{"id":881,"date":"2023-03-09T21:58:10","date_gmt":"2023-03-09T13:58:10","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=881"},"modified":"2023-03-09T22:06:53","modified_gmt":"2023-03-09T14:06:53","slug":"spring-cloud-registration-center-eureka","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/03\/09\/spring-cloud-registration-center-eureka\/","title":{"rendered":"Spring Cloud \u6ce8\u518c\u4e2d\u5fc3Eureka"},"content":{"rendered":"<p>Eureka\u662fNetflix\u5f00\u6e90\u7684\u4e00\u6b3e\u63d0\u4f9b\u670d\u52a1\u6ce8\u518c\u548c\u53d1\u73b0\u7684\u4ea7\u54c1\uff0c\u5b83\u63d0\u4f9b\u4e86\u5b8c\u6574\u7684Service Registry\u548cService Discovery\u5b9e\u73b0\u3002\u4e5f\u662fSpring Cloud\u4f53\u7cfb\u4e2d\u6700\u91cd\u8981\u6700\u6838\u5fc3\u7684\u7ec4\u4ef6\u4e4b\u4e00\u3002<\/p>\n<h2>\u80cc\u666f\u4ecb\u7ecd<\/h2>\n<p><!-- more --><\/p>\n<h3>\u670d\u52a1\u4e2d\u5fc3<\/h3>\n<p>\u670d\u52a1\u4e2d\u5fc3\u53c8\u79f0\u6ce8\u518c\u4e2d\u5fc3\uff0c\u7ba1\u7406\u5404\u79cd\u670d\u52a1\u529f\u80fd\u5305\u62ec\u670d\u52a1\u7684\u6ce8\u518c\u3001\u53d1\u73b0\u3001\u7194\u65ad\u3001\u8d1f\u8f7d\u3001\u964d\u7ea7\u7b49\uff0c\u6bd4\u5982dubbo admin\u540e\u53f0\u7684\u5404\u79cd\u529f\u80fd\u3002<\/p>\n<p>\uff081\uff09\u9879\u76eeA\u8c03\u7528\u9879\u76eeB<\/p>\n<p>\u6b63\u5e38\u8c03\u7528\u9879\u76eeA\u8bf7\u6c42\u9879\u76eeB<\/p>\n<p>\u6709\u4e86\u670d\u52a1\u4e2d\u5fc3\u4e4b\u540e\uff0c\u4efb\u4f55\u4e00\u4e2a\u670d\u52a1\u90fd\u4e0d\u80fd\u76f4\u63a5\u53bb\u6389\u7528\uff0c\u90fd\u9700\u8981\u901a\u8fc7\u670d\u52a1\u4e2d\u5fc3\u6765\u8c03\u7528<\/p>\n<p>\u5373\u9879\u76eeA\u8c03\u7528\u9879\u76eeB\uff0c\u9879\u76eeB\u5728\u8c03\u7528\u9879\u76eeC<\/p>\n<p>\uff082\uff09\u9879\u76eeA\u8c03\u7528\u9879\u76eeB\uff0c\u9879\u76eeB\u5728\u8c03\u7528\u9879\u76eeC<\/p>\n<p>\u8c03\u7528\u7684\u6b65\u9aa4\u5206\u4e3a\u4e24\u6b65\uff1a\u7b2c\u4e00\u6b65\uff0c\u9879\u76eeA\u9996\u5148\u4ece\u670d\u52a1\u4e2d\u5fc3\u8bf7\u6c42\u9879\u76eeB\u670d\u52a1\u5668\uff0c\u7136\u540e\u9879\u76eeB\u5728\u4ece\u670d\u52a1\u4e2d\u5fc3\u8bf7\u6c42\u9879\u76eeC\u670d\u52a1\u3002<\/p>\n<p>\u901a\u8fc7\u670d\u52a1\u4e2d\u5fc3\u6765\u83b7\u53d6\u670d\u52a1\u4e0d\u9700\u8981\u5173\u6ce8\u8c03\u7528\u7684\u9879\u76eeIP\u5730\u5740\uff0c\u7531\u51e0\u53f0\u670d\u52a1\u5668\u7ec4\u6210\uff0c\u6bcf\u6b21\u76f4\u63a5\u53bb\u670d\u52a1\u4e2d\u5fc3\u83b7\u53d6\u53ef\u4ee5\u4f7f\u7528\u7684\u670d\u52a1\u53bb\u8c03\u7528\u65e2\u53ef\u3002\u7531\u4e8e\u5404\u79cd\u670d\u52a1\u90fd\u6ce8\u518c\u5230\u4e86\u670d\u52a1\u4e2d\u5fc3\uff0c\u5c31\u6709\u4e86\u53bb\u505a\u5f88\u591a\u9ad8\u7ea7\u529f\u80fd\u6761\u4ef6\u3002\u6bd4\u5982\u51e0\u53f0\u670d\u52a1\u63d0\u4f9b\u76f8\u540c\u670d\u52a1\u6765\u505a\u5747\u8861\u8d1f\u8f7d\uff1b\u76d1\u63a7\u670d\u52a1\u5668\u8c03\u7528\u6210\u529f\u7387\u6765\u505a\u7194\u65ad\uff0c\u79fb\u9664\u670d\u52a1\u5217\u8868\u4e2d\u7684\u6545\u969c\u70b9\uff1b\u76d1\u63a7\u670d\u52a1\u8c03\u7528\u65f6\u95f4\u6765\u5bf9\u4e0d\u540c\u7684\u670d\u52a1\u5668\u8bbe\u7f6e\u4e0d\u540c\u7684\u6743\u91cd\u7b49\u7b49\u3002<\/p>\n<h3>Netflix<\/h3>\n<p>Netflix\u7684\u5f00\u6e90\u6846\u67b6\u7ec4\u4ef6\u5df2\u7ecf\u5728Netflix\u7684\u5927\u89c4\u6a21\u5206\u5e03\u5f0f\u5fae\u670d\u52a1\u73af\u5883\u4e2d\u7ecf\u8fc7\u591a\u5e74\u7684\u751f\u4ea7\u5b9e\u6218\u9a8c\u8bc1\uff0c\u6b63\u9010\u6b65\u88ab\u793e\u533a\u63a5\u53d7\u4e3a\u6784\u9020\u5fae\u670d\u52a1\u6846\u67b6\u7684\u6807\u51c6\u7ec4\u4ef6\u3002Spring Cloud\u5f00\u6e90\u4ea7\u54c1\uff0c\u4e3b\u8981\u662f\u57fa\u4e8e\u5bf9Netflix\u5f00\u6e90\u7ec4\u4ef6\u7684\u8fdb\u4e00\u6b65\u5c01\u88c5\uff0c\u65b9\u4fbfSpring\u5f00\u53d1\u4eba\u5458\u6784\u5efa\u5fae\u670d\u52a1\u57fa\u7840\u6846\u67b6\u3002\u5bf9\u4e8e\u4e00\u4e9b\u6253\u7b97\u6784\u5efa\u5fae\u670d\u52a1\u6846\u67b6\u4f53\u7cfb\u7684\u516c\u53f8\u6765\u8bf4\uff0c\u5145\u5206\u5229\u7528\u6216\u53c2\u8003\u501f\u9274Netflix\u7684\u5f00\u6e90\u5fae\u670d\u52a1\u7ec4\u4ef6(\u6216Spring Cloud)\uff0c\u5728\u6b64\u57fa\u7840\u4e0a\u8fdb\u884c\u5fc5\u8981\u7684\u4f01\u4e1a\u5b9a\u5236\uff0c\u65e0\u7591\u662f\u901a\u5411\u5fae\u670d\u52a1\u67b6\u6784\u7684\u6377\u5f84\u3002<\/p>\n<h3>Eureka<\/h3>\n<p>\u6309\u7167\u5b98\u65b9\u4ecb\u7ecd\uff1a<\/p>\n<blockquote>\n<p>Eureka is a REST (Representational State Transfer) based service that is primarily used in the AWS cloud for locating services for the purpose of load balancing and failover of middle-tier servers.<br \/>\nEureka \u662f\u4e00\u4e2a\u57fa\u4e8e REST \u7684\u670d\u52a1\uff0c\u4e3b\u8981\u5728 AWS \u4e91\u4e2d\u4f7f\u7528, \u5b9a\u4f4d\u670d\u52a1\u6765\u8fdb\u884c\u4e2d\u95f4\u5c42\u670d\u52a1\u5668\u7684\u8d1f\u8f7d\u5747\u8861\u548c\u6545\u969c\u8f6c\u79fb\u3002<\/p>\n<\/blockquote>\n<p>Spring Cloud \u5c01\u88c5\u4e86 Netflix \u516c\u53f8\u5f00\u53d1\u7684 Eureka \u6a21\u5757\u6765\u5b9e\u73b0\u670d\u52a1\u6ce8\u518c\u548c\u53d1\u73b0\u3002Eureka \u91c7\u7528\u4e86 C-S \u7684\u8bbe\u8ba1\u67b6\u6784\u3002Eureka Server \u4f5c\u4e3a\u670d\u52a1\u6ce8\u518c\u529f\u80fd\u7684\u670d\u52a1\u5668\uff0c\u5b83\u662f\u670d\u52a1\u6ce8\u518c\u4e2d\u5fc3\u3002\u800c\u7cfb\u7edf\u4e2d\u7684\u5176\u4ed6\u5fae\u670d\u52a1\uff0c\u4f7f\u7528 Eureka \u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u5230 Eureka Server\uff0c\u5e76\u7ef4\u6301\u5fc3\u8df3\u8fde\u63a5\u3002\u8fd9\u6837\u7cfb\u7edf\u7684\u7ef4\u62a4\u4eba\u5458\u5c31\u53ef\u4ee5\u901a\u8fc7 Eureka Server \u6765\u76d1\u63a7\u7cfb\u7edf\u4e2d\u5404\u4e2a\u5fae\u670d\u52a1\u662f\u5426\u6b63\u5e38\u8fd0\u884c\u3002Spring Cloud \u7684\u4e00\u4e9b\u5176\u4ed6\u6a21\u5757\uff08\u6bd4\u5982Zuul\uff09\u5c31\u53ef\u4ee5\u901a\u8fc7 Eureka Server \u6765\u53d1\u73b0\u7cfb\u7edf\u4e2d\u7684\u5176\u4ed6\u5fae\u670d\u52a1\uff0c\u5e76\u6267\u884c\u76f8\u5173\u7684\u903b\u8f91\u3002<\/p>\n<p>Eureka\u7531\u4e24\u4e2a\u7ec4\u4ef6\u7ec4\u6210\uff1aEureka\u670d\u52a1\u5668\u548cEureka\u5ba2\u6237\u7aef\u3002Eureka\u670d\u52a1\u5668\u7528\u4f5c\u670d\u52a1\u6ce8\u518c\u670d\u52a1\u5668\u3002Eureka\u5ba2\u6237\u7aef\u662f\u4e00\u4e2aJava\u5ba2\u6237\u7aef\uff0c\u7528\u6765\u7b80\u5316\u4e0e\u670d\u52a1\u5668\u7684\u4ea4\u4e92\u3001\u4f5c\u4e3a\u8f6e\u8be2\u8d1f\u8f7d\u5747\u8861\u5668\uff0c\u5e76\u63d0\u4f9b\u670d\u52a1\u7684\u6545\u969c\u5207\u6362\u652f\u6301\u3002Netflix\u5728\u5176\u751f\u4ea7\u73af\u5883\u4e2d\u4f7f\u7528\u7684\u662f\u53e6\u5916\u7684\u5ba2\u6237\u7aef\uff0c\u5b83\u63d0\u4f9b\u57fa\u4e8e\u6d41\u91cf\u3001\u8d44\u6e90\u5229\u7528\u7387\u4ee5\u53ca\u51fa\u9519\u72b6\u6001\u7684\u52a0\u6743\u8d1f\u8f7d\u5747\u8861\u3002<\/p>\n<p>Eureka\u7684\u57fa\u672c\u67b6\u6784\uff0c\u75313\u4e2a\u89d2\u8272\u7ec4\u6210\uff1a<\/p>\n<p>\uff081\uff09<strong>Eureka Server<\/strong><\/p>\n<ul>\n<li>\u63d0\u4f9b\u670d\u52a1\u6ce8\u518c\u548c\u53d1\u73b0<\/li>\n<\/ul>\n<p>\uff082\uff09<strong>Service Provider<\/strong><\/p>\n<ul>\n<li>\u670d\u52a1\u63d0\u4f9b\u65b9<\/li>\n<li>\u5c06\u81ea\u8eab\u670d\u52a1\u6ce8\u518c\u5230Eureka\uff0c\u4ece\u800c\u4f7f\u670d\u52a1\u6d88\u8d39\u65b9\u80fd\u591f\u627e\u5230<\/li>\n<\/ul>\n<p>\uff083\uff09<strong>Service Consumer<\/strong><\/p>\n<ul>\n<li>\u670d\u52a1\u6d88\u8d39\u65b9<\/li>\n<li>\u4eceEureka\u83b7\u53d6\u6ce8\u518c\u670d\u52a1\u5217\u8868\uff0c\u4ece\u800c\u80fd\u591f\u6d88\u8d39\u670d\u52a1<\/li>\n<\/ul>\n<h2>\u6848\u4f8b\u5b9e\u8df5<\/h2>\n<h3>Eureka Server<\/h3>\n<p>spring cloud\u5df2\u7ecf\u5e2e\u6211\u5b9e\u73b0\u4e86\u670d\u52a1\u6ce8\u518c\u4e2d\u5fc3\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5f88\u7b80\u5355\u7684\u51e0\u4e2a\u6b65\u9aa4\u5c31\u53ef\u4ee5\u5b8c\u6210\u3002<\/p>\n<p>\uff081\uff09pom\u4e2d\u6dfb\u52a0\u4f9d\u8d56<\/p>\n<p>\u4f7f\u7528\u6700\u65b0\u7684<code>spring-cloud-starter-netflix-eureka-server<\/code>\uff0c\u800c<code>spring-cloud-starter-eureka-server<\/code>\u5df2\u7ecf\u8fc7\u671f<\/p>\n<pre><code class=\"language-xml\">&lt;dependencies&gt;\n    &lt;!-- https:\/\/mvnrepository.com\/artifact\/org.springframework.cloud\/spring-cloud-starter-netflix-eureka-server --&gt;\n    &lt;dependency&gt;\n        &lt;groupId&gt;org.springframework.cloud&lt;\/groupId&gt;\n        &lt;artifactId&gt;spring-cloud-starter-netflix-eureka-server&lt;\/artifactId&gt;\n        &lt;version&gt;2.1.1.RELEASE&lt;\/version&gt;\n    &lt;\/dependency&gt;\n\n    &lt;dependency&gt;\n        &lt;groupId&gt;org.springframework.boot&lt;\/groupId&gt;\n        &lt;artifactId&gt;spring-boot-starter&lt;\/artifactId&gt;\n    &lt;\/dependency&gt;\n\n    &lt;dependency&gt;\n        &lt;groupId&gt;org.springframework.boot&lt;\/groupId&gt;\n        &lt;artifactId&gt;spring-boot-starter-test&lt;\/artifactId&gt;\n        &lt;scope&gt;test&lt;\/scope&gt;\n    &lt;\/dependency&gt;\n&lt;\/dependencies&gt;\n\n&lt;dependencyManagement&gt;\n    &lt;dependencies&gt;\n        &lt;!--https:\/\/mvnrepository.com\/artifact\/org.springframework.cloud\/spring-cloud-dependencies--&gt;\n        &lt;dependency&gt;\n            &lt;groupId&gt;org.springframework.cloud&lt;\/groupId&gt;\n            &lt;artifactId&gt;spring-cloud-dependencies&lt;\/artifactId&gt;\n            &lt;version&gt;Greenwich.SR1&lt;\/version&gt;\n            &lt;type&gt;pom&lt;\/type&gt;\n            &lt;scope&gt;import&lt;\/scope&gt;\n        &lt;\/dependency&gt;\n    &lt;\/dependencies&gt;\n&lt;\/dependencyManagement&gt;<\/code><\/pre>\n<p>\uff082\uff09\u6dfb\u52a0\u542f\u52a8\u4ee3\u7801\u4e2d\u6dfb\u52a0<code>@EnableEurekaServer<\/code>\u6ce8\u89e3<\/p>\n<pre><code class=\"language-java\">@SpringBootApplication\n@EnableEurekaServer\npublic class SpringCloudEurekaApplication {\n\n    public static void main(String[] args) {\n        SpringApplication.run(SpringCloudEurekaApplication.class, args);\n    }\n}<\/code><\/pre>\n<p>\uff083\uff09\u914d\u7f6e\u6587\u4ef6<\/p>\n<p>\u5728\u9ed8\u8ba4\u8bbe\u7f6e\u4e0b\uff0c\u8be5\u670d\u52a1\u6ce8\u518c\u4e2d\u5fc3\u4e5f\u4f1a\u5c06\u81ea\u5df1\u4f5c\u4e3a\u5ba2\u6237\u7aef\u6765\u5c1d\u8bd5\u6ce8\u518c\u5b83\u81ea\u5df1\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u7981\u7528\u5b83\u7684\u5ba2\u6237\u7aef\u6ce8\u518c\u884c\u4e3a\uff0c\u5728application.properties\u6dfb\u52a0\u4ee5\u4e0b\u914d\u7f6e\uff1a<\/p>\n<pre><code>spring.application.name=spring-cloud-eureka\n\nserver.port=8000\neureka.client.register-with-eureka=false\neureka.client.fetch-registry=false\n\neureka.client.serviceUrl.defaultZone=http:\/\/localhost:${server.port}\/eureka\/<\/code><\/pre>\n<ul>\n<li><code>eureka.client.register-with-eureka<\/code>\uff1a\u8868\u793a\u662f\u5426\u5c06\u81ea\u5df1\u6ce8\u518c\u5230Eureka Server\uff0c\u9ed8\u8ba4\u4e3atrue<\/li>\n<li><code>eureka.client.fetch-registry<\/code>\uff1a\u8868\u793a\u662f\u5426\u4eceEureka Server\u83b7\u53d6\u6ce8\u518c\u4fe1\u606f\uff0c\u9ed8\u8ba4\u4e3atrue<\/li>\n<li><code>eureka.client.serviceUrl.defaultZone<\/code>\uff1a\u8bbe\u7f6e\u4e0eEureka Server\u4ea4\u4e92\u7684\u5730\u5740\uff0c\u67e5\u8be2\u670d\u52a1\u548c\u6ce8\u518c\u670d\u52a1\u90fd\u9700\u8981\u4f9d\u8d56\u8fd9\u4e2a\u5730\u5740\u3002\u9ed8\u8ba4\u662f<code>http:\/\/localhost:8761\/eureka<\/code>\uff0c\u591a\u4e2a\u5730\u5740\u53ef\u4f7f\u7528 <code>,<\/code> \u5206\u9694<\/li>\n<\/ul>\n<pre><code class=\"language-yml\">spring:\n  application:\n    name: spring-cloud-eureka\n\nserver:\n  port: 8000\neureka:\n  client:\n    register-with-eureka: false\n    fetch-registry: false\n    serviceUrl:\n      defaultZone: http:\/\/localhost:${server.port}\/eureka\/\n<\/code><\/pre>\n<p>\u542f\u52a8\u5de5\u7a0b\u540e\uff0c\u8bbf\u95ee\uff1a<a target=\"_blank\" rel=\"noopener\" href=\"http:\/\/localhost:8000\/\uff0c\u53ef\u4ee5\u770b\u5230\u4e0b\u9762\u7684\u9875\u9762\uff0c\u5176\u4e2d\u8fd8\u6ca1\u6709\u53d1\u73b0\u4efb\u4f55\u670d\u52a1\">http:\/\/localhost:8000\/\uff0c\u53ef\u4ee5\u770b\u5230\u4e0b\u9762\u7684\u9875\u9762\uff0c\u5176\u4e2d\u8fd8\u6ca1\u6709\u53d1\u73b0\u4efb\u4f55\u670d\u52a1<\/a><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.yezhou.me\/AppBlog\/images\/Java\/eureka-start.jpg\" alt=\"eureka-start\" \/><\/p>\n<h2>\u96c6\u7fa4<\/h2>\n<p>\u6ce8\u518c\u4e2d\u5fc3\u8fd9\u4e48\u5173\u952e\u7684\u670d\u52a1\uff0c\u5982\u679c\u662f\u5355\u70b9\u8bdd\uff0c\u9047\u5230\u6545\u969c\u5c31\u662f\u6bc1\u706d\u6027\u7684\u3002\u5728\u4e00\u4e2a\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u670d\u52a1\u6ce8\u518c\u4e2d\u5fc3\u662f\u6700\u91cd\u8981\u7684\u57fa\u7840\u90e8\u5206\uff0c\u7406\u5e94\u968f\u65f6\u5904\u4e8e\u53ef\u4ee5\u63d0\u4f9b\u670d\u52a1\u7684\u72b6\u6001\u3002\u4e3a\u4e86\u7ef4\u6301\u5176\u53ef\u7528\u6027\uff0c\u4f7f\u7528\u96c6\u7fa4\u662f\u5f88\u597d\u7684\u89e3\u51b3\u65b9\u6848\u3002Eureka\u901a\u8fc7\u4e92\u76f8\u6ce8\u518c\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u9ad8\u53ef\u7528\u7684\u90e8\u7f72\uff0c\u6240\u4ee5\u6211\u4eec\u53ea\u9700\u8981\u5c06Eureke Server\u914d\u7f6e\u5176\u4ed6\u53ef\u7528\u7684serviceUrl\u5c31\u80fd\u5b9e\u73b0\u9ad8\u53ef\u7528\u90e8\u7f72\u3002<\/p>\n<h3>\u53cc\u8282\u70b9\u6ce8\u518c\u4e2d\u5fc3<\/h3>\n<p>\u9996\u6b21\u6211\u4eec\u5c1d\u8bd5\u4e00\u4e0b\u53cc\u8282\u70b9\u7684\u6ce8\u518c\u4e2d\u5fc3\u7684\u642d\u5efa\u3002<\/p>\n<p>\uff081\uff09\u521b\u5efa<code>application-peer1.properties<\/code>\uff0c\u4f5c\u4e3apeer1\u670d\u52a1\u4e2d\u5fc3\u7684\u914d\u7f6e\uff0c\u5e76\u5c06serviceUrl\u6307\u5411peer2<\/p>\n<pre><code>spring.application.name=spring-cloud-eureka\nserver.port=8000\neureka.instance.hostname=peer1\n\neureka.client.serviceUrl.defaultZone=http:\/\/peer2:8001\/eureka\/<\/code><\/pre>\n<p>\uff082\uff09\u521b\u5efa<code>application-peer2.properties<\/code>\uff0c\u4f5c\u4e3apeer2\u670d\u52a1\u4e2d\u5fc3\u7684\u914d\u7f6e\uff0c\u5e76\u5c06serviceUrl\u6307\u5411peer1<\/p>\n<pre><code>spring.application.name=spring-cloud-eureka\nserver.port=8001\neureka.instance.hostname=peer2\n\neureka.client.serviceUrl.defaultZone=http:\/\/peer1:8000\/eureka\/<\/code><\/pre>\n<p>\uff083\uff09\u6ce8\u91ca\u539f\u6765<code>application.properties<\/code>\u6216<code>application.yml<\/code>\u5173\u4e8eeureka\u7684\u914d\u7f6e<\/p>\n<pre><code>#eureka:\n#  client:\n#    register-with-eureka: false\n#    fetch-registry: false\n#    serviceUrl:\n#      defaultZone: http:\/\/localhost:${server.port}\/eureka\/<\/code><\/pre>\n<p>\u542f\u52a8\u670d\u52a1\u65f6\u5019\uff0c\u5982\u679c\u5b58\u5728<code>application.properties<\/code>\u6216<code>application.yml<\/code>\uff0c\u91cc\u9762\u8fd8\u8bbe\u7f6e\u4e86<code>eureka.client.register-with-eureka=false<\/code>\u548c<code>eureka.client.fetch-registry=false<\/code>\uff0c\u8fd8\u662f\u4f1a\u53bb\u8bfb\u53d6\uff0c\u5bfc\u81f4\u670d\u52a1\u6ca1\u80fd\u6ce8\u518c<\/p>\n<p>\uff084\uff09host\u8f6c\u6362<\/p>\n<p>\u5728hosts\u6587\u4ef6\u4e2d\u52a0\u5165\u5982\u4e0b\u914d\u7f6e<\/p>\n<pre><code>127.0.0.1 peer1\n127.0.0.1 peer2<\/code><\/pre>\n<p>\uff085\uff09\u6253\u5305\u542f\u52a8<\/p>\n<p>\u4f9d\u6b21\u6267\u884c\u4e0b\u9762\u547d\u4ee4<\/p>\n<pre><code># \u6253\u5305\nmvn clean package\n# \u5206\u522b\u4ee5peer1\u548cpeeer2 \u914d\u7f6e\u4fe1\u606f\u542f\u52a8eureka\njava -jar spring-cloud-eureka-0.0.1-SNAPSHOT.jar --spring.profiles.active=peer1\njava -jar spring-cloud-eureka-0.0.1-SNAPSHOT.jar --spring.profiles.active=peer2<\/code><\/pre>\n<p>\u4f9d\u6b21\u542f\u52a8\u5b8c\u6210\u540e\uff0c\u6d4f\u89c8\u5668\u8f93\u5165\uff1a<a target=\"_blank\" rel=\"noopener\" href=\"http:\/\/localhost:8000\/\">http:\/\/localhost:8000\/<\/a> \u6548\u679c\u56fe\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.yezhou.me\/AppBlog\/images\/Java\/eureka-two.jpg\" alt=\"eureka-two\" \/><\/p>\n<p>\u6839\u636e\u56fe\u53ef\u4ee5\u770b\u51fapeer1\u7684\u6ce8\u518c\u4e2d\u5fc3DS Replicas\u5df2\u7ecf\u6709\u4e86peer2\u7684\u76f8\u5173\u914d\u7f6e\u4fe1\u606f\uff0c\u5e76\u4e14\u51fa\u73b0\u5728available-replicas\u4e2d\u3002\u6211\u4eec\u624b\u52a8\u505c\u6b62peer2\u6765\u89c2\u5bdf\uff0c\u53d1\u73b0peer2\u5c31\u4f1a\u79fb\u52a8\u5230unavailable-replicas\u4e00\u680f\u4e2d\uff0c\u8868\u793apeer2\u4e0d\u53ef\u7528\u3002<\/p>\n<p>\u5230\u6b64\u53cc\u8282\u70b9\u7684\u914d\u7f6e\u5df2\u7ecf\u5b8c\u6210\u3002<\/p>\n<h3>Eureka\u96c6\u7fa4\u4f7f\u7528<\/h3>\n<p>\u5728\u751f\u4ea7\u4e2d\u6211\u4eec\u53ef\u80fd\u9700\u8981\u4e09\u53f0\u6216\u8005\u5927\u4e8e\u4e09\u53f0\u7684\u6ce8\u518c\u4e2d\u5fc3\u6765\u4fdd\u8bc1\u670d\u52a1\u7684\u7a33\u5b9a\u6027\uff0c\u914d\u7f6e\u7684\u539f\u7406\u5176\u5b9e\u90fd\u4e00\u6837\uff0c\u5c06\u6ce8\u518c\u4e2d\u5fc3\u5206\u522b\u6307\u5411\u5176\u5b83\u7684\u6ce8\u518c\u4e2d\u5fc3\u3002\u8fd9\u91cc\u53ea\u4ecb\u7ecd\u4e09\u53f0\u96c6\u7fa4\u7684\u914d\u7f6e\u60c5\u51b5\uff0c\u5176\u5b9e\u548c\u53cc\u8282\u70b9\u7684\u6ce8\u518c\u4e2d\u5fc3\u7c7b\u4f3c\uff0c\u6bcf\u53f0\u6ce8\u518c\u4e2d\u5fc3\u5206\u522b\u53c8\u6307\u5411\u5176\u5b83\u4e24\u4e2a\u8282\u70b9\u5373\u53ef\uff0c\u4f7f\u7528application.yml\u6765\u914d\u7f6e\u3002<\/p>\n<p>application.yml\u914d\u7f6e\u8be6\u60c5\u5982\u4e0b\uff1a<\/p>\n<pre><code>---\nspring:\n  application:\n    name: spring-cloud-eureka\n  profiles: peer1\nserver:\n  port: 8000\neureka:\n  instance:\n    hostname: peer1\n  client:\n    serviceUrl:\n      defaultZone: http:\/\/peer2:8001\/eureka\/,http:\/\/peer3:8002\/eureka\/\n---\nspring:\n  application:\n    name: spring-cloud-eureka\n  profiles: peer2\nserver:\n  port: 8001\neureka:\n  instance:\n    hostname: peer2\n  client:\n    serviceUrl:\n      defaultZone: http:\/\/peer1:8000\/eureka\/,http:\/\/peer3:8002\/eureka\/\n---\nspring:\n  application:\n    name: spring-cloud-eureka\n  profiles: peer3\nserver:\n  port: 8002\neureka:\n  instance:\n    hostname: peer3\n  client:\n    serviceUrl:\n      defaultZone: http:\/\/peer1:8000\/eureka\/,http:\/\/peer2:8001\/eureka\/\n<\/code><\/pre>\n<p>\u5206\u522b\u4ee5peer1\u3001peer2\u3001peer3\u7684\u914d\u7f6e\u53c2\u6570\u542f\u52a8eureka\u6ce8\u518c\u4e2d\u5fc3\u3002<\/p>\n<pre><code>java -jar spring-cloud-eureka-0.0.1-SNAPSHOT.jar --spring.profiles.active=peer1\njava -jar spring-cloud-eureka-0.0.1-SNAPSHOT.jar --spring.profiles.active=peer2\njava -jar spring-cloud-eureka-0.0.1-SNAPSHOT.jar --spring.profiles.active=peer3<\/code><\/pre>\n<p>\u4f9d\u6b21\u542f\u52a8\u5b8c\u6210\u540e\uff0c\u6d4f\u89c8\u5668\u8f93\u5165\uff1a<a target=\"_blank\" rel=\"noopener\" href=\"http:\/\/localhost:8000\/\">http:\/\/localhost:8000\/<\/a> \u6548\u679c\u56fe\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.yezhou.me\/AppBlog\/images\/Java\/eureka-cluster.jpg\" alt=\"eureka-cluster\" \/><\/p>\n<p>\u53ef\u4ee5\u5728peer1\u4e2d\u770b\u5230\u4e86peer2\u3001peer3\u7684\u76f8\u5173\u4fe1\u606f\uff0c\u81f3\u6b64Eureka\u96c6\u7fa4\u5df2\u7ecf\u5b8c\u6210\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Eureka\u662fNetflix\u5f00\u6e90\u7684\u4e00\u6b3e\u63d0\u4f9b\u670d\u52a1\u6ce8\u518c\u548c\u53d1\u73b0\u7684\u4ea7\u54c1\uff0c\u5b83\u63d0\u4f9b\u4e86\u5b8c\u6574\u7684Service Registry [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[248],"class_list":["post-881","post","type-post","status-publish","format-standard","hentry","category-spring-cloud","tag-eureka"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/881","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=881"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/881\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}