HDFS-4174. Add abilit to list the corrupted files in WebUI (backport of HDFS-1031). Contributed by Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1409292 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3941. Backport HDFS-3498 and HDFS-3601: Support replica removal in BlockPlacementPolicy and make BlockPlacementPolicyDefault extensible for reusing code in subclasses, and add BlockPlacementPolicyWithNodeGroup to support block placement with 4-layer network topology.  Contributed by Junping Du and Jing Zhao


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1410690 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4105. The SPNEGO user for secondary namenode should use the web keytab. Contributed by Arpit Gupta.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1410693 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9036. Fix racy test case TestSinkQueue (Backport HADOOP-7292). Backported by Suresh Srinivas.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1410992 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4792. Unit Test TestJobTrackerRestartWithLostTracker fails with ant-1.8.4. Contributed by Amir Sanjar.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1411073 13f79535-47bb-0310-9956-ffa450edef68
fixed CHANGES.txt to correctly show five patches applied in release 1.1.1 instead of release 1.2.0.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1411102 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4208. NameNode could be stuck in SafeMode due to never-created blocks. Contributed by Brandon Li.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1412218 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4207. All hadoop fs operations fail if the default fs is down even if a different fs is specified in the command. Contributed by Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1412229 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4219. Backport slive to branch-1. Backported by Arpit Gupta.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1413767 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4208. Reverting change r1412218 which committed the wrong version of the patch.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1413887 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9095. Backport HADOOP-8372: NetUtils.normalizeHostName() incorrectly handles hostname starting with a numeric character.  Contributed by Jing Zhao 


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1413969 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4208. NameNode could be stuck in SafeMode due to never-created blocks. Contributed by Brandon Li.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1413981 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9099. TestNetUtils fails if "UnknownHost" is resolved as a valid hostname.  Contributed by Ivan Mitic 


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1414483 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4778. Fair scheduler event log is only written if directory exists on HDFS. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1414731 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4478. Fixed a bug in TaskTracker's heartbeat to keep it under control. (Liyin Liang via vinodkv)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1415848 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4252. Improve confusing log message that prints exception when editlog read is completed. Contributed by Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1415879 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4798. Updated TestJobHistoryServer test case for startup
race conditions.  (Sam Liu via eyang)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1416088 13f79535-47bb-0310-9956-ffa450edef68
JDiff output for release 1.1.1

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1416363 13f79535-47bb-0310-9956-ffa450edef68
JDiff output for release 1.1.1

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1416365 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9111. Change some JUnit 3 tests to JUnit 4 so that @Ignore tests can be run with ant 1.8.x.  Contributed by Jing Zhao


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1416751 13f79535-47bb-0310-9956-ffa450edef68