Gmail API 返回状态代码 400,错误“邮件服务未启用”

问题描述 投票:0回答:1

我最近开始从 gmail API 看到以下错误:

{
  "code" : 400,
  "errors" : [ {
    "domain" : "global",
    "message" : "Mail service not enabled",
    "reason" : "failedPrecondition"
  } ],
  "message" : "Mail service not enabled"
}

我测试过的每个 gmail api 调用都会导致错误,但以下代码显示了一个正常的示例:

public static List<String> getThreadIdsFromRFC822MessageIds(Collection<String> messageIds, User u) throws IOException, NoOauthCredentialsException {
    List<String> queryTerms = new ArrayList<>();
    for (String messageId: messageIds) {
        queryTerms.add("rfc822msgid:" + messageId);
    }
    String queryString = Joiner.on(" OR ").join(queryTerms);
    String fieldSelectionString = "messages/threadId";

    ListMessagesResponse messages = executeMessageQuery(u, queryString, fieldSelectionString);
    List<String> threadIds = new ArrayList<>();
    if (messages.getMessages() != null) {
        for (Message m : messages.getMessages()) {
            threadIds.add(m.getThreadId());
        }
    }
    return threadIds;
}

private static ListMessagesResponse executeMessageQuery(User u, String queryString, String fieldSelectionString) throws IOException, NoOauthCredentialsException {
    assert fieldSelectionString.length() > 0;
    Gmail g = GmailAPIHelper.getGmailService(u);
    Gmail.Users.Messages.List query = g.users().messages().list("me").setQ(queryString).setFields(fieldSelectionString);
    ListMessagesResponse messages = executeAndLog(query, u);
    return messages;
}

executeAndLog 在 Gmail.Users.Messages.List 对象上调用 .execute。

此错误仅影响我的极少数用户,并且错误消息表明这是权限问题。我希望要求我的用户重新授权可以解决该问题,但我担心当出现权限问题时,我会收到此错误消息,而不是更常见的 401。有人见过这个错误吗?

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