5장 logback-spring.xml 에러

[Joajy]

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE xml>
<configuration debug="true">
	<!-- Appenders -->
	<appender name="console" class="ch.qos.logback.core.ConsoleAppender">
		<encoder>
			<Pattern>%d %5p [%c] %m%n</Pattern>
		</encoder>   
	</appender>

	<appender name="console-infolog" class="ch.qos.logback.core.ConsoleAppender">
		<encoder>
			<Pattern>%d %5p %m%n</Pattern>
		</encoder>   
	</appender>

	<!-- 로거 -->
	<logger name="board" level="DEBUG" appender-ref="console"/>
	<logger name="jdbc.sqlonly" level="INFO" appender-ref="console-infolog"/>
	<logger name="jdbc.resultsettable" level="INFO" appender-ref="console-infolog"/>
	<logger name="org.springframework" level="error"/>
	<logger name="org.springframework.jdbc" level="error"/>
	
	<!-- 루트 로거 -->
    <root level="error">
        <appender-ref ref="console"/>
    </root>
</configuration>

에서 <DOCTYPE xml> 구문을 제거해줘야 진행이 되는 이유로 이슈 올립니다.