问题描述
我无法理解，也找不到关于如何修复主题中的异常的任何解释。
这是我使用的主要代码：
尤里卡服务器
申请：
...
@SpringBootApplication
@EnableEurekaServer
public class BbSimApplication {
public static void main(String[] args) {
SpringApplication.run(BbSimApplication.class,args);
}
}
application.yml：
server.port : 8088
spring:
application:
name : bbsim-discovery-server
eureka:
server:
evictionIntervalTimerInMs: 3000
response-cache-update-interval-ms: 3000
wait-time-in-ms-when-sync-empty: 0
peer-node-read-timeout-ms : 10000
client:
registerWithEureka: false
fetchRegistry: false
service-url:
defaultZone: http://localhost:${server.port}/eureka
控制器类：
@RestController
public class WebController {
@Autowired private WebService webService;
@GetMapping("/matchresultbyids")
public MatchStats matchResult(@RequestParam Long homeId,@RequestParam Long awayId){
return webService.matchResult(homeId,awayId);
}
}
经理服务
申请：
@SpringBootApplication
@EnableFeignClients
@EnablediscoveryClient
public class BBSimManagerServiceApplication {
public static void main(String[] args) {
SpringApplication.run(BBSimManagerServiceApplication.class,args);
}
}
application.yaml：
server.port: 9903
spring:
application.name: bbsim-manager-service
eureka:
client:
serviceUrl:
defaultZone: ${EUREKA_URI:http://localhost:8088/eureka}
registryFetchIntervalSeconds: 1
# register-with-eureka: true
# fetch-registry: true
instance:
leaserenewalIntervalInSeconds: 1
客户端界面：
@FeignClient("match-result-service")
public interface MatchResultClient {
@GetMapping("/matchresultbyids")
MatchStats getMatchResult();
}
控制器类：
@RestController
public class BbsimManagerController {
@Autowired
MatchResultClient matchStatsClient;
@GetMapping("/matchresultbyids")
public MatchStats matchResult(){
return matchStatsClient.getMatchResult();
}
}
匹配结果服务
申请：
@SpringBootApplication
@EnablediscoveryClient
public class MatchResultServiceApplication {
public static void main(String[] args) {
SpringApplication.run(MatchResultServiceApplication.class,args);
}
}
application.yml：
server.port: 9901
spring:
application:
name: match-result-service
eureka:
client:
serviceUrl:
defaultZone: http://localhost:8088/eureka/
registryFetchIntervalSeconds: 1
instance:
leaserenewalIntervalInSeconds: 1
控制器：
@RestController
public class WebController {
@Autowired private WebService webService;
@GetMapping("/matchresultbyids")
public MatchStats matchResult(){
return webService.matchResult();
}
}
当我尝试执行时：
http://localhost:9903/matchresultbyids
我得到了例外：
o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing Failed; nested exception is feign.FeignException$ServiceUnavailable: [503] during [GET] to [http://match-result-service/matchresultbyids?homeId=0&awayId=1] [MatchResultClient#getMatchResult()]: [Load balancer does not contain an instance for the service match-result-service]] with root cause
feign.FeignException$ServiceUnavailable: [503] during [GET] to [http://match-result-service/matchresultbyids?homeId=0&awayId=1] [MatchResultClient#getMatchResult()]: [Load balancer does not contain an instance for the service match-result-service]
你能告诉我哪里出了问题以及如何解决吗？
谢谢大家。
解决方法
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