How to set up logging level for Spark application in IntelliJ IDEA?

import org.apache.log4j.{Level, Logger}

object MySparkApp {

    def main(args: Array[String]): Unit = {
      Logger.getLogger("org.apache.spark").setLevel(Level.WARN)
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原文地址：https://www.cnblogs.com/cbugs/p/14105366.html