Participating Frequently

Question

Mimetype change from application/vnd.adobe.illustrator to application/pdf if more then 10 artboards

Forum|Forum|2 years ago
August 11, 2023
1 reply
2215 views

Hi, there's a strange behavior regarding mimetype when saving an .ai file with more then 10 artboards.

Checking the mimetype using exiftool, if the .ai has more then 10 artboards, its mimetype is application/pdf. If there are fewer artboards, its mimetype is application/vnd.adobe.illustrator. This data is used later in an internal flow, so it is important that the mimetype is consistent.

The file is saved in a local folder, and it can be replicated by just creating a new document from scratch. I've tried to save it with or without 'toPdf' conversion but nothing changed.

AI version: 27.8

Replicated either on Mac and Window machine.

I've attached the screenshot of the log for either mimetype. Adding or removing the last artboard you could replicate the behavior.

It's a bug or some kind of internal limit regarding how AI file are saved?

Thank you

Bug

This topic has been closed for replies.

Anubhav M

Community Manager

Hello @Davide5EC7,

Sorry for the delayed response. I hope the problem is resolved by now. If not, kindly share more details, like the exact version of the OS/Illustrator, system config (CPU/GPU/Memory), and sample files (https://community.adobe.com/t5/illustrator-discussions/share-your-files-in-6-simple-steps/td-p/12967531), so we can investigate this further?

Looking forward to hearing from you.

Thanks,

Anubhav

D

Davide5EC7Author

Participating Frequently

Hi, the problem is already here.

I’ve prepared some data, 10_artboard.ai, and 11_artboard.ai with 10 and 11 artboards inside, and the screenshot of the metadata of those 2 files.

https://shared-assets.adobe.com/link/5dd96ee4-9d0a-406f-4e85-d71163acf870

From your shell use the command

exiftool <filename>

And check the result.

10_artboard.ai (correct file)

File type: AI
File type Extension: ai
MIME Type: application/vsn.adobe.illustrator
XMP Toolkit: Adobe XMP Core 9.1
Format: application/pdf

11_artboard.ai (incoherent metadata)

File type: PDF
File type Extension: pdf
MIME Type: application/pdf
PDF version: 1.6
XMP Toolkit: Adobe XMP Core 9.1
Format: Application/pdf

Both of this are generated From Adobe Illustrator 27.8 (I've tried also on 27.7) and have the same error.

I’ve tried it on Mac OS with the following configuration:

Montrey (12.2) with exiftool 12
Big Sur (11.4 ) with exiftool 11
Ventura (13.5) with exiftool 12.4

We’ve done also a test on a Window machine, but the result was the same (I don’t have the machine specification)

Anubhav M

Community Manager

Hello @Davide5EC7,

Thanks for sharing the sample files and details about the problem. Kindly allow me some time to check this with the team.

Thanks,
Anubhav

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