1,ClassNotFound
By Project Structure changed the main sources
2, has been suggested is an Object
Src by Project Structure and the main sources instead
3, suggesting NoSourcesFind
spark Scala version of sync Tell me what network version dependency
4, IDEA running, running tips apply not find ClassNotFoundException: Scala.App $$ anonfun $ 1. Jar package will be submitted to the cluster prompt main () is not static
.setJars (List (jar package currently running project storage directory))