import java.util.Iterator;
import javax.servlet.http.HttpSession;
import net.sourceforge.guacamole.GuacamoleException;
-import net.sourceforge.guacamole.net.basic.GuacamoleClassLoader;
import net.sourceforge.guacamole.net.basic.properties.BasicGuacamoleProperties;
import net.sourceforge.guacamole.properties.GuacamoleProperties;