HDFS-7340. Make rollingUpgrade start/finalize idempotent. Contributed by Jing Zhao.
HADOOP-11165. TestUTF8 fails when run against java 8. Contributed by Stephen Chu.
HADOOP-10847. Remove the usage of sun.security.x509.* in testing code. Contributed by Pascal Oliva.
HDFS-7334. Fix periodic failures of TestCheckpoint#testTooManyEditReplayFailures. Contributed by Charles Lamb.
Update CHANGES.txt for committing HADOOP-10563 to branch-2.
HDFS-7356. Use DirectoryListing.hasMore() directly in nfs. Contributed by Li Lu.
Update CHANGES.txt for committing HADOOP-10717 to branch-2.
HDFS-7355. TestDataNodeVolumeFailure#testUnderReplicationAfterVolFailure fails on Windows, because we cannot deny access to the file owner. Contributed by Chris Nauroth.
HDFS-7233. NN logs unnecessary org.apache.hadoop.hdfs.protocol.UnresolvedPathException. Contributed by Rushabh S Shah.
HADOOP-11260. Patch up Jetty to disable SSLv3. (Mike Yoder via kasha)
Adding release 2.5.2 to CHANGES.txt
HADOOP-11268. Update BUILDING.txt to remove the workaround for tools.jar. Contributed by Li Lu.
YARN-2010. Handle app-recovery failures gracefully. (Jian He and Karthik Kambatla via kasha)
HADOOP-11230. Add missing dependency of bouncycastle for kms, httpfs, hdfs, MR and YARN. Contributed by Robert Kanter.
YARN-2804. Fixed Timeline service to not fill the logs with JAXB bindings exceptions. Contributed by Zhijie Shen.
HADOOP-11269. Add java 8 profile for hadoop-annotations. Contributed by Li Lu.
MAPREDUCE-6048. Fixed TestJavaSerialization failure. Contributed by Varun Vasudev
HDFS-7218. FSNamesystem ACL operations should write to audit log on failure. (clamb via yliu)
HADOOP-11271. Use Time.monotonicNow() in Shell.java instead of Time.now() (Contributed by Vinayakumar B)
HADOOP-11265. Credential and Key Shell Commands not available on Windows. Contributed by Larry McCay.