log4j配置文件详解

约定不等于承诺〃 2022-04-15 01:27 234阅读 0赞

<?xml version="1.0" encoding="GB2312"?>
    <!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
    <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">  
        //请先跳到下面查看<root>配置项
        
        <appender name="PROJECT" class="com.alibaba.common.logging.spi.log4j.DailyRollingFileAppender"> //PROJECT bean,指向DailyRollingFileAppende.class
            <param name="file" value="${wholesale_loggingRoot}/sys/webx/webx.log"/>  //日志文件输出位置
            <param name="append" value="false"/>  //以累加模式
            <param name="encoding" value="GBK"/>  //GBK编码
            <param name="threshold" value="info"/>  //info级别才打日志
            <layout class="org.apache.log4j.PatternLayout">
                <param name="ConversionPattern" value="%d [%X{requestURIWithQueryString}] %-5p %c{2} - %m%n"/> //具体输出格式,这个自己查百度
            </layout>
        </appender>
        <appender name="SESSION" class="com.alibaba.common.logging.spi.log4j.DailyRollingFileAppender">
            <param name="file" value="${wholesale_loggingRoot}/sys/webx/session.log"/>
            <param name="append" value="false"/>
            <param name="encoding" value="GBK"/>
            <layout class="org.apache.log4j.PatternLayout">
                <param name="ConversionPattern" value="%n%d %-5p %c{2} - [%X{loginUserNick}@%X{remoteAddr} - %X{method} %X{requestURIWithQueryString}] %nUserAgent: %X{userAgent}%nReferrer: %X{referrer} %n%m%n"/>
            </layout>
        </appender>
        <appender name="FILTER" class="com.alibaba.common.logging.spi.log4j.DailyRollingFileAppender">
            <param name="file" value="${wholesale_loggingRoot}/sys/webx/webx-filter.log"/>
            <param name="append" value="false"/>
            <param name="encoding" value="GBK"/>
            <layout class="org.apache.log4j.PatternLayout">
                <param name="ConversionPattern" value="%d %-5p %c{2} - %m%n"/>
            </layout>
        </appender>
        <appender name="VELOCITY" class="com.alibaba.common.logging.spi.log4j.DailyRollingFileAppender">
            <param name="file" value="${wholesale_loggingRoot}/sys/velocity/velocity.log"/>
            <param name="append" value="false"/>
            <param name="encoding" value="GBK"/>
            <layout class="org.apache.log4j.PatternLayout">
                <param name="ConversionPattern" value="%d %-5p %c{2} - %m%n"/>
            </layout>
        </appender>
     
        
        <appender name="EXCEPTION_LOG" class="com.alibaba.dragoon.patrol.log4j.PatrolLog4jAppender">
           <param name="Threshold" value="ERROR"/>
        </appender>
        
     
        
        
        <logger name="com.alibaba.webx.session" additivity="false">
            <level value="$wholesale_loggingLevel"/>
            <appender-ref ref="SESSION"/>
        </logger>
        <logger name="com.alibaba.china.biz.common.monitor.PerformanceInterceptor" additivity="false">
            <level value="$wholesale_loggingLevel"/>
            <appender-ref ref="PERFORMANCE"/>
        </logger>
        <logger name="com.alibaba.webx.filter" additivity="false">
            <level value="$wholesale_loggingLevel"/>
            <appender-ref ref="FILTER"/>
        </logger>
        <logger name="com.alibaba.service.VelocityService" additivity="false">
         <level value="${wholesale_loggingLevel}"/>
         <appender-ref ref="VELOCITY"/>
        </logger>
        <logger name="businessErrorLog" additivity="false">
            <level value="$wholesale_loggingLevel"/>
            <appender-ref ref="BUSINESSERRORAPPENDER"/>
        </logger>
        <logger name="invokeSearchLog" additivity="false">
            <level value="info"/>
            <appender-ref ref="INVOKESEARCHAPPENDER"/>
        </logger>
        <logger name="tsSearchLogger" additivity="false">
            <level value="info"/>
            <appender-ref ref="tsSearchAppender"/>
        </logger>
        <logger name="taobaoGreetingLogger" additivity="false">
            <level value="info"/>
            <appender-ref ref="taobaoGreetingAppender"/>
        </logger>
        <logger name="xshowLogger" additivity="false">
            <level value="info"/>
            <appender-ref ref="xshowAppender"/>
        </logger>
     
        
     
        <root>
            //设置日志级别,该变量在antx.properties文件中,即${wholesale.loggingLevel}.
            //此处有个约定$wholesale_loggingLevel等同于${wholesale_loggingLevel}(webx的约定),
            //但绝不等同于${wholesale.loggingLevel}!!!!!
            <level value="$wholesale_loggingLevel"/>  
            <appender-ref ref="PROJECT"/>  //故名思意指向PROJECT配置项,即<appender name="PROJECT" ……/>
        
        <appender-ref ref="EXCEPTION_LOG"/>
        </root>
    </log4j:configuration>