HDFS-6475. WebHdfs clients fail without retry because incorrect handling of StandbyException. Contributed by Yongjun Zhang.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1605217 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10747. Support configurable retries on SASL connection failures in RPC client. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1605219 13f79535-47bb-0310-9956-ffa450edef68