在另外一台机器上部署项目,项目导进Eclipse中发现有异常
public class BooleanFeatureType
extends FeatureBaseType{
@XmlElementRef(name = "Value", namespace = "http://schemas.sean.com/ma/CA/OPM/",
type = JAXBElement.class, required = false)
protected JAXBElement<Boolean> value;
......
@XmlElementRef那行报错：The attribute required is undefined for the annotation type XmlElementRef
解决办法：打开项目 java build path>order and export 将 JRE system library 置顶。错误消失