e.printStackTrace();
if(log.isErrorEnabled()) { log.error("Exception", e); }
  public ModifiableComponent copy(String name) {    Class cls = this.getClass();    try {      Constructor constructor = cls.getConstructor(constructorArgTypes);      ModifiableComponent component = 	(ModifiableComponent) constructor.newInstance(new String[] {name});      component.initProperties();      return component;    } catch (Exception e) {      e.printStackTrace();      return null;    }  }