HDFS-5906. Fixing findbugs and javadoc warnings in the HDFS-5698 branch. Contributed by Haohui Mai.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-5698@1565765 13f79535-47bb-0310-9956-ffa450edef68
5 files changed