Thanks Eric and Josh. There shouldn't be delete marker because my code doesn't perform any delete operation, right?
Josh: if that out-of-the-box SummingCombiner cannot handle delete marker, then I'd think that's bug :-) Thanks, Z -- View this message in context: http://apache-accumulo.1065345.n5.nabble.com/exception-thrown-during-minor-compaction-tp15010p15025.html Sent from the Developers mailing list archive at Nabble.com.