HADOOP-9430. TestSSLFactory fails on IBM JVM. Contributed by Amir Sanjar.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1461268 13f79535-47bb-0310-9956-ffa450edef68
Merge branch 'trunk' into HDFS-4249
HDFS-4249: add isLengthKnown to BookKeeperEditLogInputStream