Remove bad exception handling!

Exception is the root of Ruby's exception hierarchy, so when you rescue Exception you rescue from everything, including subclasses such as SyntaxError, LoadError, and Interrupt etc which is a bad idea.

Fix: rescue from StandardError.

lib/tasks/paperclip.rake

@@ -46,7 +46,7 @@ namespace :paperclip do
           attachment = instance.send(name)
           begin
             attachment.reprocess!(*styles)
-          rescue Exception => e
+          rescue => e
             Paperclip::Task.log_error("exception while processing #{klass} ID #{instance.id}:")
             Paperclip::Task.log_error(" " + e.message + "\n")
           end