java.net.UnknownHostException解決__.net

新上線的系統發現報如下錯誤

 at java.net.InetAddress.getLocalHost(InetAddress.java:1505) ~[na:1.8.0_92]        at net.sf.ehcache.Cache.<clinit>(Cache.java:214) ~[ehcache-2.7.4.jar:2.7.4]        at net.sf.ehcache.config.ConfigurationHelper.createCache(ConfigurationHelper.java:296) [ehcache-2.7.4.jar:2.7.4]        at net.sf.ehcache.config.ConfigurationHelper.createDefaultCache(ConfigurationHelper.java:219) [ehcache-2.7.4.jar:2.7.4]        at net.sf.ehcache.CacheManager.configure(CacheManager.java:777) [ehcache-2.7.4.jar:2.7.4]        at net.sf.ehcache.CacheManager.doInit(CacheManager.java:476) [ehcache-2.7.4.jar:2.7.4]        at net.sf.ehcache.CacheManager.init(CacheManager.java:392) [ehcache-2.7.4.jar:2.7.4]        at net.sf.ehcache.CacheManager.<init>(CacheManager.java:265) [ehcache-2.7.4.jar:2.7.4]        at net.sf.ehcache.CacheManager.newInstance(CacheManager.java:1097) [ehcache-2.7.4.jar:2.7.4]        at net.sf.ehcache.CacheManager.newInstance(CacheManager.java:1073) [ehcache-2.7.4.jar:2.7.4]        at net.sf.ehcache.CacheManager.create(CacheManager.java:1056) [ehcache-2.7.4.jar:2.7.4]        at org.springframework.cache.ehcache.EhCacheManagerFactoryBean.afterPropertiesSet(EhCacheManagerFactoryBean.java:139) [spring-context-support-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1633) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1570) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:351) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:108) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1477) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1222) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:351) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:108) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1477) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1222) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) [spring-beans-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.aop.support.AbstractBeanFactoryPointcutAdvisor.getAdvice(AbstractBeanFactoryPointcutAdvisor.java:88) [spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.aop.aspectj.AspectJProxyUtils.isAspectJAdvice(AspectJProxyUtils.java:67) [spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.aop.aspectj.AspectJProxyUtils.makeAdvisorChainAspectJCapableIfNecessary(AspectJProxyUtils.java:49) [spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.aop.aspectj.autoproxy.AspectJAwareAdvisorAutoProxyCreator.extendAdvisors(AspectJAwareAdvisorAutoProxyCreator.java:97) [spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.findEligibleAdvisors(AbstractAdvisorAutoProxyCreator.java:89) [spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.getAdvicesAndAdvisorsForBean(AbstractAdvisorAutoProxyCreator.java:69) [spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:330) [spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:293) [spring-aop-4.1.7.RELEASE.jar:4.1.7.RELEASE]        at org.springframework