jackrabbit 2.6.5

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1549739 13f79535-47bb-0310-9956-ffa450edef68
prevent casting

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1549740 13f79535-47bb-0310-9956-ffa450edef68