eureka server单例部署

2021-02-22  本文已影响0人  十毛tenmao

eureka server与一般的server不同,一般都是官方提供一个可执行文件(脚本或jar包),但是eureka server官方只提供了一个底层jar包,并不能直接执行,需要编码完成一个server(还不知道是为什么要这么麻烦)

引入:spring-cloud-starter-netflix-eureka-server

<?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 https://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>2.4.3</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.tenmao</groupId>
    <artifactId>teureka</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>teureka</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>1.8</java.version>
        <spring-cloud.version>2020.0.1</spring-cloud.version>
    </properties>
    <dependencies>
        <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>
    </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>

启动类:TeurekaApplication

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

配置文件:application.yml

eureka:
  client:
    # 注册中心职责是维护服务实例,false:不检索服务
    fetch-registry: false
    # 此应用为注册中心,false:不向注册中心注册自己
    register-with-eureka: false
server:
  # spring boot的默认端口是8080,需要修改为eureka的8761
  port: 8761

部署后效果

因为没有客户端注册,所以Instances currently registered with Eureka下面都是空的

eureka

常见错误

参考

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