sudo hostname -s 127.0.0.1 export SPARK_LOCAL_IP="127.0.0.1" sbt -java-home /Library/Java/JavaVirtualMachines/jdk1.8.0_171.jdk/Contents/Home
sudo hostname -s 127.0.0.1 export SPARK_LOCAL_IP="127.0.0.1" sbt -java-home /Library/Java/JavaVirtualMachines/jdk1.8.0_171.jdk/Contents/Home