If you're getting the following error while using travis CI:
Downloading sbt launcher for 1.2.6:
221 From https://repo.scala-sbt.org/scalasbt/maven-releases/org/scala-sbt/sbt-launch/1.2.6/sbt-launch-1.2.6.jar
222 To /home/travis/.sbt/launchers/1.2.6/sbt-launch.jar
223Downloading sbt launcher 1.2.6 md5 hash:
224 From https://repo.scala-sbt.org/scalasbt/maven-releases/org/scala-sbt/sbt-launch/1.2.6/sbt-launch-1.2.6.jar.md5
225 To /home/travis/.sbt/launchers/1.2.6/sbt-launch.jar.md5
226cat: /home/travis/.sbt/launchers/1.2.6/sbt-launch.jar.md5: No such file or directory
227md5sum: 'standard input': no properly formatted MD5 checksum lines found
Add the following flags to the sbt command:
sbt -sbt-launch-repo https://repo1.maven.org/maven2 ++$TRAVIS_SCALA_VERSION test
#scala #travis-ci #java