poll 7 expected exception java.nio.file.ClosedWatchServiceException
WatchService 7 closed
poll 12 expected exception java.nio.file.ClosedWatchServiceException
WatchService 12 closed
end handle 6
WatchService 2 closing ...
end poll 6
end handle 5
WatchService 15 closing ...
end poll 5
poll 15 expected exception java.nio.file.ClosedWatchServiceException
WatchService 15 closed
poll 2 expected exception java.nio.file.ClosedWatchServiceException
WatchService 2 closed
end handle 12
end poll 12
end handle 7
end poll 7
end handle 1
end poll 1
end handle 9
end handle 2
end poll 2
end handle 15
end poll 15
WatchService 3 closing ...
WatchService 3 closed
poll 3 expected exception java.nio.file.ClosedWatchServiceException
end handle 3
end poll 3