root

 src

    main

      resources

        setup.xml

root

 [...]

 setup.xml

// by path
val filePath = getClass.getResource("/setup.xml").getPath
val currentPath = Paths.get(filePath)
val parsed = XML.loadFile(currentPath.toString)

// by URI
val filePath = getClass.getResource("/setup.xml").toURI
val currentPath = Paths.get(filePath)
val parsed = XML.loadFile(currentPath.toString)

// with classloader
val filePath = getClass.getClassLoader.getResource("setup.xml").toURI
val currentPath = Paths.get(filePath)
val parsed = XML.loadFile(currentPath.toString)

val source = Source.fromURL(getClass.getResource("/setup.xml"))
val parsed = XML.loadString(source.getLines().mkString)