resque_util.rb

# do only retry if not yet retried 
def retry_failure
  (Resque::Failure.count-1).downto(0).each do |i|
    job = Resque::Failure.all(i, 1)
    puts job['queue'] 
    puts job['failed_at'] 
    puts "retried_at: #{job['retried_at'].present?}" 
    puts job['error'][0..512]
    if !job['retried_at'].present?
      puts "requeue: #{i}"
      Resque::Failure.requeue(i)
      Resque::Failure.remove(i)
    end  
  end
end