Random 502 in POST request

[Robert.Kapala]

Looks like we have the same issue:

502 & Keepalive connection closed, AWS/CloudFront + classic LB + Kong (K8s)

How can I disable keepalive functionality in Kong? It’s not clear to me from the description whether this will solve your problem, but to your specific question, here’s how to disable the upstream keepalive — note however that this is likely to have a performance impact: https://docs.konghq.com/2.1.x/configuration/#upstream_keepalive_pool_size Depending on your upstream’s behavior, you may want to tune the other related options upstream_keepalive_max_requests and upstream_keepalive_idle_ti…

Did not found solution for it. Disabling keepalive feature on Kong did not help.