微服务踩坑记之Zuul注册到Eureka

女爷i 2024-04-18 13:02 42阅读 0赞

问题如下：  
Request execution error

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.sun.jersey.api.client.filter.GZIPContentEncodingFilter.handle(GZIPContentEncodingFilter.java:123) ~\[jersey-client-1.19.1.jar:1.19.1\]  
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 ( W e b R e s o u r c e . j a v a : 74 )   \[ j e r s e y − c l i e n t − 1.19.1. j a r : 1.19.1 \] a t c o m . s u n . j e r s e y . a p i . c l i e n t . W e b R e s o u r c e 200(WebResource.java:74) ~\[jersey-client-1.19.1.jar:1.19.1\] at com.sun.jersey.api.client.WebResource 200(WebResource.java:74) \[jersey−client−1.19.1.jar:1.19.1\]atcom.sun.jersey.api.client.WebResourceBuilder.post(WebResource.java:570) ~\[jersey-client-1.19.1.jar:1.19.1\]  
at com.netflix.discovery.shared.transport.jersey.AbstractJerseyEurekaHttpClient.register(AbstractJerseyEurekaHttpClient.java:56) ~\[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) \[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.shared.transport.decorator.MetricsCollectingEurekaHttpClient.execute(MetricsCollectingEurekaHttpClient.java:73) ~\[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) \[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) \[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.executeOnNewServer(RedirectingEurekaHttpClient.java:118) ~\[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.execute(RedirectingEurekaHttpClient.java:79) ~\[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) \[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) \[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:120) \[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) \[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) \[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) \[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) \[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.DiscoveryClient.register(DiscoveryClient.java:829) \[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.InstanceInfoReplicator.run(InstanceInfoReplicator.java:121) \[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.InstanceInfoReplicator 1. r u n ( I n s t a n c e I n f o R e p l i c a t o r . j a v a : 101 ) \[ e u r e k a − c l i e n t − 1.9.2. j a r : 1.9.2 \] a t j a v a . u t i l . c o n c u r r e n t . E x e c u t o r s 1.run(InstanceInfoReplicator.java:101) \[eureka-client-1.9.2.jar:1.9.2\] at java.util.concurrent.Executors 1.run(InstanceInfoReplicator.java:101)\[eureka−client−1.9.2.jar:1.9.2\]atjava.util.concurrent.ExecutorsRunnableAdapter.call(Executors.java:511) \[na:1.8.0\_211\]  
at java.util.concurrent.FutureTask.run(FutureTask.java:266) \[na:1.8.0\_211\]  
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access 201 ( S c h e d u l e d T h r e a d P o o l E x e c u t o r . j a v a : 180 ) \[ n a : 1.8. 0 2 11 \] a t j a v a . u t i l . c o n c u r r e n t . S c h e d u l e d T h r e a d P o o l E x e c u t o r 201(ScheduledThreadPoolExecutor.java:180) \[na:1.8.0\_211\] at java.util.concurrent.ScheduledThreadPoolExecutor 201(ScheduledThreadPoolExecutor.java:180)\[na:1.8.0211\]atjava.util.concurrent.ScheduledThreadPoolExecutorScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) \[na:1.8.0\_211\]  
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) \[na:1.8.0\_211\]  
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) \[na:1.8.0\_211\]  
at java.lang.Thread.run(Thread.java:748) \[na:1.8.0\_211\]  
Caused by: java.net.ConnectException: Connection refused (Connection refused)  
at java.net.PlainSocketImpl.socketConnect(Native Method) ~\[na:1.8.0\_211\]  
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~\[na:1.8.0\_211\]  
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~\[na:1.8.0\_211\]  
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~\[na:1.8.0\_211\]  
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~\[na:1.8.0\_211\]  
at java.net.Socket.connect(Socket.java:589) ~\[na:1.8.0\_211\]  
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) ~\[jersey-apache-client4-1.19.1.jar:1.19.1\]  
… 30 common frames omitted

2019-09-06 23:21:30.986 WARN 959 — \[nfoReplicator-0\] c.n.d.s.t.d.RetryableEurekaHttpClient : Request execution failed with message: java.net.ConnectException: Connection refused (Connection refused)  
2019-09-06 23:21:30.989 WARN 959 — \[nfoReplicator-0\] com.netflix.discovery.DiscoveryClient : DiscoveryClient\_UNKNOWN/yangjiedembp - registration failed Cannot execute request on any known server

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) ~\[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) ~\[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) ~\[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) ~\[eureka-client-1.9.2.jar:1.9.2\]  
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) ~\[eureka-client-1.9.2.jar:1.9.2\]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L09ubHlvbmVGcmlzdA_size_16_color_FFFFFF_t_70]  
解决方案：  
第一步：先查看自己的配置文件是否写错 application 我这里是笔误写成了applocation导致的错误  
第二步：检查defaultZone的路径是否写错了。

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L09ubHlvbmVGcmlzdA_size_16_color_FFFFFF_t_70]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/18/0e62fc22963746978edcdbee3c77df1e.png