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SpringCloud客户端报错:- was unable to send heartbeat!的解

微服务启动时报错

2021-05-18 21:25:44.644 WARN 5452 — [tbeatExecutor-0] c.n.d.s.t.d.RetryableEurekaHttpClient : Request execution failed with message: null

2021-05-18 21:25:44.644 ERROR 5452 — [tbeatExecutor-0] com.netflix.discovery.DiscoveryClient : DiscoveryClient_SERVICE-HI/LAPTOP-3BVBK0KA:service-hi:8763 - was unable to send heartbeat!

问题原因

Eureka客户端无法发送心跳到服务端

解决方案

查看客户端启动类是否添加服务注册、发现注解。

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@EnableEurekaClient

@EnableDiscoveryClient

SpringCloud客户端启动报错

·Destroy method on bean with name ‘scopedTarget.eurekaClient’ threw an exception: org.springframework.beans.factory.BeanCreationNotAllowedException: Error creating bean with name ‘eurekaInstanceConfigBean’: Singleton bean creation not allowed while singletons of this factory are in destruction (Do not request a bean from a BeanFactory in a destroy method implementation!)

Registering application UNKNOWN with eureka with status UP

DiscoveryClient_UNKNOWN/DESKTOP-MQ8D0C9:8761 > - was unable to refresh its cache! status = Cannot execute request on any known server

项目启动后自动停止,在控制台没看到启动的端口,估计是没有引入spring boot的web包

在pom文件中引入如下

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      < dependency >

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

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

      </dependency>

重启解决问题。

以上为个人经验,希望能给大家一个参考,也希望大家多多支持。

原文链接:https://blog.csdn.net/weixin_42313773/article/details/117001399

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