SpringBoot 2.1.3配置log4j2日志框架完整代码示例
第一步:pom依赖:需要在spring-boot-starter中进行依赖排除配置,因为spring-boot-starter中默认集成了log4j,两者会有冲突。
<dependency><groupId>org.springframework.bootgroupId><artifactId>spring-boot-starterartifactId><exclusions><exclusion><groupId>org.springframework.bootgroupId><artifactId>spring-boot-starter-loggingartifactId>exclusion>exclusions>dependency><dependency><groupId>org.springframework.bootgroupId><artifactId>spring-boot-starter-log4j2artifactId>dependency>
第二步:进行日志的配置:
<Configuration monitorInterval="180" packages=""><properties><property name="prjname">${project.name}property><property name="logdir">logsproperty><property name="PATTERN"> %date{YYYY-MM-dd HH:mm:ss,SSS} %level [%thread][%file:%line] - %msg%n%throwableproperty>properties><Appenders><Console name="Console" target="SYSTEM_OUT"><PatternLayout pattern="${PATTERN}"/>Console><RollingFile name="ErrorAppender" fileName="${logdir}/${prjname}_error.log"filePattern="${logdir}/$${date:yyyy-MM-dd}/${prjname}_error.%d{yyyy-MM-dd-HH}.log" append="true"><PatternLayout pattern="${PATTERN}"/><ThresholdFilter level="ERROR" onMatch="ACCEPT" onMismatch="DENY"/><Policies><TimeBasedTriggeringPolicy interval="1" modulate="true" />Policies>RollingFile><RollingFile name="DebugAppender" fileName="${logdir}/${prjname}_info.log"filePattern="${logdir}/$${date:yyyy-MM-dd}/${prjname}_info.%d{yyyy-MM-dd-HH}.log" append="true"><PatternLayout pattern="${PATTERN}"/><ThresholdFilter level="DEBUG" onMatch="ACCEPT" onMismatch="DENY"/><Policies><TimeBasedTriggeringPolicy interval="1" modulate="true" />Policies>RollingFile><Async name="AsyncAppender" includeLocation="true"><AppenderRef ref="ErrorAppender"/><AppenderRef ref="DebugAppender"/>Async>Appenders><Loggers><logger name="org.springframework" level="INFO">logger><logger name="org.mybatis" level="INFO">logger><logger name="springfox" level="INFO">logger><logger name="org.apache.http" level="INFO">logger><logger name="com.netflix.discovery" level="INFO">logger><Root level="INFO" includeLocation="true"><AppenderRef ref="AsyncAppender"/><AppenderRef ref="Console"/>Root>Loggers>
Configuration>
第三步:在application.yml配置日志:
logging: config: classpath:log4j2-dev.xml
第四步:在代码中使用:
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(DiscoveryServer.class);
关于日志配置文件的详细解释,可以参考此文章:
https://www.cnblogs.com/keeya/p/10101547.html
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