Exception in thread “main” org.apache.spark.SparkException: Only one SparkContext may be running in this JVM (see SPARK-2243)

Question

i am getting an error when i am trying to run a spark application with cassandra.

Exception in thread \"main\" org.apache.spark.SparkException: Only one Spar         


        

Answer 1

Take a look at the second code snippet here enter link description here

This is how your code should look like

import org.apache.spark.streaming.api.java.*;

JavaSparkContext existingSparkContext = ...   //existing JavaSparkContext
JavaStreamingContext activitySummaryScheduler = new JavaStreamingContext(existingSparkContext, Durations.seconds(1000));