fix throw exception

Author: skyhit

src/java/main/com/topcoder/direct/services/view/action/contest/launch/CommonAction.java

@@ -453,9 +453,9 @@ private List<Map<String, Object>> getBillingProjectInfos() throws DAOFault {
      * </p>
      *
      * @return the billing project information. each project is represented in a map object.
-     * @throws DAOFault if a DAO error occurs
+     * @throws ContestServiceException if contest service exception occurs
      */
-    private List<ProjectGroup> getAllProjectGroups() throws DAOFault {
+    private List<ProjectGroup> getAllProjectGroups() throws ContestServiceException {
         return Arrays.asList(getContestServiceFacade().getAllProjectGroups(DirectStrutsActionsHelper.getTCSubjectFromSession()));
     }