return (PooledConnection)getPooledConnection( getQueue(EMPTY_USER_PASSWORD));
PingablePooledConnection connection = (PingablePooledConnection)super.getPooledConnection(queue);  connection.addConnectionEventListener(this);  return connection;
	public synchronized PooledConnection getPooledConnection()         throws SQLException     {	    return (PooledConnection)getPooledConnection(            getQueue(EMPTY_USER_PASSWORD));	}