I'm running Nifi in ECS with an ALB. Everything is up and seems normal except there are intermittent 502 errors that pop up in the Nifi ui that look like this   It seems that the source of the 502 is the load balancer but since it's intermittent it seems like an interaction between the load balancer and Nifi that is causing this behavior. I've tried messing with the following settings so that the idle timeout (60 seconds) on the ALB is lower nifi.web.request.timeout nifi.remote.input.http.transaction.ttl I've also made sure the nifi.web.proxy.host configuration is set the hostname that I'm using to hit the loadbalancer.   Has anyone else experienced something similar getting a load balancer in front of Nifi? ... View more