sbt：找到资源目录下文件/文件夹的正确路径

我有一个简单的项目结构：

WordCount
|
| ------------ project
| ---------------- | --- assembly.sbt
|
| ------------ resources
| ------------------ | ------ Message.txt
|
| ------------ src
| -------------- | --- main
| --------------- ----- | --- scala
| -------------------------- | --- org
| ------- ------------------------ | --- apache
| -------------------- -------------------- | --- spark
| ------------------------ ---------------------- | --- Counter.scala
|
| ------------ build.sbt

这是Counter.scala看起来如何：

package org.apache.spark

object Counter {

def main(args: Array[String]): Unit = {
    val sc = new SparkContext(new SparkConf())
    val path: String = getClass.getClassLoader.getResource("Message.txt").getPath
    println(s"path = $path")

// val lines = sc.textFile(path)
// val wordsCount = lines
// .flatMap(line => line.split("\s", 2))
// .map(word => (word, 1))
// .reduceByKey(_ + _)
//
// wordsCount.foreach(println)

}

}
请注意，注释行实际上是正确的，但path变量不是。在构建fat jar sbt assembly并运行它之后spark-submit，为了看到它的价值path，我得到：
path = file:/home/me/WordCount/target/scala-2.11/Counter-assembly-0.1.jar!/Message.txt
你可以看到它path被分配到jar位置，然后是文件名Message.txt！
另一方面，当我在WordCount文件夹中时，我运行repl sbt console然后写

scala> getClass.getClassLoader.getResource("Message.txt").getPath
我得到正确的路径（没有file:/前缀）

res1: String = /home/me/WordCount/target/scala-2.11/classes/Message.txt
问题：
1 - 为什么同一命令有两个不同的输出？（即getClass.getClassLoader.getResource("...").getPath）
2 - 如何在源文件中使用控制台中出现的正确路径Counter.scala？

对于任何想要尝试它的人来说，这是我的build.sbt：
name := "Counter"

version := "0.1"

scalaVersion := "2.11.8"

resourceDirectory in Compile := baseDirectory.value / "resources"

// allows us to include spark packages
resolvers += "bintray-spark-packages" at "https://dl.bintray.com/spark-packages/maven/"
resolvers += "Typesafe Simple Repository" at "http://repo.typesafe.com/typesafe/simple/maven-releases/"
resolvers += "MavenRepository" at "https://mvnrepository.com/"

libraryDependencies += "org.apache.spark" %% "spark-core" % "2.4.0" % "provided"
并且spark-submit命令是：

spark-submit --master local --deploy-mode client --class org.apache.spark.Counter /home/me/WordCount/target/scala-2.11/Counter-assembly-0.1.jar