本文介绍了Play框架GUID的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我创建了一个播放应用程序。当我运行应用程序时，我得到这个错误在开发和产品
I have created a play application. When i am running the application i'm getting this error both in dev and prod
07:59:58,445 INFO ~ Precompiling ...
08:00:08,884 ERROR ~ Unable to set localhost. This prevents creation of a GUID. Cause was: sys3: sys3: Name or service not known
java.net.UnknownHostException: sys3: sys3: Name or service not known
at java.net.InetAddress.getLocalHost(InetAddress.java:1438)
at net.sf.ehcache.Cache.<clinit>(Cache.java:155)
at net.sf.ehcache.config.ConfigurationHelper.createCache(ConfigurationHelper.java:298)
at net.sf.ehcache.config.ConfigurationHelper.createDefaultCache(ConfigurationHelper.java:214)
at net.sf.ehcache.CacheManager.configure(CacheManager.java:552)
at net.sf.ehcache.CacheManager.init(CacheManager.java:323)
at net.sf.ehcache.CacheManager.<init>(CacheManager.java:279)
at net.sf.ehcache.CacheManager.create(CacheManager.java:641)
at play.cache.EhCacheImpl.<init>(EhCacheImpl.java:31)
at play.cache.EhCacheImpl.newInstance(EhCacheImpl.java:41)
at play.cache.Cache.init(Cache.java:241)
at play.Play.start(Play.java:511)
at play.Play.init(Play.java:300)
at play.server.Server.main(Server.java:158)
Caused by: java.net.UnknownHostException: sys3: Name or service not known
at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:866)
at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1258)
at java.net.InetAddress.getLocalHost(InetAddress.java:1434)
... 13 more
我不知道这是什么，这将做什么。如何解决这个问题。 。帮助我。
I don't know what is this, what this will do. How to solve this issue. Pl help me.
推荐答案
java无法将mynap3解析为localhost，所以你必须添加
java is unable to resolve mynap3 as localhost, so you'll have to add the line
127.0.0.1 localhost mynap3
到您的/ etc / hosts文件
to your /etc/hosts file
您可以执行
sudo bash
echo "127.0.0.1 localhost mynap3" >> /etc/hosts
这篇关于Play框架GUID的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！