cvc-complex-type.2.4.a: Invalid content was found starting with element 'filter-class'. One of '{"

具體問題 錯誤提示：cvc-complex-type.2.4.a: Invalid content was found starting with element ‘filter-class’. One of ‘{「http://java.sun.com/xml/ns/javaee」:description, 「http://java.sun.com/xml/ns/javaee」:display-

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