parameter 한글 깨짐

request.setCharacterEncoding("UTF-8");
인코딩을 맨 위에!!

▶️수정 전

<jsp:useBean id="mb" class="my.member.MemberBean">
	<jsp:setProperty name="mb" property="*" />
</jsp:useBean>
<%
	request.setCharacterEncoding("UTF-8");
%>

▶️수정 후

<%
	request.setCharacterEncoding("UTF-8");
%>

<jsp:useBean id="mb" class="my.member.MemberBean">
	<jsp:setProperty name="mb" property="*" />
</jsp:useBean>