Spark程序编译报错：
[INFO] Compiling 2 source files to E:\Develop\IDEAWorkspace\spark\target\classes at 1567004370534
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCount.scala:3: error: object apache is not a member of package org
[ERROR] import org.apache.spark.rdd.RDD
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCount.scala:4: error: object apache is not a member of package org
[ERROR] import org.apache.spark.{SparkConf, SparkContext}
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCount.scala:12: error: not found: type SparkConf
[ERROR] val sparkConf: SparkConf = new SparkConf().setAppName("WordCount").setMaster("local[2]")
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCount.scala:12: error: not found: type SparkConf
[ERROR] val sparkConf: SparkConf = new SparkConf().setAppName("WordCount").setMaster("local[2]")
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCount.scala:14: error: not found: type SparkContext
[ERROR] val sc: SparkContext = new SparkContext(sparkConf)
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCount.scala:14: error: not found: type SparkContext
[ERROR] val sc: SparkContext = new SparkContext(sparkConf)
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCount.scala:18: error: not found: type RDD
[ERROR] val data: RDD[String] = sc.textFile("E:\\Study\\BigData\\heima\\stage5\\2spark����\\words.txt")
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCount.scala:20: error: not found: type RDD
[ERROR] val words: RDD[String] = data.flatMap(_.split(" "))
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCount.scala:22: error: not found: type RDD
[ERROR] val wordToOne: RDD[(String, Int)] = words.map((_,1))
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCount.scala:24: error: not found: type RDD
[ERROR] val result: RDD[(String, Int)] = wordToOne.reduceByKey(_+_)
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCount.scala:27: error: not found: type RDD
[ERROR] val ascResult: RDD[(String, Int)] = result.sortBy(_._2,false) //����
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCountCluster.scala:3: error: object apache is not a member of package org
[ERROR] import org.apache.spark.{SparkConf, SparkContext}
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCountCluster.scala:4: error: object apache is not a member of package org
[ERROR] import org.apache.spark.rdd.RDD
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCountCluster.scala:12: error: not found: type SparkConf
[ERROR] val sparkConf: SparkConf = new SparkConf().setAppName("WordCountCluster")
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCountCluster.scala:12: error: not found: type SparkConf
[ERROR] val sparkConf: SparkConf = new SparkConf().setAppName("WordCountCluster")
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCountCluster.scala:14: error: not found: type SparkContext
[ERROR] val sc: SparkContext = new SparkContext(sparkConf)
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCountCluster.scala:14: error: not found: type SparkContext
[ERROR] val sc: SparkContext = new SparkContext(sparkConf)
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCountCluster.scala:18: error: not found: type RDD
[ERROR] val data: RDD[String] = sc.textFile(args(0))
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCountCluster.scala:20: error: not found: type RDD
[ERROR] val words: RDD[String] = data.flatMap(_.split(" "))
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCountCluster.scala:22: error: not found: type RDD
[ERROR] val wordToOne: RDD[(String, Int)] = words.map((_,1))
[ERROR] ^
[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCountCluster.scala:24: error: not found: type RDD
[ERROR] val result: RDD[(String, Int)] = wordToOne.reduceByKey(_+_)
[ERROR] ^
[ERROR] 21 errors found
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
原因：
解决方法：