Scala Spark-Streaming with Kafka Integration program does not show output

%spark2
import org.apache.kafka.clients.consumer.ConsumerRecord
import org.apache.kafka.common.serialization.StringDeserializer
import org.apache.spark.streaming.kafka010._
import org.apache.spark.streaming.kafka010.LocationStrategies.PreferConsistent
import org.apache.spark.streaming.kafka010.ConsumerStrategies.Subscribe
import org.apache.spark.streaming._
sc.setLogLevel("ERROR")  // prevent INFO logging from polluting output
val ssc =  StreamingContext.getActiveOrCreate(() => new StreamingContext(sc, Seconds(5)))    // creating the StreamingContext with 5 seconds interval
val kafkaParams = Map[String, Object](
  "bootstrap.servers" -> "vrxhdpkfknod.eastus.cloudapp.azure.com:6667",
  "key.deserializer" -> classOf[StringDeserializer],
  "value.deserializer" -> classOf[StringDeserializer],
  "group.id" -> "kafka-streaming-example",
  "auto.offset.reset" -> "earliest",
  "enable.auto.commit" -> (false: java.lang.Boolean)
)
val topics = Array("spark-streaming")
val messages = KafkaUtils.createDirectStream[String, String](
  ssc,
  PreferConsistent,
  Subscribe[String, String](topics, kafkaParams)
)
messages.foreachRDD { rdd =>
      System.out.println("--- New RDD with " + rdd.partitions.size + " partitions and " + rdd.count + " records")
      rdd.foreach { record =>
        System.out.print(record.value())
      }
    }
ssc.start()

import org.apache.kafka.clients.consumer.ConsumerRecord
import org.apache.kafka.common.serialization.StringDeserializer
import org.apache.spark.streaming.kafka010._ import org.apache.spark.streaming.kafka010.LocationStrategies.PreferConsistent
import org.apache.spark.streaming.kafka010.ConsumerStrategies.Subscribe
import org.apache.spark.streaming._

ssc: org.apache.spark.streaming.StreamingContext = org.apache.spark.streaming.StreamingContext@377213ce
kafkaParams: scala.collection.immutable.Map[String,Object] = Map(key.deserializer -> class org.apache.kafka.common.serialization.StringDeserializer, auto.offset.reset -> earliest, group.id -> kafka-streaming-example, bootstrap.servers -> vrxhdpkfknod.eastus.cloudapp.azure.com:6667, enable.auto.commit -> false, value.deserializer -> class org.apache.kafka.common.serialization.StringDeserializer)
topics: Array[String] = Array(spark-streaming)
messages: org.apache.spark.streaming.dstream.InputDStream[org.apache.kafka.clients.consumer.ConsumerRecord[String,String]] = org.apache.spark.streaming.kafka010.DirectKafkaInputDStream@328d6f9a