private void removeOldStructure() throws RepositoryException
{
ExtendedSession session = (ExtendedSession)service.getStorageSession();
try
{
if (session.itemExists(storagePathOld))
{
NodeIterator usersIter = ((ExtendedNode)session.getItem(usersStorageOld)).getNodesLazily();
while (usersIter.hasNext())
{
Node currentUser = usersIter.nextNode();