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Thumbnails not generating automatically in AEM Assets - Permanent "Processing" status

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Hi community,

I'm experiencing an issue with automatic thumbnail generation in AEM as a Cloud Service (author-p123456-e12345678.adobeaemcloud.com).

Problem: When I upload images to /content/dam/folder/, thumbnails are not being generated automatically. I've noticed that:

  1. Images remain in "Processing" status for hours (or indefinitely)
  2. Thumbnails like cq5dam.thumbnail.48.48.png are not available
  3. When trying to access the thumbnail URL, I get a 404 error or the image doesn't exist
  4. The original image is available and can be downloaded

URLs I'm trying to access:

 
 
https://author-p124567-e123456789.adobeaemcloud.com/api/assets/folder/image.png/renditions/cq5dam.thumbnail.48.48.png

Questions:

  1. Is it normal for images to remain in "Processing" status for such a long time?
  2. Is there any configuration or workflow that I need to activate for thumbnails to be generated automatically upon asset upload?
  3. Is there a way to force thumbnail regeneration for assets that have already been uploaded?
  4. Could this be a permissions or workflow configuration issue in my AEM Cloud instance?

Additional information:

  • I'm using the AEM Assets API to query assets
  • I have access through OAuth with valid credentials
  • I can list and access original assets without issues
  • The issue occurs with all images (PNG, JPG)

Has anyone experienced this problem or know how to solve it?

I appreciate any guidance.

Thanks

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