Sidekiq "silence_errors_during_retries".

config__initializers__exceptions.rb

# Intended for silent Sidekiq retries: https://www.mikeperham.com/2017/09/29/retries-and-exceptions/
class Exception
  attr_accessor :ignore_in_error_reporting
end

config__initializers__sidekiq.rb

# Workers with `sidekiq_options(silence_errors_during_retries: [ Some, Errors ])` will retry silently on those errors, without reporting the errors to Honeybadger.
# If the job runs out of retries, the error will be reported then – see `death_handlers` below.
#
# Read more: https://www.mikeperham.com/2017/09/29/retries-and-exceptions/
class SidekiqServerMiddlewareSilenceErrorsDuringRetries
  def call(worker, _msg, _queue)
    errors_to_silence = worker.class.get_sidekiq_options["silence_errors_during_retries"] || []

    # Capture most errors if set to true
    errors_to_silence = [ StandardError ] if errors_to_silence == true

    return yield if errors_to_silence.empty?

    begin
      yield
    rescue *errors_to_silence => ex
      ex.ignore_in_error_reporting = true
      raise ex
    end
  end
end

Sidekiq.configure_server do |config|
  config.server_middleware do |chain|
    chain.add SidekiqServerMiddlewareSilenceErrorsDuringRetries
  end

  # For some jobs, we silently retry without reporting certain errors, such as network errors.
  # But we do want to report those errors when all retries are exhausted, so we don't miss them entirely.
  #
  # Read more:
  # * https://www.mikeperham.com/2017/09/29/retries-and-exceptions/
  # * https://github.com/mperham/sidekiq/wiki/Error-Handling#death-notification
  config.death_handlers << ->(job, ex) do
    # Change this value so that the error handling can then report it.
    ex.ignore_in_error_reporting = false
  end
end