ACCUMULO-1151 - better debug on failure



git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1452982 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-1151 - better logging on failure



git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1452983 13f79535-47bb-0310-9956-ffa450edef68