Improve exception handling

git-svn-id: https://svn.apache.org/repos/asf/cxf/dosgi/trunk@1429736 13f79535-47bb-0310-9956-ffa450edef68
Update to cxf 2.7.2-SNAPSHOT

git-svn-id: https://svn.apache.org/repos/asf/cxf/dosgi/trunk@1429737 13f79535-47bb-0310-9956-ffa450edef68