FilePersistenceNotSerializableException,
FilePersistenceTooBigForSerializationException {
final IExclusiveDataAccessSession session = filePersistence
.createExclusiveDataAccessSession();
final IInstanceFactory instanceFactory = session.getInstanceFactory();
session.open();
final Map<String, String> map = PTreeMap.newInstance(instanceFactory);
map.put(ID_KEY_NAME, ID_KEY_NAME);
map.put(TYPE_KEY_NAME, TYPE_KEY_NAME);
final Iterator<Entry<String, String>> iterator = map.entrySet()