unclean checkin

Author: Abul Basar

pom.xml

@@ -9,7 +9,7 @@
  <version>0.1</version>
 
  <properties>
- <sparkVersion>2.2.1</sparkVersion>
+ <sparkVersion>2.4.4</sparkVersion>
  <scalaVersion>2.11</scalaVersion>
  <maven.compiler.source>1.8</maven.compiler.source>
  <maven.compiler.target>1.8</maven.compiler.target>