|  HADOOP-9242  | 
 Duplicate surefire plugin config in hadoop-common  | 
  Major  | 
 test  | 
 Andrey Klochkov  | 
 Andrey Klochkov  | 
|  HADOOP-11267  | 
 TestSecurityUtil fails when run with JDK8 because of empty principal names  | 
  Minor  | 
 security, test  | 
 Stephen Chu  | 
 Stephen Chu  | 
|  HADOOP-10134  | 
 [JDK8] Fix Javadoc errors caused by incorrect or illegal tags in doc comments  | 
  Minor  | 
 .  | 
 Andrew Purtell  | 
 Andrew Purtell  | 
|  MAPREDUCE-6273  | 
 HistoryFileManager should check whether summaryFile exists to avoid FileNotFoundException causing HistoryFileInfo into MOVE_FAILED state  | 
  Minor  | 
 jobhistoryserver  | 
 zhihai xu  | 
 zhihai xu  | 
|  MAPREDUCE-6377  | 
 JHS sorting on state column not working in webUi  | 
  Minor  | 
 jobhistoryserver  | 
 Bibin A Chundatt  | 
 zhihai xu  | 
|  HDFS-8615  | 
 Correct HTTP method in WebHDFS document  | 
  Major  | 
 documentation  | 
 Akira Ajisaka  | 
 Brahma Reddy Battula  | 
|  MAPREDUCE-5948  | 
 org.apache.hadoop.mapred.LineRecordReader does not handle multibyte record delimiters well  | 
  Critical  | 
 .  | 
 Kris Geusebroek  | 
 Akira Ajisaka  | 
|  YARN-3878  | 
 AsyncDispatcher can hang while stopping if it is configured for draining events on stop  | 
  Critical  | 
 .  | 
 Varun Saxena  | 
 Varun Saxena  | 
|  YARN-3925  | 
 ContainerLogsUtils#getContainerLogFile fails to read container log files from full disks.  | 
  Critical  | 
 nodemanager  | 
 zhihai xu  | 
 zhihai xu  | 
|  MAPREDUCE-6481  | 
 LineRecordReader may give incomplete record and wrong position/key information for uncompressed input sometimes.  | 
  Critical  | 
 mrv2  | 
 zhihai xu  | 
 zhihai xu  | 
|  HADOOP-12230  | 
 hadoop-project declares duplicate, conflicting curator dependencies  | 
  Minor  | 
 build  | 
 Steve Loughran  | 
 Rakesh R  | 
|  HDFS-9273  | 
 ACLs on root directory may be lost after NN restart  | 
  Critical  | 
 namenode  | 
 Xiao Chen  | 
 Xiao Chen  | 
|  HDFS-9083  | 
 Replication violates block placement policy.  | 
  Blocker  | 
 namenode  | 
 Rushabh S Shah  | 
 Rushabh S Shah  | 
|  YARN-4312  | 
 TestSubmitApplicationWithRMHA fails on branch-2.7 and branch-2.6 as some of the test cases time out  | 
  Major  | 
 .  | 
 Varun Saxena  | 
 Varun Saxena  | 
|  YARN-4320  | 
 TestJobHistoryEventHandler fails as AHS in MiniYarnCluster no longer binds to default port 8188  | 
  Major  | 
 .  | 
 Varun Saxena  | 
 Varun Saxena  | 
|  MAPREDUCE-6528  | 
 Memory leak for HistoryFileManager.getJobSummary()  | 
  Critical  | 
 jobhistoryserver  | 
 Junping Du  | 
 Junping Du  | 
|  YARN-4326  | 
 Fix TestDistributedShell timeout as AHS in MiniYarnCluster no longer binds to default port 8188  | 
  Major  | 
 .  | 
 MENG DING  | 
 MENG DING  | 
|  HDFS-9289  | 
 Make DataStreamer#block thread safe and verify genStamp in commitBlock  | 
  Critical  | 
 .  | 
 Chang Li  | 
 Chang Li  | 
|  HADOOP-12526  | 
 [Branch-2] there are duplicate dependency definitions in pom’s  | 
  Major  | 
 build  | 
 Sangjin Lee  | 
 Sangjin Lee  | 
|  YARN-4241  | 
 Fix typo of property name in yarn-default.xml  | 
  Major  | 
 documentation  | 
 Anthony Rojas  | 
 Anthony Rojas  | 
|  MAPREDUCE-6540  | 
 TestMRTimelineEventHandling fails  | 
  Major  | 
 test  | 
 Sangjin Lee  | 
 Sangjin Lee  | 
|  HDFS-9431  | 
 DistributedFileSystem#concat fails if the target path is relative.  | 
  Major  | 
 hdfs-client  | 
 Kazuho Fujii  | 
 Kazuho Fujii  | 
|  YARN-2859  | 
 ApplicationHistoryServer binds to default port 8188 in MiniYARNCluster  | 
  Critical  | 
 timelineserver  | 
 Hitesh Shah  | 
 Vinod Kumar Vavilapalli  | 
|  HADOOP-12577  | 
 Bump up commons-collections version to 3.2.2 to address a security flaw  | 
  Blocker  | 
 build, security  | 
 Wei-Chiu Chuang  | 
 Wei-Chiu Chuang  | 
|  YARN-4344  | 
 NMs reconnecting with changed capabilities can lead to wrong cluster resource calculations  | 
  Critical  | 
 resourcemanager  | 
 Varun Vasudev  | 
 Varun Vasudev  | 
|  MAPREDUCE-5883  | 
 “Total megabyte-seconds” in job counters is slightly misleading  | 
  Minor  | 
 .  | 
 Nathan Roberts  | 
 Nathan Roberts  | 
|  YARN-4365  | 
 FileSystemNodeLabelStore should check for root dir existence on startup  | 
  Major  | 
 resourcemanager  | 
 Jason Lowe  | 
 Kuhu Shukla  | 
|  MAPREDUCE-6549  | 
 multibyte delimiters with LineRecordReader cause duplicate records  | 
  Major  | 
 mrv1, mrv2  | 
 Dustin Cote  | 
 Wilfred Spiegelenburg  | 
|  HDFS-9470  | 
 Encryption zone on root not loaded from fsimage after NN restart  | 
  Critical  | 
 .  | 
 Xiao Chen  | 
 Xiao Chen  | 
|  YARN-4348  | 
 ZKRMStateStore.syncInternal shouldn’t wait for sync completion for avoiding blocking ZK’s event thread  | 
  Blocker  | 
 .  | 
 Tsuyoshi Ozawa  | 
 Tsuyoshi Ozawa  | 
|  YARN-4424  | 
 Fix deadlock in RMAppImpl  | 
  Blocker  | 
 .  | 
 Yesha Vora  | 
 Jian He  | 
|  YARN-4434  | 
 NodeManager Disk Checker parameter documentation is not correct  | 
  Minor  | 
 documentation, nodemanager  | 
 Takashi Ohnishi  | 
 Weiwei Yang  |