springcloud.7.添加熔断监控

最新推荐文章于 2025-02-13 14:34:52 发布

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本文介绍如何在Spring Cloud项目中配置Hystrix仪表盘，包括添加依赖、启用注解、配置Servlet以及如何访问监控页面，实现对服务请求状态的实时监控。

在上一节创建的feign项目中的pom文件添加依赖

<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-netflix-hystrix-dashboard</artifactId>
</dependency>

启动类增加注解@EnableHystrixDashboard

@SpringBootApplication
@EnableFeignClients
@EnableDiscoveryClient
@EnableHystrixDashboard
public class WebAdminFeignApplication {
    public static void main(String[] args) {
        SpringApplication.run(WebAdminFeignApplication.class,args);
    }
}

配置HystrixMetricsStreamServlet

package com.yuu.hello.spring.cloud.web.admin.feign.config;

import com.netflix.hystrix.contrib.metrics.eventstream.HystrixMetricsStreamServlet;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;


@Configuration
public class HystrixDashboardConfiguration {
    @Bean
    public ServletRegistrationBean getServlet(){
        HystrixMetricsStreamServlet streamServlet = new HystrixMetricsStreamServlet();
        ServletRegistrationBean registrationBean = new ServletRegistrationBean(streamServlet);
        registrationBean.setLoadOnStartup(1);
        registrationBean.addUrlMappings("/hystrix.stream");
        registrationBean.setName("HystrixMetricsStreamServlet");
        return registrationBean;
    }
}