我正在尝试创建一个简单的eureka服务器,它将检测其他微服务,并且所有其他微服务都可以通过它进行通信。我正在使用spring boot 2.0.3。
我的eureka服务器
EurekaServerApplication.java文件(eureka服务器)
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;
@SpringBootApplication
@EnableEurekaServer
public class EurekaServerApplication {
public static void main(String[] args) {
SpringApplication.run(EurekaServerApplication.class, args);
}
}
HelloServerApplication 应用配置 (Eureka服务端)
spring.application.name=eureka-server
server.port=8070
应用配置文件 (Eureka 服务器)
eureka:
client:
registerWithEureka: false
fetchRegistry: false
server:
waitTimeInMsWhenSyncEmpty: 0
我的Eureka客户端
HelloServerApplication.java(Eureka客户端)
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
@EnableDiscoveryClient
@SpringBootApplication
public class HelloServerApplication {
public static void main(String[] args) {
SpringApplication.run(HelloServerApplication.class, args);
}
}
应用配置文件 application.yml(Eureka客户端)
spring:
application:
name: hello-server
server:
port: 8071
eureka:
client:
registerWithEureka: true
fetchRegistry: true
serviceUrl:
defaultZone: http://localhost:8070/eureka/
instance:
hostname: localhost
当我运行eureka服务器时,我可以访问位于http://localhost:8070/的服务器,但是当我尝试运行eureka客户端HelloServerApplication.java时,eureka服务器显示以下错误,eureka客户端关闭-
eureka服务器出现错误
2018-06-25 17:26:30.250 ERROR 4635 --- [get_localhost-3] c.n.e.cluster.ReplicationTaskProcessor : Network level connection to peer localhost; retrying after delay
com.sun.jersey.api.client.ClientHandlerException: java.net.ConnectException: Connection refused (Connection refused)
at com.sun.jersey.client.apache4.ApacheHttpClient4Handler.handle(ApacheHttpClient4Handler.java:187) ~[jersey-apache-client4-1.19.1.jar:1.19.1]
at com.netflix.eureka.cluster.DynamicGZIPContentEncodingFilter.handle(DynamicGZIPContentEncodingFilter.java:48) ~[eureka-core-1.9.2.jar:1.9.2]
at com.netflix.discovery.EurekaIdentityHeaderFilter.handle(EurekaIdentityHeaderFilter.java:27) ~[eureka-client-1.9.2.jar:1.9.2]
at com.sun.jersey.api.client.Client.handle(Client.java:652) ~[jersey-client-1.19.1.jar:1.19.1]
at com.sun.jersey.api.client.WebResource.handle(WebResource.java:682) ~[jersey-client-1.19.1.jar:1.19.1]
at com.sun.jersey.api.client.WebResource.access$200(WebResource.java:74) ~[jersey-client-1.19.1.jar:1.19.1]
at com.sun.jersey.api.client.WebResource$Builder.post(WebResource.java:570) ~[jersey-client-1.19.1.jar:1.19.1]
at com.netflix.eureka.transport.JerseyReplicationClient.submitBatchUpdates(JerseyReplicationClient.java:116) ~[eureka-core-1.9.2.jar:1.9.2]
at com.netflix.eureka.cluster.ReplicationTaskProcessor.process(ReplicationTaskProcessor.java:80) ~[eureka-core-1.9.2.jar:1.9.2]
at com.netflix.eureka.util.batcher.TaskExecutors$BatchWorkerRunnable.run(TaskExecutors.java:187) [eureka-core-1.9.2.jar:1.9.2]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_171]
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method) ~[na:1.8.0_171]
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_171]
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_171]
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_171]
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_171]
at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_171]
at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:121) ~[httpclient-4.5.5.jar:4.5.5]
at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:180) ~[httpclient-4.5.5.jar:4.5.5]
at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:144) ~[httpclient-4.5.5.jar:4.5.5]
at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:134) ~[httpclient-4.5.5.jar:4.5.5]
at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:610) ~[httpclient-4.5.5.jar:4.5.5]
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:445) ~[httpclient-4.5.5.jar:4.5.5]
at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:835) ~[httpclient-4.5.5.jar:4.5.5]
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:118) ~[httpclient-4.5.5.jar:4.5.5]
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56) ~[httpclient-4.5.5.jar:4.5.5]
at com.sun.jersey.client.apache4.ApacheHttpClient4Handler.handle(ApacheHttpClient4Handler.java:173) ~[jersey-apache-client4-1.19.1.jar:1.19.1]
... 10 common frames omitted
我尝试将双方的所有属性都移动到 bootstrap.application 文件中,但没有成功。
我尝试了这个解决方案:https://github.com/spring-cloud/spring-cloud-netflix/issues/2893,但没有成功。
defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/
? - Craig SmithserviceUrl: defaultZone: http://localhost:8070/eureka/
。 - SunilserviceUrl:defaultZone:http:// localhost:8070 / eureka /'。现在,服务器不显示巨大的异常消息,而是显示-
2018-06-25 18:50:27.352 INFO 9171 --- [nio-8070-exec-2] c.n.e.registry.AbstractInstanceRegistry:已注册实例HELLO-SERVER / 192.168.1.201:hello-server:8071,状态为UP(复制=false)2018-06-25 18:50:27.414 INFO 9171 --- [nio-8070-exec-3] c.n.e.registry.AbstractInstanceRegistry:已注册实例HELLO-SERVER / 192.168.1.201:hello-server:8071,状态为DOWN(复制=false)`。 - Sunil