<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE log4j:configuration SYSTEM "http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/xml/doc-files/log4j.dtd">
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">

    <!-- Appenders -->
    <appender name="console" class="org.apache.log4j.ConsoleAppender">
        <param name="Target" value="System.out"/>
        <layout class="org.apache.log4j.PatternLayout">
            <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n"/>
        </layout>
    </appender>

    <!-- 파일에 출력하기 -->

➊

    <appender name="monitor" class="org.apache.log4j.RollingFileAppender">
        <param name="append" value="false"/> ➋
        <param name="maxFileSize" value="10KB"/> ➌
        <param name="maxBackupIndex" value="5"/> ➍
        <param name="file" value="c:/logs/monitor.log"/> ➎

        <layout class="org.apache.log4j.PatternLayout"> 
            <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n"/> ➐
        </layout> 

        <filter class="org.apache.log4j.varia.LevelRangeFilter"> 
            <param name="LevelMin" value="info"/> ➒
            <param name="LevelMax" value="info"/> ➓
        </filter>

    </appender>

    <!-- Application Loggers -->
    <logger name="com.springmvc">
        <level value="info"/>
        <appender-ref ref="monitor"/> ⓫
    </logger>
    ...
</log4j:configuration>