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I am using rails 3.1rc4 with paperclip and i cannot upload any image file with. I keep getting this error
Image D:/Users/MOBILE/AppData/Local/Temp/stream20110612-3872-y7hmme-0.jpg is not recognized by the 'identify' command. I have imagemagic installed. But it works in <= rails 3.0.8rc4.

Uchenna
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2 Answers2

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I'm on Mac and I had the exact same problem after I updated to Mac OS Lion, in order to fix this error I had to reinstall imagemagick

This might help other Mac OS Lion users:

First make sure to download the latest XCode from the app store (4.1 atm I believe, it's free)

Using Homebrew:

brew uninstall imagemagick
brew update

if you get any errors, clean up files ending in .a or .la with "brew doctor", then just do

brew install imagemagick

If you are using MacPorts do:

port uninstall imagemagick
port selfupdate
port install imagemagick
Glorfindel
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jassa
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I am not sure if this will adress your specific issue but I found this and maybe its related:

https://github.com/thoughtbot/paperclip/issues/481

It states: The paperclip:refresh:metadata rake task fails with Rails 3.1 as ActiveRecord no longer supports instance.save(false) - you must now use instance.save(:validate => false) instead.

chell
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