By Alvin Alexander. Last updated: April 4, 2021
As a note to self, if you see this sbt error message with sbt 1.4.8, it’s a known issue:
java.lang.NoClassDefFoundError: org/fusesource/jansi/AnsiOutputStream
The short solution to the problem is to upgrade to sbt 1.4.9 or newer. The problem and solution are discussed in this Github sbt issue.
