ActionController::UnknownFormat about prawn-rails HOT 7 CLOSED

Do you have a respond_to statement in your controller? If so it has to allow :pdf.

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@bhushangahire did you try something like this?:

# config/mime_types.rb
Mime::Type.register "application/pdf", :pdf

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This gem already registers that mime type. So you should not have to register it yourself.

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Ah, cool -- thanks!

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Not sure what I did. But I guess we can close this.

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You have to restart the server upon serving your first prawn... for some reason.

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@costa this because it registers a new controller renderer for pdf.prawn files. You have to restart your server to get this installed. You should always be restarting your server after installing new gems amongst many other tasks.

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