Invalid content was found starting with element '{"http://xmlns.jcp.org/xml/ns/javaee":init-param}'. One of '{"http://xmlns.jcp.org/xml/ns/javaee":enabled, "http://xmlns.jcp.org/xml/ns/javaee":async-s

错误提示：

Invalid content was found starting with element '{"http://xmlns.jcp.org/xml/ns/javaee":init-param}'. One of '{"http://xmlns.jcp.org/xml/ns/javaee":enabled, "http://xmlns.jcp.org/xml/ns/javaee":async-supported, "http://xmlns.jcp.org/xml/ns/javaee":run-as, "http://xmlns.jcp.org/xml/ns/javaee":security-role-ref, "http://xmlns.jcp.org/xml/ns/javaee":multipart-config}' is expected.

错误原因：
修改之前：

调换一下位置就OK了，想想也是
修改之后：

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结语：奇奇怪怪的芝士又增加了！！！！！