java.net.UnknownHostException: xxx: 未知的名稱或服務

注：xxx：表明服務器名稱html 報錯代碼：java [ERROR]-[Thread: localhost-startStop-1]-[net.sf.ehcache.Cache.<clinit>()]: Unable to set localhost. This prevents creation of a GUID. Cause was: xxx: 未知的名稱或服務 java.net.Unkn

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