private void unregisterGmbal(StatsProviderRegistryElement spre) {
//unregister the statsProvider from Gmbal
ManagedObjectManager mom = spre.getManagedObjectManager();
if (mom != null) {
mom.unregister(spre.getStatsProvider());
try {
mom.close();
}
catch (IOException ioe) {
logger.log(Level.SEVERE, "gmbalUnRegistrationFailed", ioe);