java - Error initialising spark context. Could not load yarn support

Question

I was running a spark application in intellij and have set up all the environment variables. But I am getting below error.please assist

18/04/06 00:12:11 ERROR SparkContext: Error initializing SparkContext.
org.apache.spark.SparkException: Unable to load YARN support
at org.apache.spark.deploy.SparkHadoopUtil$.liftedTree1$1(SparkHadoopUtil.scala:390)
at org.apache.spark.deploy.SparkHadoopUtil$.yarn$lzycompute(SparkHadoopUtil.scala:385)
at org.apache.spark.deploy.SparkHadoopUtil$.yarn(SparkHadoopUtil.scala:385)
at org.apache.spark.deploy.SparkHadoopUtil$.get(SparkHadoopUtil.scala:410)
at org.apache.spark.util.Utils$.getSparkOrYarnConfig(Utils.scala:2330)
at org.apache.spark.storage.BlockManager.(BlockManager.scala:107)

Caused by: java.lang.ClassNotFoundException: org.apache.spark.deploy.yarn.YarnSparkHadoopUtil
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method).```

Answer 1

等待大神解答