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Host name may not be null registration failed Cannot execute request on any known server

作者：凡人多烦事01 | 2024-03-21 18:17:40

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host name may not be null

项目场景：

Eureka客户端配置由IP改成域名变量

问题描述：

关键异常栈：

Cannot execute request on any known server

java.lang.IllegalArgumentException: Host name may not be null

DiscoveryClient_PCENTER-XXX-SERVER/XXX-PC:pcenter-xxx-server:9090 - registration failed Cannot execute request on any known server

Cannot execute request on any known server

There was a problem with the instance info replicator

 

  1.  
  2. 2021-04-08 11:24:07.530 [INFO ] [DiscoveryClient-CacheRefreshExecutor-0]  com.netflix.discovery.DiscoveryClient(DiscoveryClient.java:1026) - Getting all instance registry info from the eureka server
  3. 2021-04-08 11:24:07.531 [ERROR] [DiscoveryClient-CacheRefreshExecutor-0]  c.n.d.s.t.decorator.RedirectingEurekaHttpClient(RedirectingEurekaHttpClient.java:83) - Request execution error
  4. com.sun.jersey.api.client.ClientHandlerException: java.lang.IllegalArgumentException: Host name may not be null
  5. 	at com.sun.jersey.client.apache4.ApacheHttpClient4Handler.handle(ApacheHttpClient4Handler.java:187)
  6. 	at com.sun.jersey.api.client.filter.GZIPContentEncodingFilter.handle(GZIPContentEncodingFilter.java:123)
  7. 	at com.netflix.discovery.EurekaIdentityHeaderFilter.handle(EurekaIdentityHeaderFilter.java:27)
  8. 	at com.sun.jersey.api.client.Client.handle(Client.java:652)
  9. 	at com.sun.jersey.api.client.WebResource.handle(WebResource.java:682)
  10. 	at com.sun.jersey.api.client.WebResource.access$200(WebResource.java:74)
  11. 	at com.sun.jersey.api.client.WebResource$Builder.get(WebResource.java:509)
  12. 	at com.netflix.discovery.shared.transport.jersey.AbstractJerseyEurekaHttpClient.getApplicationsInternal(AbstractJerseyEurekaHttpClient.java:194)
  13. 	at com.netflix.discovery.shared.transport.jersey.AbstractJerseyEurekaHttpClient.getApplications(AbstractJerseyEurekaHttpClient.java:165)
  14. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$6.execute(EurekaHttpClientDecorator.java:137)
  15. 	at com.netflix.discovery.shared.transport.decorator.MetricsCollectingEurekaHttpClient.execute(MetricsCollectingEurekaHttpClient.java:73)
  16. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134)
  17. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$6.execute(EurekaHttpClientDecorator.java:137)
  18. 	at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.executeOnNewServer(RedirectingEurekaHttpClient.java:118)
  19. 	at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.execute(RedirectingEurekaHttpClient.java:79)
  20. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134)
  21. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$6.execute(EurekaHttpClientDecorator.java:137)
  22. 	at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:119)
  23. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134)
  24. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$6.execute(EurekaHttpClientDecorator.java:137)
  25. 	at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77)
  26. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134)
  27. 	at com.netflix.discovery.DiscoveryClient.getAndStoreFullRegistry(DiscoveryClient.java:1030)
  28. 	at com.netflix.discovery.DiscoveryClient.fetchRegistry(DiscoveryClient.java:944)
  29. 	at com.netflix.discovery.DiscoveryClient.refreshRegistry(DiscoveryClient.java:1468)
  30. 	at com.netflix.discovery.DiscoveryClient$CacheRefreshThread.run(DiscoveryClient.java:1435)
  31. 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  32. 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  33. 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  34. 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  35. 	at java.lang.Thread.run(Thread.java:748)
  36. Caused by: java.lang.IllegalArgumentException: Host name may not be null
  37. 	at org.apache.http.util.Args.containsNoBlanks(Args.java:81)
  38. 	at org.apache.http.HttpHost.<init>(HttpHost.java:80)
  39. 	at com.sun.jersey.client.apache4.ApacheHttpClient4Handler.getHost(ApacheHttpClient4Handler.java:198)
  40. 	at com.sun.jersey.client.apache4.ApacheHttpClient4Handler.handle(ApacheHttpClient4Handler.java:173)
  41. 	... 30 common frames omitted
  42. 2021-04-08 11:24:07.531 [WARN ] [DiscoveryClient-CacheRefreshExecutor-0]  c.n.d.s.t.decorator.RetryableEurekaHttpClient(RetryableEurekaHttpClient.java:129) - Request execution failure
  43. 2021-04-08 11:24:07.531 [ERROR] [DiscoveryClient-CacheRefreshExecutor-0]  com.netflix.discovery.DiscoveryClient(DiscoveryClient.java:951) - DiscoveryClient_PCENTER-ESB-SERVER/ZEQIWK-PC:pcenter-esb-server:9090 - was unable to refresh its cache! status = Cannot execute request on any known server
  44. com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server
  45. 	at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:111)
  46. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134)
  47. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$6.execute(EurekaHttpClientDecorator.java:137)
  48. 	at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77)
  49. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134)
  50. 	at com.netflix.discovery.DiscoveryClient.getAndStoreFullRegistry(DiscoveryClient.java:1030)
  51. 	at com.netflix.discovery.DiscoveryClient.fetchRegistry(DiscoveryClient.java:944)
  52. 	at com.netflix.discovery.DiscoveryClient.refreshRegistry(DiscoveryClient.java:1468)
  53. 	at com.netflix.discovery.DiscoveryClient$CacheRefreshThread.run(DiscoveryClient.java:1435)
  54. 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  55. 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  56. 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  57. 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  58. 	at java.lang.Thread.run(Thread.java:748)
  59. 2021-04-08 11:24:07.532 [ERROR] [DiscoveryClient-HeartbeatExecutor-0]  c.n.d.s.t.decorator.RedirectingEurekaHttpClient(RedirectingEurekaHttpClient.java:83) - Request execution error
  60. com.sun.jersey.api.client.ClientHandlerException: java.lang.IllegalArgumentException: Host name may not be null
  61. 	at com.sun.jersey.client.apache4.ApacheHttpClient4Handler.handle(ApacheHttpClient4Handler.java:187)
  62. 	at com.sun.jersey.api.client.filter.GZIPContentEncodingFilter.handle(GZIPContentEncodingFilter.java:123)
  63. 	at com.netflix.discovery.EurekaIdentityHeaderFilter.handle(EurekaIdentityHeaderFilter.java:27)
  64. 	at com.sun.jersey.api.client.Client.handle(Client.java:652)
  65. 	at com.sun.jersey.api.client.WebResource.handle(WebResource.java:682)
  66. 	at com.sun.jersey.api.client.WebResource.access$200(WebResource.java:74)
  67. 	at com.sun.jersey.api.client.WebResource$Builder.put(WebResource.java:529)
  68. 	at com.netflix.discovery.shared.transport.jersey.AbstractJerseyEurekaHttpClient.sendHeartBeat(AbstractJerseyEurekaHttpClient.java:102)
  69. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$3.execute(EurekaHttpClientDecorator.java:92)
  70. 	at com.netflix.discovery.shared.transport.decorator.MetricsCollectingEurekaHttpClient.execute(MetricsCollectingEurekaHttpClient.java:73)
  71. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
  72. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$3.execute(EurekaHttpClientDecorator.java:92)
  73. 	at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.executeOnNewServer(RedirectingEurekaHttpClient.java:118)
  74. 	at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.execute(RedirectingEurekaHttpClient.java:79)
  75. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
  76. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$3.execute(EurekaHttpClientDecorator.java:92)
  77. 	at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:119)
  78. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
  79. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$3.execute(EurekaHttpClientDecorator.java:92)
  80. 	at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77)
  81. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
  82. 	at com.netflix.discovery.DiscoveryClient.renew(DiscoveryClient.java:832)
  83. 	at com.netflix.discovery.DiscoveryClient$HeartbeatThread.run(DiscoveryClient.java:1396)
  84. 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  85. 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  86. 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  87. 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  88. 	at java.lang.Thread.run(Thread.java:748)
  89. Caused by: java.lang.IllegalArgumentException: Host name may not be null
  90. 	at org.apache.http.util.Args.containsNoBlanks(Args.java:81)
  91. 	at org.apache.http.HttpHost.<init>(HttpHost.java:80)
  92. 	at com.sun.jersey.client.apache4.ApacheHttpClient4Handler.getHost(ApacheHttpClient4Handler.java:198)
  93. 	at com.sun.jersey.client.apache4.ApacheHttpClient4Handler.handle(ApacheHttpClient4Handler.java:173)
  94. 	... 27 common frames omitted
  95. 2021-04-08 11:24:07.532 [WARN ] [DiscoveryClient-HeartbeatExecutor-0]  c.n.d.s.t.decorator.RetryableEurekaHttpClient(RetryableEurekaHttpClient.java:129) - Request execution failure
  96. 2021-04-08 11:24:07.532 [ERROR] [DiscoveryClient-HeartbeatExecutor-0]  com.netflix.discovery.DiscoveryClient(DiscoveryClient.java:841) - DiscoveryClient_PCENTER-ESB-SERVER/ZEQIWK-PC:pcenter-esb-server:9090 - was unable to send heartbeat!
  97. com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server
  98. 	at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:111)
  99. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
  100. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$3.execute(EurekaHttpClientDecorator.java:92)
  101. 	at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77)
  102. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89)
  103. 	at com.netflix.discovery.DiscoveryClient.renew(DiscoveryClient.java:832)
  104. 	at com.netflix.discovery.DiscoveryClient$HeartbeatThread.run(DiscoveryClient.java:1396)
  105. 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  106. 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  107. 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  108. 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  109. 	at java.lang.Thread.run(Thread.java:748)
  110. 2021-04-08 11:24:07.621 [INFO ] [DiscoveryClient-InstanceInfoReplicator-0]  com.netflix.discovery.DiscoveryClient(DiscoveryClient.java:812) - DiscoveryClient_PCENTER-ESB-SERVER/ZEQIWK-PC:pcenter-esb-server:9090: registering service...
  111. 2021-04-08 11:24:07.621 [ERROR] [DiscoveryClient-InstanceInfoReplicator-0]  c.n.d.s.t.decorator.RedirectingEurekaHttpClient(RedirectingEurekaHttpClient.java:83) - Request execution error
  112. com.sun.jersey.api.client.ClientHandlerException: java.lang.IllegalArgumentException: Host name may not be null
  113. 	at com.sun.jersey.client.apache4.ApacheHttpClient4Handler.handle(ApacheHttpClient4Handler.java:187)
  114. 	at com.sun.jersey.api.client.filter.GZIPContentEncodingFilter.handle(GZIPContentEncodingFilter.java:123)
  115. 	at com.netflix.discovery.EurekaIdentityHeaderFilter.handle(EurekaIdentityHeaderFilter.java:27)
  116. 	at com.sun.jersey.api.client.Client.handle(Client.java:652)
  117. 	at com.sun.jersey.api.client.WebResource.handle(WebResource.java:682)
  118. 	at com.sun.jersey.api.client.WebResource.access$200(WebResource.java:74)
  119. 	at com.sun.jersey.api.client.WebResource$Builder.post(WebResource.java:570)
  120. 	at com.netflix.discovery.shared.transport.jersey.AbstractJerseyEurekaHttpClient.register(AbstractJerseyEurekaHttpClient.java:56)
  121. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59)
  122. 	at com.netflix.discovery.shared.transport.decorator.MetricsCollectingEurekaHttpClient.execute(MetricsCollectingEurekaHttpClient.java:73)
  123. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56)
  124. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59)
  125. 	at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.executeOnNewServer(RedirectingEurekaHttpClient.java:118)
  126. 	at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.execute(RedirectingEurekaHttpClient.java:79)
  127. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56)
  128. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59)
  129. 	at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:119)
  130. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56)
  131. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59)
  132. 	at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77)
  133. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56)
  134. 	at com.netflix.discovery.DiscoveryClient.register(DiscoveryClient.java:815)
  135. 	at com.netflix.discovery.InstanceInfoReplicator.run(InstanceInfoReplicator.java:104)
  136. 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  137. 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  138. 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  139. 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  140. 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  141. 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  142. 	at java.lang.Thread.run(Thread.java:748)
  143. Caused by: java.lang.IllegalArgumentException: Host name may not be null
  144. 	at org.apache.http.util.Args.containsNoBlanks(Args.java:81)
  145. 	at org.apache.http.HttpHost.<init>(HttpHost.java:80)
  146. 	at com.sun.jersey.client.apache4.ApacheHttpClient4Handler.getHost(ApacheHttpClient4Handler.java:198)
  147. 	at com.sun.jersey.client.apache4.ApacheHttpClient4Handler.handle(ApacheHttpClient4Handler.java:173)
  148. 	... 29 common frames omitted
  149. 2021-04-08 11:24:07.621 [WARN ] [DiscoveryClient-InstanceInfoReplicator-0]  c.n.d.s.t.decorator.RetryableEurekaHttpClient(RetryableEurekaHttpClient.java:129) - Request execution failure
  150. 2021-04-08 11:24:07.621 [WARN ] [DiscoveryClient-InstanceInfoReplicator-0]  com.netflix.discovery.DiscoveryClient(DiscoveryClient.java:817) - DiscoveryClient_PCENTER-ESB-SERVER/ZEQIWK-PC:pcenter-esb-server:9090 - registration failed Cannot execute request on any known server
  151. com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server
  152. 	at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:111)
  153. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56)
  154. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59)
  155. 	at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77)
  156. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56)
  157. 	at com.netflix.discovery.DiscoveryClient.register(DiscoveryClient.java:815)
  158. 	at com.netflix.discovery.InstanceInfoReplicator.run(InstanceInfoReplicator.java:104)
  159. 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  160. 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  161. 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  162. 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  163. 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  164. 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  165. 	at java.lang.Thread.run(Thread.java:748)
  166. 2021-04-08 11:24:07.621 [WARN ] [DiscoveryClient-InstanceInfoReplicator-0]  com.netflix.discovery.InstanceInfoReplicator(InstanceInfoReplicator.java:108) - There was a problem with the instance info replicator
  167. com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server
  168. 	at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:111)
  169. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56)
  170. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59)
  171. 	at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77)
  172. 	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56)
  173. 	at com.netflix.discovery.DiscoveryClient.register(DiscoveryClient.java:815)
  174. 	at com.netflix.discovery.InstanceInfoReplicator.run(InstanceInfoReplicator.java:104)
  175. 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  176. 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  177. 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
  178. 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
  179. 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  180. 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  181. 	at java.lang.Thread.run(Thread.java:748)

原因分析：

显然是服务器 host name 的问题，也就是IP改成域名造成

解决方案：

因为在eureka中java.net.URI不能区分下划线，所以切记，当使用host作为defaultZone配置时，不要以下划线来命名

eureka.client.serviceUrl.defaultZone=http://isms_paas-eureka_service:8082/eureka/

eureka.client.serviceUrl.defaultZone=http://ismspaas-eurekaservice:8082/eureka/

 

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