Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/spark/sql/SparkSession$ : Redis Client - apache-spark

Question

I am using redis client for storing my constants for a project but when I am reading executing the following command and using this into sparksession. Can any body help me out in this. its a maven project
and I am using the following maven dependency
val sparkSession=SparkSession.builder.appName(getAppName).enableHiveSupport().getOrCreate()
sparkSession
val r = new RedisClient("localhost", 6379)
def getAppName:String={
val a=r.get("xyz")
val v=new String(a.get)
logger.info("******** xyz ************"+ v)
v
}
I am getting following error:
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/spark/sql/SparkSession$
at com.hpe.cdp.common.SparkCommon$.createSparkSession(abc.scala:14)
at com.hpe.cdp.common.SparkCommon$.readHiveDataDelta(abc.scala:20)
at com.hpe.cdp.common.CdpEapObjectCall$.saveDataCsvHiveDelta(def.scala:16)
at com.hpe.cdp.CdpEapObject$.main(def.scala:16)
at com.hpe.cdp.CdpEapObject.main(def.scala)
Caused by: java.lang.ClassNotFoundException: org.apache.spark.sql.SparkSession$
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
... 5 more
<!-- https://mvnrepository.com/artifact/org.redis/scala-redis -->
<dependency>
<groupId>org.redis</groupId>
<artifactId>scala-redis_2.11</artifactId>
<version>0.0.13</version>
</dependency>