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Editorial Team
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Asked: 2026-05-25T00:02:22+00:00

I updated a thumbnail size for my Photo model. Worked great on my local,

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I updated a thumbnail size for my Photo model.

Worked great on my local, and deployed it to production.

Unfortunately, even if I run reprocess on a specific Photo it still reprocesses to the old params.

If I check Photo.photo.styles it returns the correct new styles, but if I set that Photo to reprocess, it refuses to abide by the settings I applied.

How do I clear paperclip’s cache? If it isn’t paperclip that’s caching it, what possibly could be doing that?

I’m not using delayed_jobs to do this, but I have restarted that as well.

Any ideas?

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1 Answer

  1. Editorial Team

    The error was caused by my browser caching the old style. To resolve this, I went into the haml, and added a random URI:

    = image_tag @image.photo(:format) + "?" + rand(9999)

    A slight hackery as my application has turned off the default timestamped URI’s. Maybe that’s your problem as well. Equally, I also noticed that when I tried to run refresh on a large group of objects it would fail..

    Then what I did was posted this question:

    Can you identify the current dimensions of an image with Paperclip?

    And made a select statement where I found whichever photo wasn’t reprocessed yet, and to reprocess it. I was working with roughly 25,000 photo objects.

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