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Trying to insert message loaded from MimeMessage (as shown in gmail api example), some messages are passing fine, but some throws this:

 com.google.api.client.googleapis.json.GoogleJsonResponseException: 400 Bad Request <HTML> <HEAD> <TITLE>Bad Request</TITLE> </HEAD> <BODY BGCOLOR="#FFFFFF" TEXT="#000000"> <H1>Bad Request</H1> <H2>Error 400</H2> </BODY> </HTML> at com.google.api.client.googleapis.json.GoogleJsonResponseException.from(GoogleJsonResponseException.java:145) at com.google.api.client.googleapis.services.json.AbstractGoogleJsonClientRequest.newExceptionOnError(AbstractGoogleJsonClientRequest.java:113) at com.google.api.client.googleapis.services.json.AbstractGoogleJsonClientRequest.newExceptionOnError(AbstractGoogleJsonClientRequest.java:40) at com.google.api.client.googleapis.services.AbstractGoogleClientRequest$1.interceptResponse(AbstractGoogleClientRequest.java:312) at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:1049) at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:410) at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:343) at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:460)

The code is next:

 final ByteArrayOutputStream baos = new ByteArrayOutputStream(); mime.writeTo(baos); String encodedEmail = Base64.encodeBase64URLSafeString(baos.toByteArray()); tmpMail = new Message(); tmpMail.setRaw(encodedEmail); client.users().messages().insert(this.taskInfo.getTargetAccount(), tmpMail).execute();

Without any other information, what could be a possible reason for that error ?

Thanks.

UPD. Looks like messages larger than 10Mb are giving this error. Google guys, can you advise ? Thanks

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  • Are you sending this from a server? Commented Jul 30, 2014 at 17:58
  • Also, will you please post the code that sends this error? Commented Jul 30, 2014 at 17:59
  • @abalos I'm sending this from laptop , please see code in the edited post. Thanks Commented Jul 31, 2014 at 10:41

2 Answers 2

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Looks like what I have:-) A 35 MB limit is clearly documented here (https://developers.google.com/gmail/api/v1/reference/users/messages/insert, 4th line), not a problem for most because their existing e-mail systems limit email size to a somewhat smaller number.

final ByteArrayOutputStream output = new ByteArrayOutputStream(); message.writeTo(output); final String raw = Base64.encodeBase64URLSafeString(output.toByteArray()); if (raw.length() > 35000000) { System.err.println("Message too large, skipping"); } else { try { getGmailService() .users() .messages() .insert("me", new Message().setRaw(raw)).execute();
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2 Comments

Looks like there is a differences between someone who documented it and someone who coded a server side :)
Yes, also the GMail documentation (support.google.com/mail/answer/6584?hl=en) lists 25MB as the limit, that would be approximately 31 MB Base64 encoded
0

You need to use the media "/upload" method to send something that large. https://developers.google.com/gmail/api/guides/uploads

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How can be /upload used in GMail API Java SDK ? Thanks
In the GMail API Java explanation method insert page described that limitation is 35mb : developers.google.com/gmail/api/v1/reference/users/messages/… . Please advise.
The 35MB is the enforced limit, yes. The other, lower (10MB?) limit you're running into is an unpublished infrastructure limitation of the www.googleapis.com frontend when not using the /batch URL. I imagine that doc you're referring to is autogenerated and doesn't distinguish/detail this limitation. In general, if you're sending more than a couple MB best to use /upload as it's more efficient and supports other niceties, etc.
The document I'm referring is Gmail API java, with example of how to insert any message up to 35 mb and I don't think it's auto generated. There is no /upload functionality in the GMail Java API, how it can be used ? And, actually I'm confused, what should I use and why there is a limitation that doesn't documented for the insert / import method.
Sorry, I was wrong, the method insert (that I'm using) is doing /upload - this is what in the documentation for insert : "This method provides media upload functionality through two separate URIs. For more details, see the document on media upload. Upload URI, for media upload requests: POST googleapis.com/upload/gmail/v1/users/userId/messages Please advise.

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