Scala 下载失败。手动获取jar并将其放置在./.lib/0.12.2/sbt-launch.jar

我正在尝试运行./sbt文件，但它抛出了一个错误

Detected sbt version 0.12.2
Starting sbt: invoke with -help for other options
Downloading sbt launcher 0.12.2:
  From  http://typesafe.artifactoryonline.com/typesafe/ivy-releases/org.scala-sbt/sbt-launch/0.12.2/sbt-launch.jar
    To  ./.lib/0.12.2/sbt-launch.jar
Download failed. Obtain the jar manually and place it at ./.lib/0.12.2/sbt-launch.jar

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我被手动sbt-launch.jar放在/.lib/0.12.2/目录中，然后工作正常

./.lib/0.12.2/sbt-launch.jar