SpringBoot使用log4j2

最新推荐文章于 2024-06-24 17:26:05 发布

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本文介绍如何在Spring Boot项目中排除默认的日志依赖并引入log4j2进行日志记录。通过修改Maven配置文件去除spring-boot-starter-logging依赖，并添加spring-boot-starter-log4j2依赖。同时详细展示了如何在application.yml中指定log4j2配置文件路径及log4j2.properties文件的具体配置。

先在maven里把spring-boot-starter里的spring-boot-starter-logging依赖去掉

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

添加log4j2的依赖

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

在application.yml里配置日志设置文件

logging:
  config: classpath:log4j2.properties

log4j2.properties内容

status = warn
name = MyApp

filter.threshold.type = ThresholdFilter
filter.threshold.level = debug

appender.console.type = Console
appender.console.name = STDOUT
appender.console.layout.type = PatternLayout
appender.console.layout.pattern = %-d{yyyy-MM-dd HH:mm:ss} [ %-5p ] %m (%c:%L)%n

appender.rolling.type = File
appender.rolling.name = log
appender.rolling.append = true
appender.rolling.fileName = d:\\test1.log
appender.rolling.layout.type = PatternLayout
appender.rolling.layout.pattern =  %-d{yyyy-MM-dd HH:mm:ss} [ %-5p ] %m (%c:%L)%n

rootLogger.level = debug
rootLogger.appenderRef.stdout.ref = STDOUT
rootLogger.appenderRef.log.ref = log