引入全新的log4j2 依赖jar包
这个jar包会自动依赖
org.apache.logging.log4j» log4j-api
org.apache.logging.log4j » log4j-core
MAVEN
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-web</artifactId>
<version>2.12.1</version>
</dependency>
LOG4J.XML
rc/main/resources`目录下新增log4j2.xml 文件,这个文件名是官方默认的
LOG4J.XML
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="OFF" monitorInterval="1800">
<properties>
<property name="LOG_HOME">/home/zhaohy/tomcat/logs</property>
<property name="FILE_NAME">MyBlog</property>
</properties>
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
</Console>
<RollingFile name="running-log" fileName="${LOG_HOME}/${FILE_NAME}.log"
filePattern="${LOG_HOME}/$${date:yyyy-MM}/${FILE_NAME}-%d{yyyy-MM-dd}-%i.log.gz"
immediateFlush="true">
<PatternLayout
pattern="%date{yyyy-MM-dd HH:mm:ss.SSS} %level [%thread][%file:%line] - %msg%n"/>
<Policies>
<TimeBasedTriggeringPolicy/>
<SizeBasedTriggeringPolicy size="10 MB"/>
</Policies>
<DefaultRolloverStrategy max="20"/>
</RollingFile>
</Appenders>
<Loggers>
<Logger name="com.zhaohy.app" level="debug" additivity="true">
<AppenderRef ref="running-log"/>
<!-- 这里是输入到控制台-->
<AppenderRef ref="Console"/>
</Logger>
<Root level="info">
<!-- 这里是输入到文件,很重要-->
<AppenderRef ref="running-log"/>
<!-- 这里是输入到控制台-->
<AppenderRef ref="Console"/>
</Root>
</Loggers>
</Configuration>
WEB.XML
<!-- log4j2-begin -->
<!-- Log4j的监听器要放在spring监听器前面 -->
<listener>
<listener-class>org.apache.logging.log4j.web.Log4jServletContextListener</listener-class>
</listener>
<filter>
<filter-name>log4jServletFilter</filter-name>
<filter-class>org.apache.logging.log4j.web.Log4jServletFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>log4jServletFilter</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>REQUEST</dispatcher>
<dispatcher>FORWARD</dispatcher>
<dispatcher>INCLUDE</dispatcher>
<dispatcher>ERROR</dispatcher>
</filter-mapping>
<!-- log4j2-end -->