ACCUMULO-1537 fixed NPE in MAC

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1502381 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-1564 Fixing types (JWDP -> JDWP)


git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1502407 13f79535-47bb-0310-9956-ffa450edef68