spring-cloud-starter-openfeign 4.0.4配置超时时间和默认重试机制，测试超时场景

2024-03-15 1396阅读

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配置超时时间application.yml

spring-cloud-starter-openfeign 4.0.4配置超时时间和默认重试机制，测试超时场景
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spring:
  cloud:
    openfeign:
      client:
        config:
          testClient:
            connectTimeout: 1000
            readTimeout: 10000
            loggerLevel: basic
            retryer: feign.Retryer.Default

配置openfeignclient日志打印

logging:
  level:
    root: DEBUG

openfeignclient服务

@Controller
public class TestController {
    @Autowired
    private TestClient testClient;
    @GetMapping("/delay/test")
    public ResponseEntity testdelay() {
        testClient.delay();
        return ResponseEntity.ok("test  Delayed response");
    }
}

@FeignClient(url = "http://localhost:8081/", name="testClient")
public interface TestClient {
    @GetMapping(value = "/delay", headers = {"Content-Type=application/json;charset=UTF-8"})
    void delay();
}

@SpringBootApplication
@EnableAuroraFeignClients
public class OpenFeignCilentApplication {
    public static void main(String[] args) {
        SpringApplication.run(OpenFeignCilentApplication.class, args);
    }
}

mock dealy服务

@RestController
public class DelayController {
    @GetMapping("/delay")
    public ResponseEntity delayEndpoint() throws InterruptedException {
        Thread.sleep(50000);
        return ResponseEntity.ok("Delayed response");
    }
}

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

测试Connect timed out

配置@FeignClient的url中的ip地址为不可路由的IP地址，如192.168.8.8，openfeignclient配置connectTimeout为10秒，

测试结果

"http://192.168.8.8:8080/  尝试连接到不可路由的IP地址，例如192.168.8.8。 Connect timed out
2024-03-14T19:08:24.397+08:00  INFO 30452 --- [io-18009-exec-1] o.s.web.servlet.DispatcherServlet        : Initializing Servlet 'dispatcherServlet'
2024-03-14T19:08:24.397+08:00  INFO 30452 --- [io-18009-exec-1] o.s.web.servlet.DispatcherServlet        : Completed initialization in 0 ms
2024-03-14T19:08:24.413+08:00 DEBUG 30452 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay] ---> GET http://192.168.8.8:8080/delay HTTP/1.1
2024-03-14T19:08:25.423+08:00 DEBUG 30452 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay]  RETRYING
2024-03-14T19:08:25.580+08:00 DEBUG 30452 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay] ---> GET http://192.168.8.8:8080/delay HTTP/1.1
2024-03-14T19:08:26.595+08:00 DEBUG 30452 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay]  RETRYING
2024-03-14T19:08:26.821+08:00 DEBUG 30452 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay] ---> GET http://192.168.8.8:8080/delay HTTP/1.1
2024-03-14T19:08:27.826+08:00 DEBUG 30452 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay]  RETRYING
2024-03-14T19:08:28.166+08:00 DEBUG 30452 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay] ---> GET http://192.168.8.8:8080/delay HTTP/1.1
2024-03-14T19:08:29.167+08:00 DEBUG 30452 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay]  RETRYING
2024-03-14T19:08:29.675+08:00 DEBUG 30452 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay] ---> GET http://192.168.8.8:8080/delay HTTP/1.1
2024-03-14T19:08:30.680+08:00 DEBUG 30452 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay]  GET http://localhost:8080/delay HTTP/1.1
2024-03-14T19:01:53.110+08:00 DEBUG 32740 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay]  RETRYING
2024-03-14T19:01:53.269+08:00 DEBUG 32740 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay] ---> GET http://localhost:8080/delay HTTP/1.1
2024-03-14T19:02:03.279+08:00 DEBUG 32740 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay]  RETRYING
2024-03-14T19:02:03.505+08:00 DEBUG 32740 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay] ---> GET http://localhost:8080/delay HTTP/1.1
2024-03-14T19:02:13.512+08:00 DEBUG 32740 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay]  RETRYING
2024-03-14T19:02:13.850+08:00 DEBUG 32740 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay] ---> GET http://localhost:8080/delay HTTP/1.1
2024-03-14T19:02:23.859+08:00 DEBUG 32740 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay]  RETRYING
2024-03-14T19:02:24.368+08:00 DEBUG 32740 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay] ---> GET http://localhost:8080/delay HTTP/1.1
2024-03-14T19:02:34.374+08:00 DEBUG 32740 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay]  GET http://localhost:8081/delay HTTP/1.1
2024-03-14T19:10:36.091+08:00 DEBUG 28072 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay]  RETRYING
2024-03-14T19:10:36.258+08:00 DEBUG 28072 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay] ---> GET http://localhost:8081/delay HTTP/1.1
2024-03-14T19:10:36.259+08:00 DEBUG 28072 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay]  RETRYING
2024-03-14T19:10:36.486+08:00 DEBUG 28072 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay] ---> GET http://localhost:8081/delay HTTP/1.1
2024-03-14T19:10:36.487+08:00 DEBUG 28072 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay]  RETRYING
2024-03-14T19:10:36.825+08:00 DEBUG 28072 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay] ---> GET http://localhost:8081/delay HTTP/1.1
2024-03-14T19:10:36.826+08:00 DEBUG 28072 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay]  RETRYING
2024-03-14T19:10:37.333+08:00 DEBUG 28072 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay] ---> GET http://localhost:8081/delay HTTP/1.1
2024-03-14T19:10:37.357+08:00 DEBUG 28072 --- [io-18009-exec-1] c.e.openfeigncilent.client.TestClient    : [TestClient#delay]
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