scala sbt proxy https error解决办法

sbt下载相关依赖时报以下错误:
:: problems summary ::
:::: WARNINGS
    module not found: org.scala-sbt#sbt;0.13.11

:::: ERRORS
    Server access Error: sun.security.validator.ValidatorException:
    PKIX path building failed:
    sun.security.provider.certpath.SunCertPathBuilderException:
    unable to find valid certification path to requested target
    url=https://repo.typesafe.com/typesafe/ivy-releases/org.scala-sbt/sbt/0.13.11/ivys/ivy.xml
Anyone else get this working? I've tried all sorts of stuff I've found on Google. Tried passing the same command line

解决办法：

在用户根目录下建立文件。
~/.sbt/repositories

输入以下内容，代码从以下站点下载依赖的包。
[repositories]
local
maven-http: http://repo1.maven.org/maven2
typesafe-releases: http://repo.typesafe.com/typesafe/releases, [organization]/[module]/(scala[scalaVersion]/)(sbt[sbtVersion]/)[revision]/[type]s/[artifact](-[classifier]).[ext]
typesafe-ivy-releases: http://repo.typesafe.com/typesafe/ivy-releases, [organization]/[module]/(scala[scalaVersion]/)(sbt[sbtVersion]/)[revision]/[type]s/[artifact](-[classifier]).[ext]
typesafe-maven-releases: http://repo.typesafe.com/typesafe/maven-releases, [organization]/[module]/(scala[scalaVersion]/)(sbt[sbtVersion]/)[revision]/[type]s/[artifact](-[classifier]).[ext]