protected void loadConnections() {
String filename = JMXActivator.getDefault().getStateLocation().append(STORE_FILE).toOSString();
HashMap<String, DefaultConnectionWrapper> map = new HashMap<String, DefaultConnectionWrapper>();
if( new File(filename).exists()) {
try {
IMemento root = XMLMemento.loadMemento(filename);
IMemento[] child = root.getChildren(CONNECTION);
for( int i = 0; i < child.length; i++ ) {
String id = child[i].getString(ID);
String url = child[i].getString(URL);
String username = child[i].getString(USERNAME);
String password = child[i].getString(PASSWORD);