web.xml 한글 처리

<filter>
		<filter-name>setCharacterEncodingFilter</filter-name>
		<filter-class>org.apache.catalina.filters.SetCharacterEncodingFilter</filter-class>
		<init-param>
			<param-name>encoding</param-name>
			<param-value>utf-8</param-value>
		</init-param>
	</filter>
	<filter-mapping>
		<filter-name>setCharacterEncodingFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>