老师，请问一下logback.xml的配置文件中error级别设置了，为什么第二天的error日志，会直接覆盖前一天的日志，不会创建error指定的文件目录

来源：3-2 logback的配置

青白菜

2020-03-13

图片：
图片描述
代码：

<?xml version="1.0" encoding="UTF-8" ?>
<configuration scan="true" scanPeriod="60 seconds" debug="false">
    <!--定义参数常量-->
    <!-- TRACE<DEBUG<INFO<WARN<ERROR -->
    <!-- logger.trace("msg") logger.debug... -->
    <property name="log.level" value="debug"/>
    <property name="log.maxHistory" value="30"/>
    <property name="log.filePath" value="${catalina.base}/logs/webapps"/>
    <property name="log.pattern"
              value="%d{yyyy-MM-dd HH:mm:ss.SSS}[%thread]%-5level%logger{50}-%msg%n"/>
    <!--控制台设置-->
    <appender name="consoleAppender" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>${log.pattern}</pattern>
        </encoder>
    </appender>
    <!--DEBUG-->
    <appender name="debugAppender" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!--文件路径-->
        <file>${log.filePath}/debug.log</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!--文件名称-->
            <fileNamePattern>${log.filePath}/debug/debug.%d{yyyy-MM-dd}.log.gz</fileNamePattern>
            <!--文件最大保存历史数量-->
            <maxHistory>${log.maxHistory}</maxHistory>
        </rollingPolicy>
        <encoder>
            <pattern>${log.pattern}</pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>DEBUG</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>

    <!--INFO-->
    <appender name="infoAppender" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!--文件路径-->
        <file>${log.filePath}/info.log</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!--文件名称-->
            <fileNamePattern>${log.filePath}/info/info.%d{yyyy-MM-dd}.log.gz</fileNamePattern>
            <!--文件最大保存历史数量-->
            <maxHistory>${log.maxHistory}</maxHistory>
        </rollingPolicy>
        <encoder>
            <pattern>${log.pattern}</pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>INFO</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>
    <!--ERROR-->
    <appender name="errorAppender" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!--文件路径-->
        <file>${log.filePath}/error.log</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!--文件名称-->
            <fileNamePattern>${error.filePath}/error/error.%d{yyyy-MM-dd}.log.gz</fileNamePattern>
            <!--文件最大保存历史数量-->
            <maxHistory>${log.maxHistory}</maxHistory>
        </rollingPolicy>
        <encoder>
            <pattern>${log.pattern}</pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>ERROR</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>
    <logger name="com.imooc.o2o" level="${log.level}" additivity="true">
        <appender-ref ref="debugAppender"/>
        <appender-ref ref="infoAppender"/>
        <appender-ref ref="errorAppender"/>
    </logger>
    <root level="info">
        <appender-ref ref="consoleAppender"/>
    </root>
</configuration>

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