HIVE-8277 : IP address string in HS2, metastore have a "/" prefix (Thejas Nair, reviewed by Vaibhav Gumashta)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.14@1628091 13f79535-47bb-0310-9956-ffa450edef68