HADOOP-11363 Hadoop maven surefire-plugin uses must set heap size.
HADOOP-10134 [JDK8] Fix Javadoc errors caused by incorrect or illegal tags in doc  comments.
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.
YARN-2910. FSLeafQueue can throw ConcurrentModificationException. (Wilfred Spiegelenburg via kasha)

(cherry picked from commit a2e07a54561a57a83b943628ebbc53ed5ba52718)
HADOOP-11349. RawLocalFileSystem leaks file descriptor while creating a file if creat succeeds but chmod fails. (Varun Saxena via Colin P.  McCabe)
(cherry picked from commit 03867eb1bb173c66b5eb3bebf2fe03a1188635b5)
YARN-2930. Fixed TestRMRestart#testRMRestartRecoveringNodeLabelManager intermittent failure. Contributed by Wangda Tan
(cherry picked from commit 2ed90a57fdd31d194b4a690df68b158ed9743dba)
YARN-2924. Fixed RMAdminCLI to not convert node labels to lower case. Contributed by Wangda Tan
(cherry picked from commit 437322afcaa4b1b260501af160283c97eb589419)
HDFS-7481. Add ACL indicator to the 'Permission Denied' exception. (Contributed by Vinayakumar B )

(cherry picked from commit d93f3b9815f90d24c838574a56013e6dc60dc5ad)
HDFS-7502. Fix findbugs warning in hdfs-nfs project. Contributed by Brandon Li.
HADOOP-11381. Fix findbugs warnings in hadoop-distcp, hadoop-aws, hadoop-azure, and hadoop-openstack. Contributed by Li Lu.
Merge remote-tracking branch 'remotes/origin/branch-2' into branch-2