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org.openxava.util.XavaException:无法在集合中添加新元素,因为实体属性是只读的..但是我没有在我的实体类中放入只读属性。
这是一个类型不匹配的问题。当我仔细查看代码并为实体属性输入正确的类型时......它起作用了!我能够为该系列添加元素。