title: java.lang.NoClassDefFoundError: org/apache/spark/sql/SparkSession
body: <p>I have written a Spark Job in Java. When I submit the Job it gives below error:</p>
  
  <pre><code>Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/spark/sql/SparkSession
          at com.thinkbiganalytics.veon.util.SparkSessionBuilder.getOrCreateSparkSession(SparkSessionBuilder.java:12)
          at com.thinkbiganalytics.veon.AbstractSparkTransformation.initSparkSession(AbstractSparkTransformation.java:92)
          at com.thinkbiganalytics.veon.transformations.SDPServiceFeeDeductionSourceToEventStore.init(SDPServiceFeeDeductionSourceToEventStore.java:57)
          at com.thinkbiganalytics.veon.AbstractSparkTransformation.doTransform(AbstractSparkTransformation.java:51)
          at com.thinkbiganalytics.veon.transformations.SDPServiceFeeDeductionSourceToEventStore.main(SDPServiceFeeDeductionSourceToEventStore.java:51)
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
          at java.lang.reflect.Method.invoke(Method.java:498)
          at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:745)
          at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:181)
          at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:206)
          at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121)
          at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
  Caused by: java.lang.ClassNotFoundException: org.apache.spark.sql.SparkSession
          at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
          at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
          at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
  </code></pre>