关于解决Log4j 中 Log4jConfigListener类过期的问题
<dependency> <groupId>org.apache.logging.log4j</groupId> <artifactId>log4j-api</artifactId> <version>2.10.0</version> </dependency> <dependency> <groupId>org.apache.logging.log4j</groupId> <artifactId>log4j-core</artifactId> <version>2.10.0</version> </dependency> <dependency> <groupId>org.apache.logging.log4j</groupId> <artifactId>log4j-web</artifactId> <version>2.9.1</version> </dependency>
<!-- log4j2 Start --> <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 -->
<?xml version="1.0" encoding="UTF-8"?> <!--日志级别以及优先级排序: OFF > FATAL > ERROR > WARN > INFO > DEBUG > TRACE > ALL --> <!--Configuration后面的status,这个用于设置log4j2自身内部的信息输出,可以不设置,当设置成trace时,你会看到log4j2内部各种详细输出--> <!--monitorInterval:Log4j能够自动检测修改配置 文件和重新配置本身,设置间隔秒数--> <Configuration status="INFO" monitorInterval="1800"> <properties> <property name="LOG_HOME">${web:rootDir}/logs</property> <property name="FILE_NAME">finance-pay</property> </properties> <!--先定义所有的appender--> <Appenders> <!--这个输出控制台的配置--> <Console name="Console" target="SYSTEM_OUT"> <!--输出日志的格式--> <!--<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" />--> <PatternLayout pattern="%d %-5p %c - %m%n" /> </Console> <!--文件会打印出所有信息,这个log每次运行程序会自动清空,由append属性决定,这个也挺有用的,适合临时测试用--> <File name="log" fileName="log/test.log" append="false"> <PatternLayout pattern="%d{HH:mm:ss.SSS} %-5level %class{36} %L %M - %msg%xEx%n"/> </File> <!-- 这个会打印出所有的info及以下级别的信息,每次大小超过size,则这size大小的日志会自动存入按年份-月份建立的文件夹下面并进行压缩,作为存档--> <RollingFile name="running-log" fileName="${LOG_HOME}/${FILE_NAME}.log" filePattern="${LOG_HOME}/$${date:yyyy-MM}/${FILE_NAME}-%d{yyyy-MM-dd}-%i.log.gz" immediateFlush="true"> <!--控制台只输出level及以上级别的信息(onMatch),其他的直接拒绝(onMismatch)--> <ThresholdFilter level="info" onMatch="ACCEPT" onMismatch="DENY"/> <PatternLayout pattern="%date{yyyy-MM-dd HH:mm:ss.SSS} %level [%thread][%file:%line] - %msg%n" /> <Policies> <TimeBasedTriggeringPolicy /> <SizeBasedTriggeringPolicy size="10 MB" /> </Policies> <DefaultRolloverStrategy max="20" /> </RollingFile> <RollingFile name="RollingFileWarn" fileName="${LOG_HOME}/warn.log" filePattern="${sys:user.home}/logs/$${date:yyyy-MM}/warn-%d{yyyy-MM-dd}-%i.log"> <ThresholdFilter level="warn" onMatch="ACCEPT" onMismatch="DENY"/> <PatternLayout pattern="[%d{HH:mm:ss:SSS}] [%p] - %l - %m%n"/> <Policies> <TimeBasedTriggeringPolicy/> <SizeBasedTriggeringPolicy size="100 MB"/> </Policies> <!-- DefaultRolloverStrategy属性如不设置,则默认为最多同一文件夹下7个文件,这里设置了20 --> <DefaultRolloverStrategy max="20"/> </RollingFile> <RollingFile name="RollingFileError" fileName="${LOG_HOME}/error.log" filePattern="${sys:user.home}/logs/$${date:yyyy-MM}/error-%d{yyyy-MM-dd}-%i.log"> <ThresholdFilter level="error" onMatch="ACCEPT" onMismatch="DENY"/> <PatternLayout pattern="[%d{HH:mm:ss:SSS}] [%p] - %l - %m%n"/> <Policies> <TimeBasedTriggeringPolicy /> <SizeBasedTriggeringPolicy size="100 MB"/> </Policies> </RollingFile> </Appenders> <!--然后定义logger,只有定义了logger并引入的appender,appender才会生效--> <Loggers> <!--过滤掉spring和mybatis的一些无用的DEBUG信息--> <logger name="org.springframework" level="INFO"></logger> <logger name="org.mybatis" level="INFO"></logger> <Root level="all"> <!-- 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" /> <appender-ref ref="RollingFileInfo"/> <appender-ref ref="RollingFileWarn"/> <appender-ref ref="RollingFileError"/> </Root> </Loggers> </Configuration>
package com.baikeyang.controller; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.baikeyang.controller.music.MusicFMController; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; @Controller @RequestMapping("/teana") public class MessageController { private final static Logger log = LogManager.getLogger(MusicFMController.class); @RequestMapping("") public String index(HttpServletRequest request, HttpServletResponse response){ return "start"; } @RequestMapping("/start/{name}/{age}") public String start(@PathVariable("name") String name, @PathVariable("age") int age) { log.error("姓名:" + name + ", 年龄:" + age); log.trace("trace message"); log.debug("debug message"); log.info("info message"); log.warn("warn message"); log.error("error message"); log.fatal("fatal message"); System.out.println("Hello World!"); return "login"; } public static void main(String[] args) { log.trace("trace message"); log.debug("debug message"); log.info("info message"); log.warn("warn message"); log.error("error message"); log.fatal("fatal message"); System.out.println("Hello World!"); } }