Page directive: illegal to have multiple occurrences of contentType with different values (x,X)之解

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Question:

Page directive: illegal to have multiple occurrences of contentType with different values
(old: text/html; charset=utf-8, new: text/html;charset=UTF-8)
Analysis：

出现这个的原因是这两个jsp的contentType设置不一致所导致的。
当一个JSP include 另一个JSP时contentType不一致的时候就会报这个错误。
案发现场

当前JSP <%@ page contentType="text/html;charset=utf-8" language="java" %>
被include的JSP <%@ page contentType="text/html;charset=UTF-8" language="java" %>
本次报错是因为UTF-8和utf-8所导致的。

Answer：

把当前的JSP和被引入的JSP的contentType设置一样就行。
都改成一样就OK了
<%@ page contentType="text/html;charset=UTF-8" language="java" %>

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