您的路径uri jar不可理解，请参见dependencyutils.scala\l136

/**
   * Download a file from the remote to a local temporary directory. If the input path points to
   * a local path, returns it with no operation.
   *
   * @param path A file path from where the files will be downloaded.
   * @param targetDir A temporary directory for which downloaded files.
   * @param sparkConf Spark configuration.
   * @param hadoopConf Hadoop configuration.
   * @param secMgr Spark security manager.
   * @return Path to the local file.
   */
  def downloadFile(
      path: String,
      targetDir: File,
      sparkConf: SparkConf,
      hadoopConf: Configuration,
      secMgr: SecurityManager): String = {
    require(path != null, "path cannot be null.")
    val uri = Utils.resolveURI(path)

    uri.getScheme match {
      case "file" | "local" => path
      case "http" | "https" | "ftp" if Utils.isTesting =>
        // This is only used for SparkSubmitSuite unit test. Instead of downloading file remotely,
        // return a dummy local path instead.
        val file = new File(uri.getPath)
        new File(targetDir, file.getName).toURI.toString
      case _ =>
        val fname = new Path(uri).getName()
        val localFile = Utils.doFetchFile(uri.toString(), targetDir, fname, sparkConf, secMgr,
          hadoopConf)
        localFile.toURI().toString()
    }
  }

在你的星星之火中，你可以像这样改变参数 --jars /fullpath/JavaKafkaWordCount.jar 而不是 --jars ~/software/JavaKafkaWordCount.jar