HADOOP-10476. Bumping the findbugs version to 3.0.0. Contributed by Haohui Mai.
HADOOP-11367. Fix warnings from findbugs 3.0 in hadoop-streaming. Contributed by Li Lu.
HADOOP-11369. Fix new findbugs warnings in hadoop-mapreduce-client, non-core directories. Contributed by Li Lu.
HADOOP-11368. Fix SSLFactory truststore reloader thread leak in KMSClientProvider. Contributed by Arun Suresh.

(cherry picked from commit 74d4bfded98239507511dedb515bc6a54958d5a8)
HADOOP-11372. Fix new findbugs warnings in mapreduce-examples. Contributed by Li Lu.
HADOOP-11273. TestMiniKdc failure: login options not compatible with IBM JDK. Contributed by Gao Zhong Liang.
HDFS-7489. Incorrect locking in FsVolumeList#checkDirs can hang datanodes (Noah Lorang via Colin P. McCabe)
(cherry picked from commit d8352b9b2b99aa46679c5880a724ba3f0ceb41ff)
HDFS-7498. Simplify the logic in INodesInPath. Contributed by Jing Zhao.
HADOOP-11379. Fix new findbugs warnings in hadoop-auth*. Contributed by Li Lu.
HADOOP-11378. Fix new findbugs warnings in hadoop-kms. Contributed by Li Lu.