Mongrel Gem and Paperclip Plugin Problems

This problem occurred when setting up a site using mongrel along with the paperclip rails plugin. After about a week of normal operation we started having lots of problems with the automated image resizing required by the rails application.

It was running along and generating all the images just fine, then all of a sudden it stopped processing the ‘large’ images or made them blurry, and we started seeing the following in the application logs:

Paperclip::NotIdentifiedByImageMagickError: /folder/stream.####.# is not recognized by the 'indentify' command.

This is a very strange problem since the development environments work just fine and the developers were insistent that the server was the problem and not the code, as they usually do.
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