2017-09-12 4 views
0

Future 클래스를 가져올 때 Future is not a member of scala.concurrent 오류가 발생합니다.Future는 scala.concurrent의 구성원이 아닙니다.

~/workspace/experiments $ scala 
Welcome to Scala version 2.9.2 (OpenJDK 64-Bit Server VM, Java 1.7.0_151). 
Type in expressions to have them evaluated. 
Type :help for more information. 

scala> import scala.concurrent.Future 
<console>:7: error: Future is not a member of scala.concurrent 
     import scala.concurrent.Future 
      ^

scala> 
내가 Unbuntu 14.04에서이 작업을 실행 해요

:

~/workspace/experiments $ cat /etc/lsb-release             
DISTRIB_ID=Ubuntu 
DISTRIB_RELEASE=14.04 
DISTRIB_CODENAME=trusty 
DISTRIB_DESCRIPTION="Ubuntu 14.04.5 LTS" 

이 하나가 내가 잘못 알고 있나요?

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