GMail API:无法在草稿中添加附件 [英] GMail API : unable to add an attachment in a draft

问题描述

我能够使用GMail API创建简单的仅html草稿.

I am able to create simple html-only drafts using the GMail API.

但是当我尝试上传附件时，它失败并显示以下错误:

But when I try to upload attachments it fails with the following error :

{
  "code" : 500,
  "errors" : [ {
    "domain" : "global",
    "message" : "Backend Error",
    "reason" : "backendError"
  } ],
  "message" : "Backend Error"
}

这是我的代码，有人可以帮助我吗?

Here is my code, can anyone help me ?

        Properties props = new Properties();
        Session session = Session.getDefaultInstance(props, null);

        MimeMessage email = new MimeMessage(session);
        InternetAddress tAddress = new InternetAddress("[e-mail]");
        InternetAddress fAddress = new InternetAddress("[e-mail]");

        email.setFrom(fAddress);
        email.addRecipient(javax.mail.Message.RecipientType.TO, tAddress);
        email.setSubject("subject");

        MimeBodyPart mimeBodyPart = new MimeBodyPart();
        mimeBodyPart.setContent("thebody", "text/plain");
        mimeBodyPart.setHeader("Content-Type", "text/plain; charset=\"UTF-8\"");

        Multipart multipart = new MimeMultipart();
        multipart.addBodyPart(mimeBodyPart);

        mimeBodyPart = new MimeBodyPart();
        DataSource source = new FileDataSource("C:\\Users\\David\\Downloads\\test.pdf");

        mimeBodyPart.setDataHandler(new DataHandler(source));
        mimeBodyPart.setFileName("thepdf.pdf");
        String contentType = "application/pdf";
        mimeBodyPart.setHeader("Content-Type", contentType + "; name=\"" + "test.pdf" + "\"");
        mimeBodyPart.setHeader("Content-Transfer-Encoding", "base64");

        multipart.addBodyPart(mimeBodyPart);

        email.setContent(multipart);
        email.writeTo(System.out);

        ByteArrayOutputStream bytes = new ByteArrayOutputStream();
        email.writeTo(bytes);
        String encodedEmail = Base64.encodeBase64URLSafeString(bytes.toByteArray());
        Message message = new Message();
        message.setRaw(encodedEmail);

        Draft draft = new Draft();
        draft.setMessage(message);
        draft = new Gmail(new NetHttpTransport(), new JacksonFactory(), getCredential()).users().drafts().create("me", draft).execute();

推荐答案

第二天自行解决问题！我不知道GMail API团队是否修复了某些问题，或者这是否是临时错误.

Problem solved by itself the next day ! I don't know if the GMail API team fixed something or if it was a temporary bug.

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