Log4j2+spring+maven配置首例
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Log4j2重构了原来的架构,使用的方式也和之前有差别.
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" />
</Console>
</Appenders>
<Loggers>
<Logger name="org.springframework" level="info">
<AppenderRef ref="Console" />
</Logger>
<Root level="debug">
<!-- 这儿为trace表示什么都可以打印出来了,其他几个级别分别为:TRACE、DEBUG、INFO、WARN、ERROR和FATAL -->
<AppenderRef ref="Console" />
</Root>
</Loggers>
</Configuration>
3,在web.xml中配置监听器与过滤器
<!-- Log4j2监听器 -->
<listener>
<listener-class>org.apache.logging.log4j.web.Log4jServletContextListener</listener-class>
</listener>
<!-- Log4j2过滤器 -->
<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>
4,在类中配置
private static Logger log = LogManager.getLogger(xxxControlloer.class.getName());
关于log4j2的更多运用,将在以后的笔记中写出来!
我在网上看了一些例子,也结合自己的操作,总结如下:
2,在src/main/resources目录下,配置log4j2.xml1,在项目pom.xml下,配置
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
<version>2.0.2</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.0.2</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-web</artifactId>
<version>2.0.2</version>
</dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
<version>2.0.2</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.0.2</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-web</artifactId>
<version>2.0.2</version>
</dependency>
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" />
</Console>
</Appenders>
<Loggers>
<Logger name="org.springframework" level="info">
<AppenderRef ref="Console" />
</Logger>
<Root level="debug">
<!-- 这儿为trace表示什么都可以打印出来了,其他几个级别分别为:TRACE、DEBUG、INFO、WARN、ERROR和FATAL -->
<AppenderRef ref="Console" />
</Root>
</Loggers>
</Configuration>
3,在web.xml中配置监听器与过滤器
<!-- Log4j2监听器 -->
<listener>
<listener-class>org.apache.logging.log4j.web.Log4jServletContextListener</listener-class>
</listener>
<!-- Log4j2过滤器 -->
<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>
4,在类中配置
private static Logger log = LogManager.getLogger(xxxControlloer.class.getName());
关于log4j2的更多运用,将在以后的笔记中写出来!
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