普元 EOS Microservices 5.0 部署快速开发指南Demo，启动productmanage失败：java.net.UnknownHostException: microservices-5: microservices-5: Name or service not known

【问题】

EOS Microservices 5.0 部署快速开发指南Demo，启动productmanage失败：

Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.servicecomb.pack.omega.context.ServiceConfig]: Factory method 'serviceConfig' threw exception; nested exception is java.lang.IllegalStateException: java.net.UnknownHostException: microservices-5: microservices-5: Name or service not known
 at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185)
 at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:622)
 ... 27 common frames omitted
Caused by: java.lang.IllegalStateException: java.net.UnknownHostException: microservices-5: microservices-5: Name or service not known
 at org.apache.servicecomb.pack.omega.context.ServiceConfig.<init>(ServiceConfig.java:37)
 at org.apache.servicecomb.pack.omega.spring.OmegaSpringConfig.serviceConfig(OmegaSpringConfig.java:81)
 at org.apache.servicecomb.pack.omega.spring.OmegaSpringConfig$$EnhancerBySpringCGLIB$$57b07f5.CGLIB$serviceConfig$0(<generated>)
 at org.apache.servicecomb.pack.omega.spring.OmegaSpringConfig$$EnhancerBySpringCGLIB$$57b07f5$$FastClassBySpringCGLIB$$3685d2c0.invoke(<generated>)
 at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)
 at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:363)
 at org.apache.servicecomb.pack.omega.spring.OmegaSpringConfig$$EnhancerBySpringCGLIB$$57b07f5.serviceConfig(<generated>)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
 ... 28 common frames omitted
Caused by: java.net.UnknownHostException: microservices-5: microservices-5: Name or service not known
 at java.net.InetAddress.getLocalHost(InetAddress.java:1506)
 at org.apache.servicecomb.pack.omega.context.ServiceConfig.<init>(ServiceConfig.java:35)
 ... 39 common frames omitted
Caused by: java.net.UnknownHostException: microservices-5: Name or service not known
 at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
 at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:929)
 at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1324)
 at java.net.InetAddress.getLocalHost(InetAddress.java:1501)
 ... 40 common frames omitted

【解答】

问题原因：microservices-5机器上没有做主机名和ip映射导致；

项目中解决方法：microservices-5机器的/etc/hosts 上做了映射后，productmanage应用启动正常