spring升级到5.0版本后不再使用log4j 而是使用log4j2 log4j2替换log4j的方法如下
- 删除所有log4j的依赖及配置文件
- 导入log4j2的依赖
<!-- /log4j-api -->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
<version>2.11.0</version>
</dependency>
<!--log4j-core -->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.11.0</version>
</dependency>
<!-- log4j-web -->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-web</artifactId>
<version>2.11.0</version>
</dependency>
3.在resource目录下新建log4j2.xml
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="OFF" monitorInterval="1800">
<properties>
<property name="LOG_HOME">/WEB-INF/logs</property>
<property name="FILE_NAME">finance-pay</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.cssweb.test.app" level="trace" additivity="true">
<AppenderRef ref="running-log" /> </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>
4.在web.xml下加入以下配置,注意以下代码需要放在前面
<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>
5.重新运行工程即可
本文介绍如何将Spring框架从5.0版本开始使用的日志框架由log4j升级至log4j2,包括删除旧依赖、引入新依赖、创建log4j2.xml配置文件、在web.xml中加入监听器和过滤器配置。
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