Similar problem with How to use sbt behind authenticated proxy?. I tried with the given answer and problem still there.
When I run sbt in terminal, it shows and stucks at :
Getting org.scala-sbt sbt 0.13.6 ...
additional information:
sbt --version
sbt launcher version 0.13.6
How could I fix it?
This is quite old post and my answer may not be completely relevant. But here is my experience:
So my solution is that you have to wait a bit.
try to use a fast maven mirror or run it behind a http/https proxy .