<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>peter.test</groupId><artifactId>producer1</artifactId><version>0.0.1-SNAPSHOT</version><packaging>jar</packaging><name>producer1</name><description>Demo project for Spring Eureka Producer</description><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>2.0.3.RELEASE</version><relativePath/> <!-- lookup parent from repository --></parent><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding><java.version>10</java.version><spring-cloud.version>Finchley.RELEASE</spring-cloud.version></properties><dependencies><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-eureka-client</artifactId></dependency><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-eureka-server</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><dependency><groupId>javax.xml.bind</groupId><artifactId>jaxb-api</artifactId><version>2.3.0</version></dependency></dependencies><dependencyManagement><dependencies><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-dependencies</artifactId><version>${spring-cloud.version}</version><type>pom</type><scope>import</scope></dependency></dependencies></dependencyManagement><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build></project>

---
spring:application:name: spring-cloud-producerprofiles: producer1
server:port: 9010
eureka:instance:hostname: peterhost1#ip-address: 127.0.0.1#prefer-ip-address: trueclient:service-url:defaultZone: http://peterhost1:9000/eureka/

@SpringBootApplication
@EnableDiscoveryClient
@ComponentScan({"peter.test.producer1","Service"})
public class Producer1Application {public static void main(String[] args) {SpringApplication.run(Producer1Application.class, args);}
}@RestController
class TestController{@RequestMapping("/test")public String index(){return "peter host.";}@RequestMapping("/test2")public String index(@RequestParam String name) {return "hello "+name+"，this is first messge";}}

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>peter.test</groupId><artifactId>consumer1</artifactId><version>0.0.1-SNAPSHOT</version><packaging>jar</packaging><name>consumer1</name><description>Demo project for Spring Boot</description><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>2.0.3.RELEASE</version><relativePath/> <!-- lookup parent from repository --></parent><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding><java.version>10</java.version><spring-cloud.version>Finchley.RELEASE</spring-cloud.version></properties><dependencies><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-eureka-client</artifactId></dependency><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-eureka-server</artifactId></dependency><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-openfeign</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><dependency><groupId>javax.xml.bind</groupId><artifactId>jaxb-api</artifactId><version>2.3.0</version></dependency><!--Monitor--><!-- https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-starter-netflix-hystrix --><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-hystrix</artifactId></dependency><!-- https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-starter-netflix-hystrix-dashboard --><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-hystrix-dashboard</artifactId></dependency><!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-actuator --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-actuator</artifactId></dependency><!--turbine--><!-- https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-netflix-turbine --><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-netflix-turbine</artifactId></dependency><!-- https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-starter-netflix-turbine --><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-turbine</artifactId></dependency></dependencies><dependencyManagement><dependencies><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-dependencies</artifactId><version>${spring-cloud.version}</version><type>pom</type><scope>import</scope></dependency></dependencies></dependencyManagement><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build></project>

---
spring:application:name: spring-cloud-consumer1profiles: consumer1
server:port: 9021
feign:hystrix:enabled:true
eureka:instance:hostname: peterhost1client:service-url:defaultZone: http://peterhost1:9000/eureka/

@FeignClient(name= "spring-cloud-producer",fallback =Producer1ServiceHelloHystrix.class)
@Component
public interface Producer1Service {@RequestMapping(value = "/hello")public String hello(@RequestParam(value = "name") String name);}

@Component
public class Producer1ServiceHelloHystrix implements  Producer1Service{@Overridepublic String hello(String name) {return "hello" +name+", this messge from hystrix. ";}
}

@RestController
public class ConsumerController {@AutowiredProducer1Service producer1Service;@RequestMapping("/hello/{name}")public String index(@PathVariable("name") String name) {System.out.println("log begin\r\n");String remoteResult="Air";System.out.println(producer1Service.toString());try{if(producer1Service==null)   {remoteResult="Null remote service.";System.out.println("Null remote service.\r\n");}elseremoteResult=producer1Service.hello(name);}catch (Exception ex){remoteResult+="\r\n"+ex.getMessage()+ex.getCause()+ex.getStackTrace().toString();}return remoteResult;}@Autowiredprivate DiscoveryClient discoveryClient;@RequestMapping("/service-instances/{applicationName}")public List<ServiceInstance> serviceInstancesByApplicationName(@PathVariable String applicationName) {return this.discoveryClient.getInstances(applicationName);}}

---
spring:application:name: spring-cloud-producerprofiles: producer2
server:port: 9011
eureka:instance:hostname: peterhost2#ip-address: 127.0.0.1#prefer-ip-address: trueclient:service-url:defaultZone: http://peterhost2:9001/eureka/