springboot使用actuator动态修改日志级别

Spring Boot 依赖与配置

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

Actuator 配置

management:
  endpoints:
    web:
      exposure:
        include: loggers

初始化配置日志级别

可选的日志级别

• OFF
• ERROR
• WARN
• INFO
• DEBUG
• TRACE

设置全局日志级别

logging.level.root=INFO

设置特定 Package/Class 日志级别

logging.level.<Package/Class>=INFO

示例：logging.level.com.anoyi=INFO

运行时配置日志级别

查看所有 package / class 日志级别的配置

curl http://127.0.0.1:8080/actuator/loggers

查看单个 package / class 日志级别的配置

# 用法
curl http://127.0.0.1:8080/actuator/loggers/<Package/Class>

# 示例
curl http://127.0.0.1:8080/actuator/loggers/com.anoyi

动态修改日志级别

# 用法
curl -X POST \
  http://localhost:8080/actuator/loggers/<Package/Class> \
  -d '{"configuredLevel":"<LEVEL>"}'

# 示例
curl -X POST \
  http://localhost:8080/actuator/loggers/com.anoyi \
  -d '{"configuredLevel":"DEBUG"}'