SpringBoot2配置prometheus浏览器访问404

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背景: SpringBoot2的项目要配置 actuator + prometheus的健康检查，按照教程配置好之后再浏览器测试 http://localhost:port/prometheus 后404错误

项目pom文件添加;

<!--actuator-->

<dependency>

    <groupId>org.springframework.boot</groupId>

    <artifactId>spring-boot-starter-actuator</artifactId>

    <version>2.0.1.RELEASE</version>

</dependency>

<!--pometheus 监控-->

<dependency>

    <groupId>io.micrometer</groupId>

    <artifactId>micrometer-registry-prometheus</artifactId>

    <version>1.0.3</version>

</dependency>

springboot2的配置文件application.properties添加

management.endpoints.enabled-by-default=true

management.endpoints.web.exposure.include="*"

management.endpoints.web.base-path=/

management.endpoints.jmx.exposure.include="*"

management.endpoints.jmx.shutdown.enabled=false

management.endpoints.metrics.export.prometheus.enabled=true

management.endpoints.metrics.distribution.percentiles-histogram[http.server.requests]=true

management.endpoints.security.enabled=false

management.endpoint.health.show-details=always

然后启动项目发现