Scala運行腳本時報UnknownHostException解決辦法

‍[root@bogon Desktop]# scala /usr/local/scala-2.10.5/hello.scala
java.net.UnknownHostException: bogon: bogon: Name or service not known
 at java.net.InetAddress.getLocalHost(InetAddress.java:1473)
 at scala.tools.nsc.io.Socket$.localhost(Socket.scala:38)
 at scala.tools.nsc.CompileSocket.getsock$1(CompileSocket.scala:169)
 at scala.tools.nsc.CompileSocket.getOrCreateSocket(CompileSocket.scala:184)
 at scala.tools.nsc.ScriptRunner.compileWithDaemon(ScriptRunner.scala:80)
 at scala.tools.nsc.ScriptRunner.scala$tools$nsc$ScriptRunner$$compile$1(ScriptRunner.scala:123)
 at scala.tools.nsc.ScriptRunner$$anonfun$withCompiledScript$1.apply$mcZ$sp(ScriptRunner.scala:157)
 at scala.tools.nsc.ScriptRunner$$anonfun$withCompiledScript$1.apply(ScriptRunner.scala:131)
 at scala.tools.nsc.ScriptRunner$$anonfun$withCompiledScript$1.apply(ScriptRunner.scala:131)
 at scala.tools.nsc.util.package$.trackingThreads(package.scala:51)
 at scala.tools.nsc.util.package$.waitingForThreads(package.scala:35)
 at scala.tools.nsc.ScriptRunner.withCompiledScript(ScriptRunner.scala:130)
 at scala.tools.nsc.ScriptRunner.runScript(ScriptRunner.scala:188)
 at scala.tools.nsc.ScriptRunner.runScriptAndCatch(ScriptRunner.scala:201)
 at scala.tools.nsc.MainGenericRunner.runTarget$1(MainGenericRunner.scala:76)
 at scala.tools.nsc.MainGenericRunner.process(MainGenericRunner.scala:96)
 at scala.tools.nsc.MainGenericRunner$.main(MainGenericRunner.scala:105)
 at scala.tools.nsc.MainGenericRunner.main(MainGenericRunner.scala)
Caused by: java.net.UnknownHostException: bogon: Name or service not known
 at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
 at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:901)
 at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1293)
 at java.net.InetAddress.getLocalHost(InetAddress.java:1469)
 ... 17 more

樓主在執行一個Scala腳本小例子的時候出現瞭如上問題，基於樓主Linux是個菜鳥，因此一陣度娘仍然無果。

後發現是因爲系統連不上bogon這個主機名，致使scala腳本編譯失敗

因此相似狀況可按以下步驟操做：

       1.打開系統hosts文件，vim  /etc/hosts

       2.添加一條主機名和IP地址的映射，如127.0.0.1  bogon

這樣便解決了以前編譯失敗的問題