I have uploaded 58 images to my new Piwigo gallery, photos.michaelprais.info, and no thumbnails were created. All the photos that I checked were accessible. I used the Upload Photos tab under Photos > Add. In the Batch Manager, I've selected all and individual photos and have selected Thumbnail Regenerate from the Actions menu, but only one thumbnail was generated. The photos are web-sized (about 600x400) JPEGs. The filenames are lowercase with underscores. I am using the default thumbnail and web-size configuration.

Piwigo version

        Piwigo 2.3.3
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Environment

        Operating system: Linux
        PHP: 5.2.17 (Show info) [2012-03-25 19:24:38]
        mysql: 5.0.92-log [2012-03-25 19:24:39]
        Graphics Library: External ImageMagick 5.5.6

Database

        58 photos (first photo added on Saturday 24 March 2012)
        1 album including 0 physical and 1 virtual (58 associations)
        0 tags (0 associations)
        2 users
        0 groups
        0 comments
        0 rates

The Forum "thumbnail*" tags note this problem from time to time but do not offer a solution. Any solutions for generating thumbnails?

mgp