personal solutions to big data problem scenarios using scala

1. When running applications if below error occurs: A master URL must be set in your configuration

   Exception in thread "main" java.lang.ExceptionInInitializerError
       at com.jwk.development.big_data_insights.scala.products.driver.problem_scenario_1.main(problem_scenario_1.scala)
   Caused by: org.apache.spark.SparkException: A master URL must be set in your configuration
   

   Solution:

   Add the following VM option to your run configurations

   -Dspark.master=local    
   

   How to set spark master to local in intellij