log4j2.xml 에서 로그파일 저장, 년도/월별 폴더 생성 후 그 아래에 로그파일 일자시간별 생성 저장.
<Appenders>
<Console name="console" target="SYSTEM_OUT">
<PatternLayout pattern="%d %5p [%c] %m%n" />
</Console>
<RollingFile name="file" fileName="./logs/file/all.log"
filePattern="./logs/file/$${date:yyyy}/$${date:MM}/all_%d{yyyyMMddHH}.log">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
<Policies>
<TimeBasedTriggeringPolicy /><!-- Rotated everyday -->
</Policies>
</RollingFile>
</Appenders>
<Loggers> 에서 <AppenderRef ref="file" > 이어야 파일로 저장.
<Loggers>
<Logger name="java.sql" level="off" additivity="false">
<AppenderRef ref="console" />
</Logger>
<Logger name="egovframework" level="ERROR" additivity="false">
<AppenderRef ref="console" />
<AppenderRef ref="file"/>
</Logger>
<Logger name="org.springframework" level="DEBUG" additivity="false">
<AppenderRef ref="console" />
<AppenderRef ref="file"/>
</Logger>
<Logger name="jdbc.sqltiming" level="off" additivity="false">
<AppenderRef ref="console" />
</Logger>
<Logger name="jdbc.resultsettable" level="off" additivity="false">
<AppenderRef ref="console"/>
</Logger>
<Logger name="jdbc.sqlonly" level="info" additivity="false"> <!-- info / ERROR / DEBUG / off -->
<AppenderRef ref="console"/>
</Logger>
<Root level="ERROR">
<AppenderRef ref="console" />
</Root>
</Loggers>
