MAPREDUCE-4909. TestKeyValueTextInputFormat fails with Open JDK 7 on Windows. Contributed by Arpit Agarwal.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1428620 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4355. TestNameNodeMetrics.testCorruptBlock fails with open JDK7. Contributed by Brandon Li.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1428631 13f79535-47bb-0310-9956-ffa450edef68