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github:https://github.com/Maple521/springcloud/tree/master/eureka-server
创建一个基础的springboot工程
我的pom文件是
- <?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>
- <parent>
- <groupId>org.springframework.boot</groupId>
- <artifactId>spring-boot-starter-parent</artifactId>
- <version>1.3.7.RELEASE</version>
- <relativePath/> <!-- lookup parent from repository -->
- </parent>
- <groupId>com.maple</groupId>
- <artifactId>eureka-server</artifactId>
- <version>0.0.1-SNAPSHOT</version>
- <name>eureka-server</name>
- <description>Demo project for Eureka Server</description>
-
- <properties>
- <java.version>1.8</java.version>
- <spring-cloud.version>Brixton.SR5</spring-cloud.version>
- </properties>
-
- <dependencies>
- <dependency>
- <groupId>org.springframework.cloud</groupId>
- <artifactId>spring-cloud-starter-eureka-server</artifactId>
- </dependency>
-
- </dependencies>
-
- <dependencyManagement>
- <dependencies>
- <dependency>
- <groupId>org.springframework.cloud</groupId>
- <artifactId>spring-cloud-dependencies</artifactId>
- <version>${spring-cloud.version}</version>
- <type>pom</type>
- <scope>import</scope>
- </dependency>
- </dependencies>
- </dependencyManagement>
-
- <build>
- <plugins>
- <plugin>
- <groupId>org.springframework.boot</groupId>
- <artifactId>spring-boot-maven-plugin</artifactId>
- </plugin>
- </plugins>
- </build>
-
- </project>
等待其下载好jar包,然后通过 @EnableEurekaServer注解启动一个服务注册中心提供给其他应用进行对话。
- package com.maple.eurekaserver;
-
- import org.springframework.boot.SpringApplication;
- import org.springframework.boot.autoconfigure.SpringBootApplication;
- import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;
-
- @EnableEurekaServer
- @SpringBootApplication
- public class EurekaServerApplication {
-
- public static void main(String[] args) {
- SpringApplication.run(EurekaServerApplication.class, args);
- }
- }
在默认设置下,该服务注册中心也会将自己作为客户端来尝试注册它自己,所以我们要禁用它的客户端注册行为,只需在application.properties中增加如下配置:
- server.port=1111
-
- eureka.instance.hostname=localhost
- eureka.client.register-with-eureka=false
- eureka.client.fetch-registry=false
- eureka.client.serviceUrl.defaultZone=http://${eureka.instance.hostname}:${server.port}/eureka/
eureka.client.register-with-eureka:由于该应用为注册中心,所以设置为false,代表不向注册中心注册自己。eureka.client.fetch-registry:由于注册中心的职责就是维护服务实例,它并不需要去检索服务,所以也设置为false。
在完成了上面的配置后,启动应用并访问 http://localhost:1111/。可以看到如下图所示的Eureka信息面板,其中
Instances currently registered with Eureka栏为空,说明该注册中心还没有注册任何服务。
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