Not able to upload some images. Error: "The file is not a valid image."

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#110790 Not able to upload some images. Error: "The file is not a valid image."

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Latest post by pwouda on Monday, 11 April 2022 14:20 BST

Thursday, 07 April 2022 10:41 BST

pwouda

Hi there,

Since this week we have problems with uploading some images via JC Filebrowser. We get the error "The file is not a valid image." We tried all kinds of preferences (chekc MIME type etc), but these images still give problems.

Thanks,
Peter

Attachments

Thursday, 07 April 2022 16:15 BST

Ryan

Are you able to upload these specific images with the Joomla Media Manager?

Ryan Demmer

Lead Developer / CEO / CTO

Just because you're not paranoid doesn't mean everybody isn't out to get you.

Edited by Ryan on 2022-04-07 16:15 BST

Friday, 08 April 2022 08:38 BST

pwouda

I have to disable the "Restrict Uploads" in the Media Options, then uploads work in the Media Manager, but no thumbnail is made in the directory-listing (see screenshot in attachment).
And even with "restrict Uploads" disabled, I get the error in JC Editor uploads.

Strange, because when I use FTP to upload the images, the thumbnail is made in the Media Manager, so the image looks ok

Attachments

Friday, 08 April 2022 10:55 BST

Ryan

I have to disable the "Restrict Uploads" in the Media Options, then uploads work in the Media Manager, but no thumbnail is made in the directory-listing

This does suggest a problem with the image(s). I would suggest opening them in an Image Editor application an resaving them.

And even with "restrict Uploads" disabled, I get the error in JC Editor uploads.

JCE does not use the Joomla options, and this part of the image validation performed by JCE on upload cannot be bypassed.

Ryan Demmer

Lead Developer / CEO / CTO

Just because you're not paranoid doesn't mean everybody isn't out to get you.

Friday, 08 April 2022 11:02 BST

pwouda

Hi Ryan,

I thought of that too, and opened the image in Adobe Photoshop. Did some small editing, and resaved them. Without any result.

The strange situation is that the same image can be uploaded on other websites that I made, that are on the same webserver. It looks like a specific problem for only one of my websites since some days.

Friday, 08 April 2022 17:22 BST

pwouda

It looks like php thinks it is a text/html mime-type while the browser has the right mime/type image/jpeg

Attachments

Monday, 11 April 2022 13:46 BST

Ryan

The strange situation is that the same image can be uploaded on other websites that I made, that are on the same webserver. It looks like a specific problem for only one of my websites since some days.

Do you have any extensions installed on this site that are not on the others? Something may be processing the image on upload which is causing the issue.

Ryan Demmer

Lead Developer / CEO / CTO

Just because you're not paranoid doesn't mean everybody isn't out to get you.

Monday, 11 April 2022 14:20 BST

pwouda

Thanks Ryan, you made my day! The problem was the plugin Easy Image Resizer by Kubik Rubik. Disabeling this plugin made uploads possible again.

Best regards,
Peter