Added temporary workaround for issue #2343 - Lost DB connection causes jobs to not be processed anymore.

config/initializers/delayed_jobs_verify_db_connection.rb

@@ -0,0 +1,10 @@
+require 'delayed_job'
+
+module Delayed
+  class Job < ::ActiveRecord::Base
+
+    def self.recover_from(_error)
+      ::ActiveRecord::Base.connection.verify!
+    end
+  end
+end