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无法找到将文件从HDFS附加到电子邮件MimeBodyPart的方式。 这是我迄今的尝试。我试图使用FileDataSource和URLDataSource,但没有运气。将文件从HDFS附加到javax.mail电子邮件
val attachmentPart = new MimeBodyPart()
val filePath = "FILE_PATH"
val fileName = s"FILE_NAME_${date}.html"
val fs = FileSystem.get(sctx.hadoopConfiguration)
val fullURL = fs.getFileStatus(new Path(filePath+fileName)).getPath.toUri.toURL
//val fullFilePath = fs.getFileStatus(new Path(filePath+fileName)).getPath.toString
val source = new URLDataSource(fullURL)
//val source = new FileDataSource(fullFilePath)
attachmentPart.setDataHandler(new DataHandler(source))
attachmentPart.setFileName("file name")
我得到的一个URLDataSource的情况下,出现以下错误:
Exception in thread "main" java.net.MalformedURLException: unknown protocol: hdfs
尝试注册Hadoop的FsUrlStreamHandlerFactory处理 '进口org.apache.hadoop.fs.FsUrlStreamHandlerFactory URL.setURLStreamHandlerFactory(新FsUrlStreamHandlerFactory())' –