private void incrementReferenceCounter(int incr, StorageId storageId) {
try {
MsgUnitWrapper msgUnitWrapper = getMsgUnitWrapper();
if (msgUnitWrapper != null) {
msgUnitWrapper.incrementReferenceCounter(incr, storageId);
}
else { // Log situation:
boolean isHistory = (storageId == null) ? false : Constants.RELATING_HISTORY.equals(storageId.getRelatingType());
String id = (storageId == null) ? "" : storageId.getId();
if (isForceDestroy()) {