SpringBoot整合Log4j2日志框架

院儿饯 发表于 2025-6-9 08:53:21

SpringBoot底层默认使用logback日志框架。
切换使用Log4j2日志框架。
pom.xml配置

<dependency>
<groupId>org.springframework.boot</groupId>
spring-boot-starter-web</artifactId>

<exclusions>
   <exclusion>
         spring-boot-starter-logging</artifactId>
         <groupId>org.springframework.boot</groupId>
   </exclusion>
</exclusions>
</dependency>

<dependency>
<groupId>org.springframework.boot</groupId>
spring-boot-starter-log4j2</artifactId>
</dependency>log4j2-spring.xml

文件命名固定log4j2-spring.xml，让SpringBoot加载配置文件。
文件名为log4j2.xml,文件将绕过SpringBoot直接调用日志框架。
<?xml version="1.0" encoding="UTF-8"?>

<Configuration status="debug" monitorInterval="180" packages="com.evan" disableAnsi="false" >

<properties>

   <property name="LOG_HOME">./logs</property>





   <property name="PATTERN">%date{YYYY-MM-dd HH:mm:ss,SSS} %level [%thread][%file:%line] - %msg%n%throwable</property>
</properties>


   <Console name="consoleAppender" target="SYSTEM_OUT">

         <ThresholdFilter level="info" onMatch="ACCEPT" onMismatch="DENY"/>

         <PatternLayout
               pattern="%style{%d{ISO8601}}{bright,green} %highlight{%-5level} [%style{%t}{bright,blue}] %style{%C{}}{bright,yellow}: %msg%n%style{%throwable}{red}"
                  noConsoleNoAnsi="false"/>
   </Console>



   <RollingFile name="allFileAppender"
                  fileName="${LOG_HOME}/all.log"
                  filePattern="${LOG_HOME}/$${date:yyyy-MM}/all-%d{yyyy-MM-dd}-%i.log.gz">

         <PatternLayout>
            <pattern>%d %p %C{} [%t] %m%n</pattern>
         </PatternLayout>
         <Policies>



            <SizeBasedTriggeringPolicy size="100MB"/>

            <TimeBasedTriggeringPolicy/>
         </Policies>

         <DefaultRolloverStrategy max="100"/>
   </RollingFile>


   <RollingFile name="debugFileAppender"
                  fileName="${LOG_HOME}/debug.log"
                  filePattern="${LOG_HOME}/$${date:yyyy-MM}/debug-%d{yyyy-MM-dd}-%i.log.gz">
         <Filters>

            <ThresholdFilter level="info" onMatch="DENY" onMismatch="NEUTRAL"/>
         </Filters>

         <PatternLayout>
            <pattern>%d %p %C{} [%t] %m%n</pattern>
         </PatternLayout>
         <Policies>



            <SizeBasedTriggeringPolicy size="100MB"/>

            <TimeBasedTriggeringPolicy/>
         </Policies>

         <DefaultRolloverStrategy max="100"/>
   </RollingFile>


   <RollingFile name="infoFileAppender"
                  fileName="${LOG_HOME}/info.log"
                  filePattern="${LOG_HOME}/$${date:yyyy-MM}/info-%d{yyyy-MM-dd}-%i.log.gz">
         <Filters>

            <ThresholdFilter level="warn" onMatch="DENY" onMismatch="NEUTRAL"/>
         </Filters>

         <PatternLayout>
            <pattern>%d %p %C{} [%t] %m%n</pattern>
         </PatternLayout>
         <Policies>



            <SizeBasedTriggeringPolicy size="100MB"/>

            <TimeBasedTriggeringPolicy/>
         </Policies>


   </RollingFile>


   <RollingFile name="warnFileAppender"
                  fileName="${LOG_HOME}/warn.log"
                  filePattern="${LOG_HOME}/$${date:yyyy-MM}/warn-%d{yyyy-MM-dd}-%i.log.gz">
         <Filters>

            <ThresholdFilter level="error" onMatch="DENY" onMismatch="NEUTRAL"/>
         </Filters>

         <PatternLayout>
            <pattern>%d %p %C{} [%t] %m%n</pattern>
         </PatternLayout>
         <Policies>



            <SizeBasedTriggeringPolicy size="100 MB"/>

            <TimeBasedTriggeringPolicy/>
         </Policies>

         <DefaultRolloverStrategy max="100"/>
   </RollingFile>


   <RollingFile name="errorFileAppender"
                  fileName="${LOG_HOME}/error.log"
                  filePattern="${LOG_HOME}/$${date:yyyy-MM}/error-%d{yyyy-MM-dd}-%i.log.gz">

         <PatternLayout>
            <pattern>%d %p %C{} [%t] %m%n</pattern>
         </PatternLayout>
         <Policies>



            <SizeBasedTriggeringPolicy size="100 MB"/>

            <TimeBasedTriggeringPolicy/>
         </Policies>

         <DefaultRolloverStrategy max="100"/>
   </RollingFile>


   <RollingFile name="errorJsonAppender"
                  fileName="${LOG_HOME}/error-json.log"
                  filePattern="${LOG_HOME}/error-json-%d{yyyy-MM-dd}-%i.log.gz">
         <JSONLayout compact="true" eventEol="true" locationInfo="true"/>
         <Policies>
            <SizeBasedTriggeringPolicy size="100 MB"/>
            <TimeBasedTriggeringPolicy interval="1" modulate="true"/>
         </Policies>
   </RollingFile>
</Appenders>

<Loggers>

   <Root level="debug">







   </Root>

   <Logger name="springfox" level="INFO"/>

   <Logger name="org.springframework" level="info"/>

   <Logger name="druid.sql.Statement" level="info"/>

   <Logger name="com.mybatis" level="warn"/>
   <Logger name="org.hibernate" level="warn"/>
   <Logger name="com.zaxxer.hikari" level="info"/>
   <Logger name="org.quartz" level="info"/>
   <Logger name="com.ym.learn" level="debug"/>
</Loggers>

</Configuration>控制台日志输出信息

日志文件生成

说明：日志文件生成在当前项目下

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SpringBoot整合Log4j2日志框架