c.n.discovery.InstanceInfoReplicator : There was a problem with the instance info replicator
在搭建springcloud專案過程中，版本finchrey SR2,
我的微服務pom如下：
<?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>2.1.1.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>com.qjwx.pp</groupId>
<artifactId>emp.consumer.instance1</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>consumerInstance1</name>
<description></description>
<properties>
<java.version>1.8</java.version>
<spring-cloud.version>Finchley.SR2</spring-cloud.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
<!-- 假如不想使用jersay框架做rest支撐，就加上以下配置 <exclusions> <exclusion> <groupId>com.sun.jersey</groupId>
<artifactId>jersey-client</artifactId> </exclusion> <exclusion> <groupId>com.sun.jersey</groupId>
<artifactId>jersey-core</artifactId> </exclusion> <exclusion> <groupId>com.sun.jersey.contribs</groupId>
<artifactId>jersey-apache-client4</artifactId> </exclusion> </exclusions> -->
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<!-- <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-validation</artifactId>
</dependency> -->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.3.2</version>
</dependency>
<!-- alibaba的druid資料庫連線池 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>1.1.10</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
</dependency>
<!-- <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope> </dependency> -->
<!-- https://mvnrepository.com/artifact/com.oracle.jdbc/ojdbc14 -->
<dependency>
<groupId>com.oracle.jdbc</groupId>
<artifactId>ojdbc14</artifactId>
<version>10.2.0.1.0</version>
</dependency>
<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</artifactId>
<version>1.3.5</version>
</dependency>
<!-- <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-validator</artifactId>
<version>5.3.1.Final</version> </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>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<!-- mybatis generator 自動生成程式碼外掛 -->
<plugin>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-maven-plugin</artifactId>
<version>1.3.2</version>
<dependencies>
<dependency>
<groupId>com.oracle.jdbc</groupId>
<artifactId>ojdbc14</artifactId>
<version>10.2.0.1.0</version>
</dependency>
<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</artifactId>
<version>1.3.5</version>
</dependency>
</dependencies>
<executions>
<execution>
<id>Generate MyBatis Artifacts</id>
<phase>package</phase>
<goals>
<goal>generate</goal>
</goals>
</execution>
</executions>
<configuration>
<configurationFile>${basedir}/src/main/resources/mybatis/mybatis-generator.xml</configurationFile>
<overwrite>true</overwrite>
<verbose>true</verbose>
</configuration>
</plugin>
</plugins>
</build>
</project>
搭建好了註冊中心，消費者服務和服務提供者後，服務能正常訪問了。但是在為註冊中心添加了簡答的使用者認證後，客戶端就註冊不上來了報錯如下：
2019-01-14 12:04:18.942 WARN 3988 --- [nfoReplicator-0] c.n.discovery.InstanceInfoReplicator : There was a problem with the instance info replicator
com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server
at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:112) ~[eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) ~[eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) ~[eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) ~[eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) ~[eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.DiscoveryClient.register(DiscoveryClient.java:829) ~[eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.InstanceInfoReplicator.run(InstanceInfoReplicator.java:121) ~[eureka-client-1.9.3.jar:1.9.3]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [na:1.8.0_144]
at java.util.concurrent.FutureTask.run(Unknown Source) [na:1.8.0_144]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(Unknown Source) [na:1.8.0_144]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source) [na:1.8.0_144]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [na:1.8.0_144]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [na:1.8.0_144]
at java.lang.Thread.run(Unknown Source) [na:1.8.0_144]
等會又報：
2019-01-14 12:04:19.785 ERROR 3988 --- [tbeatExecutor-0] com.netflix.discovery.DiscoveryClient : DiscoveryClient_CONSUMER1-APPNAME/consumer1-name:92929e3fdf1e571ce30244529ed483f7 - was unable to send heartbeat!
com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server
at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:112) ~[eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89) ~[eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$3.execute(EurekaHttpClientDecorator.java:92) ~[eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) ~[eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89) ~[eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.DiscoveryClient.renew(DiscoveryClient.java:846) ~[eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.DiscoveryClient$HeartbeatThread.run(DiscoveryClient.java:1399) [eureka-client-1.9.3.jar:1.9.3]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [na:1.8.0_144]
at java.util.concurrent.FutureTask.run(Unknown Source) [na:1.8.0_144]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [na:1.8.0_144]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [na:1.8.0_144]
at java.lang.Thread.run(Unknown Source) [na:1.8.0_144]
當然也可以理解，註冊中心都沒連上，心跳包當然傳送不成功。誰知道這是怎麼回事？誰遇到過？指點一下。