col = DatabaseManager.getCollection(baseUri + "/db", uid, pwd);
final UserManagementService ums = (UserManagementService) col.getService("UserManagementService", "1.0");
final Group grp = ums.getGroup(group_uid);
if(grp != null){
ums.removeGroup(grp);
}
} catch(final XMLDBException xmldbe) {
throw new ApiException(xmldbe);
} finally {
if(col != null) {