svn merge -c 1618691 FIXES: MAPREDUCE-6036. TestJobEndNotifier fails intermittently in branch-2. Contributed by chang li


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1618692 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-6012. DBInputSplit creates invalid ranges on Oracle. (Wei Yan via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1618696 13f79535-47bb-0310-9956-ffa450edef68