<dependency>
            <groupId>com.netflix.hystrix</groupId>
            <artifactId>hystrix-core</artifactId>
            <version>1.4.10</version>
        </dependency>
        <!-- http://mvnrepository.com/artifact/com.netflix.hystrix/hystrix-metrics-event-stream -->
        <dependency>
            <groupId>com.netflix.hystrix</groupId>
            <artifactId>hystrix-metrics-event-stream</artifactId>
            <version>1.4.10</version>
        </dependency>

package com.xxx.firstboot.hystrix.dashboard;

import org.springframework.boot.context.embedded.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import com.netflix.hystrix.contrib.metrics.eventstream.HystrixMetricsStreamServlet;

@Configuration
public class HystrixConfig {

    @Bean
    public HystrixMetricsStreamServlet hystrixMetricsStreamServlet(){
        return new HystrixMetricsStreamServlet();
    }

    @Bean
    public ServletRegistrationBean registration(HystrixMetricsStreamServlet servlet){
        ServletRegistrationBean registrationBean = new ServletRegistrationBean();
        registrationBean.setServlet(servlet);
        registrationBean.setEnabled(true);//是否启用该registrationBean
        registrationBean.addUrlMappings("/hystrix.stream");
        return registrationBean;
    }
}